Team Pitching Stats
2010 - American League
| 2010 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.58 | 81 | 81 | 0.500 | 7 | 17 | 38 | 1431.7 | 1315 | 153 | 512 | 1070 | 8.27 | 3.22 | 6.73 |
| TBD | 3.78 | 96 | 66 | 0.593 | 6 | 12 | 51 | 1453.7 | 1347 | 175 | 478 | 1189 | 8.34 | 2.96 | 7.36 |
| TEX | 3.93 | 90 | 72 | 0.556 | 7 | 8 | 46 | 1455.3 | 1355 | 162 | 551 | 1181 | 8.38 | 3.41 | 7.30 |
| MIN | 3.95 | 94 | 68 | 0.580 | 9 | 13 | 40 | 1452.7 | 1493 | 155 | 383 | 1048 | 9.25 | 2.37 | 6.49 |
| SEA | 3.95 | 61 | 101 | 0.377 | 11 | 10 | 38 | 1438.0 | 1402 | 157 | 452 | 973 | 8.77 | 2.83 | 6.09 |
| ANA | 4.04 | 80 | 82 | 0.494 | 10 | 9 | 39 | 1449.3 | 1422 | 148 | 565 | 1130 | 8.83 | 3.51 | 7.02 |
| NYY | 4.06 | 95 | 67 | 0.586 | 3 | 8 | 39 | 1442.3 | 1349 | 179 | 540 | 1154 | 8.42 | 3.37 | 7.20 |
| CHW | 4.09 | 88 | 74 | 0.543 | 6 | 11 | 43 | 1446.3 | 1471 | 136 | 490 | 1149 | 9.15 | 3.05 | 7.15 |
| BOS | 4.20 | 89 | 73 | 0.549 | 3 | 9 | 44 | 1456.7 | 1402 | 152 | 580 | 1207 | 8.66 | 3.58 | 7.46 |
| TOR | 4.23 | 85 | 77 | 0.525 | 5 | 11 | 45 | 1440.7 | 1407 | 150 | 539 | 1184 | 8.79 | 3.37 | 7.40 |
| CLE | 4.30 | 69 | 93 | 0.426 | 10 | 4 | 34 | 1433.0 | 1477 | 147 | 572 | 967 | 9.28 | 3.59 | 6.07 |
| DET | 4.30 | 81 | 81 | 0.500 | 6 | 5 | 32 | 1444.3 | 1445 | 142 | 537 | 1056 | 9.00 | 3.35 | 6.58 |
| BAL | 4.59 | 66 | 96 | 0.407 | 3 | 7 | 35 | 1436.3 | 1508 | 186 | 520 | 1007 | 9.45 | 3.26 | 6.31 |
| KCR | 4.97 | 67 | 95 | 0.414 | 7 | 3 | 44 | 1436.7 | 1553 | 176 | 551 | 1035 | 9.73 | 3.45 | 6.48 |
2010 - National League
| 2010 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.36 | 92 | 70 | 0.568 | 6 | 17 | 57 | 1461.0 | 1279 | 134 | 578 | 1331 | 7.88 | 3.56 | 8.20 |
| SDP | 3.41 | 90 | 72 | 0.556 | 2 | 20 | 49 | 1456.3 | 1305 | 139 | 517 | 1295 | 8.06 | 3.20 | 8.00 |
| ATL | 3.57 | 91 | 71 | 0.562 | 2 | 9 | 41 | 1439.3 | 1326 | 126 | 505 | 1241 | 8.29 | 3.16 | 7.76 |
| STL | 3.57 | 86 | 76 | 0.531 | 7 | 16 | 32 | 1453.7 | 1412 | 133 | 477 | 1094 | 8.74 | 2.95 | 6.77 |
| PHI | 3.68 | 97 | 65 | 0.599 | 14 | 21 | 40 | 1456.3 | 1402 | 168 | 416 | 1183 | 8.66 | 2.57 | 7.31 |
| NYM | 3.73 | 79 | 83 | 0.488 | 8 | 19 | 36 | 1453.0 | 1438 | 135 | 545 | 1106 | 8.91 | 3.38 | 6.85 |
| LAD | 4.01 | 80 | 82 | 0.494 | 4 | 16 | 41 | 1441.7 | 1323 | 134 | 539 | 1274 | 8.26 | 3.36 | 7.95 |
| CIN | 4.02 | 91 | 71 | 0.562 | 4 | 9 | 43 | 1453.0 | 1404 | 158 | 524 | 1130 | 8.70 | 3.25 | 7.00 |
| FLA | 4.09 | 80 | 82 | 0.494 | 5 | 17 | 39 | 1438.3 | 1433 | 134 | 549 | 1168 | 8.97 | 3.44 | 7.31 |
| HOU | 4.09 | 76 | 86 | 0.469 | 4 | 11 | 45 | 1439.3 | 1446 | 140 | 548 | 1210 | 9.04 | 3.43 | 7.57 |
| WSN | 4.13 | 69 | 93 | 0.426 | 2 | 5 | 37 | 1435.0 | 1469 | 151 | 512 | 1068 | 9.21 | 3.21 | 6.70 |
| COL | 4.14 | 83 | 79 | 0.512 | 6 | 12 | 35 | 1442.0 | 1405 | 139 | 525 | 1234 | 8.77 | 3.28 | 7.70 |
| CHC | 4.24 | 75 | 87 | 0.463 | 1 | 14 | 40 | 1436.7 | 1409 | 154 | 605 | 1268 | 8.83 | 3.79 | 7.94 |
| MIL | 4.59 | 77 | 85 | 0.475 | 3 | 7 | 35 | 1439.0 | 1487 | 173 | 582 | 1258 | 9.30 | 3.64 | 7.87 |
| ARI | 4.81 | 65 | 97 | 0.401 | 3 | 3 | 35 | 1432.0 | 1503 | 210 | 548 | 1070 | 9.45 | 3.44 | 6.72 |
| PIT | 5.00 | 57 | 105 | 0.352 | 1 | 6 | 31 | 1411.7 | 1567 | 167 | 538 | 1026 | 9.99 | 3.43 | 6.54 |
2009 - American League
| 2009 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SEA | 3.87 | 85 | 77 | 0.525 | 4 | 10 | 49 | 1452.7 | 1359 | 172 | 534 | 1043 | 8.42 | 3.31 | 6.46 |
| CHW | 4.16 | 79 | 83 | 0.488 | 4 | 11 | 36 | 1439.7 | 1438 | 169 | 507 | 1119 | 8.99 | 3.17 | 7.00 |
| NYY | 4.28 | 103 | 59 | 0.636 | 3 | 8 | 51 | 1450.0 | 1386 | 181 | 574 | 1260 | 8.60 | 3.56 | 7.82 |
| OAK | 4.29 | 75 | 87 | 0.463 | 2 | 10 | 38 | 1447.3 | 1486 | 156 | 523 | 1124 | 9.24 | 3.25 | 6.99 |
| DET | 4.34 | 86 | 77 | 0.528 | 4 | 9 | 42 | 1447.0 | 1449 | 182 | 594 | 1102 | 9.01 | 3.69 | 6.85 |
| BOS | 4.35 | 95 | 67 | 0.586 | 8 | 11 | 41 | 1436.7 | 1494 | 167 | 530 | 1230 | 9.36 | 3.32 | 7.71 |
| TBD | 4.36 | 84 | 78 | 0.519 | 3 | 5 | 41 | 1427.3 | 1421 | 183 | 515 | 1125 | 8.96 | 3.25 | 7.09 |
| TEX | 4.38 | 87 | 75 | 0.537 | 8 | 11 | 45 | 1434.7 | 1432 | 171 | 531 | 1016 | 8.98 | 3.33 | 6.37 |
| ANA | 4.45 | 97 | 65 | 0.599 | 9 | 13 | 51 | 1445.0 | 1513 | 180 | 523 | 1062 | 9.42 | 3.26 | 6.61 |
| TOR | 4.47 | 75 | 87 | 0.463 | 10 | 10 | 25 | 1451.0 | 1509 | 181 | 551 | 1181 | 9.36 | 3.42 | 7.33 |
| MIN | 4.50 | 87 | 76 | 0.534 | 4 | 7 | 48 | 1453.0 | 1542 | 185 | 466 | 1052 | 9.55 | 2.89 | 6.52 |
| KCR | 4.83 | 65 | 97 | 0.401 | 10 | 9 | 34 | 1426.0 | 1486 | 166 | 600 | 1153 | 9.38 | 3.79 | 7.28 |
| CLE | 5.07 | 65 | 97 | 0.401 | 5 | 6 | 25 | 1434.0 | 1570 | 183 | 598 | 986 | 9.85 | 3.75 | 6.19 |
| BAL | 5.16 | 64 | 98 | 0.395 | 2 | 3 | 31 | 1429.0 | 1633 | 218 | 546 | 933 | 10.28 | 3.44 | 5.88 |
2009 - National League
| 2009 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.41 | 95 | 67 | 0.586 | 1 | 9 | 44 | 1473.3 | 1265 | 127 | 584 | 1272 | 7.73 | 3.57 | 7.77 |
| SFG | 3.55 | 88 | 74 | 0.543 | 11 | 18 | 41 | 1446.0 | 1268 | 140 | 584 | 1302 | 7.89 | 3.63 | 8.10 |
| ATL | 3.57 | 86 | 76 | 0.531 | 3 | 10 | 38 | 1462.7 | 1399 | 119 | 530 | 1232 | 8.61 | 3.26 | 7.58 |
| STL | 3.66 | 91 | 71 | 0.562 | 8 | 11 | 43 | 1440.7 | 1407 | 123 | 460 | 1049 | 8.79 | 2.87 | 6.55 |
| CHC | 3.84 | 83 | 78 | 0.516 | 3 | 8 | 40 | 1445.3 | 1329 | 160 | 586 | 1272 | 8.28 | 3.65 | 7.92 |
| PHI | 4.16 | 93 | 69 | 0.574 | 8 | 9 | 44 | 1455.7 | 1479 | 189 | 489 | 1153 | 9.14 | 3.02 | 7.13 |
| CIN | 4.18 | 78 | 84 | 0.481 | 6 | 12 | 41 | 1458.3 | 1420 | 188 | 577 | 1069 | 8.76 | 3.56 | 6.60 |
| COL | 4.24 | 92 | 70 | 0.568 | 5 | 7 | 45 | 1438.3 | 1427 | 141 | 528 | 1154 | 8.93 | 3.30 | 7.22 |
| FLA | 4.32 | 87 | 75 | 0.537 | 5 | 5 | 45 | 1446.3 | 1425 | 160 | 601 | 1248 | 8.87 | 3.74 | 7.77 |
| SDP | 4.37 | 75 | 87 | 0.463 | 2 | 9 | 45 | 1450.7 | 1422 | 167 | 603 | 1187 | 8.82 | 3.74 | 7.36 |
| ARI | 4.44 | 70 | 92 | 0.432 | 4 | 12 | 36 | 1447.7 | 1470 | 168 | 525 | 1158 | 9.14 | 3.26 | 7.20 |
| NYM | 4.46 | 70 | 92 | 0.432 | 3 | 12 | 39 | 1426.0 | 1452 | 158 | 616 | 1031 | 9.16 | 3.89 | 6.51 |
| HOU | 4.54 | 74 | 88 | 0.457 | 5 | 10 | 39 | 1430.0 | 1521 | 176 | 546 | 1144 | 9.57 | 3.44 | 7.20 |
| PIT | 4.59 | 62 | 99 | 0.385 | 5 | 7 | 28 | 1418.3 | 1491 | 152 | 563 | 919 | 9.46 | 3.57 | 5.83 |
| MIL | 4.84 | 80 | 82 | 0.494 | 1 | 8 | 44 | 1435.0 | 1498 | 207 | 607 | 1104 | 9.40 | 3.81 | 6.92 |
| WSN | 5.02 | 59 | 103 | 0.364 | 6 | 3 | 33 | 1424.3 | 1533 | 173 | 629 | 911 | 9.69 | 3.97 | 5.76 |
2008 - American League
| 2008 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| TOR | 3.49 | 86 | 76 | 0.531 | 15 | 13 | 44 | 1446.7 | 1330 | 134 | 467 | 1184 | 8.27 | 2.91 | 7.37 |
| TBD | 3.82 | 97 | 65 | 0.599 | 7 | 12 | 52 | 1457.7 | 1349 | 166 | 526 | 1143 | 8.33 | 3.25 | 7.06 |
| ANA | 4.00 | 100 | 62 | 0.617 | 7 | 10 | 66 | 1451.3 | 1455 | 160 | 457 | 1106 | 9.02 | 2.83 | 6.86 |
| BOS | 4.01 | 95 | 67 | 0.586 | 5 | 16 | 47 | 1446.3 | 1369 | 147 | 548 | 1185 | 8.52 | 3.41 | 7.37 |
| OAK | 4.01 | 75 | 86 | 0.466 | 4 | 7 | 33 | 1435.0 | 1364 | 135 | 576 | 1061 | 8.55 | 3.61 | 6.65 |
| CHW | 4.11 | 89 | 74 | 0.546 | 4 | 10 | 34 | 1457.7 | 1471 | 156 | 460 | 1147 | 9.08 | 2.84 | 7.08 |
| MIN | 4.18 | 88 | 75 | 0.540 | 5 | 10 | 42 | 1459.0 | 1568 | 183 | 406 | 995 | 9.67 | 2.50 | 6.14 |
| NYY | 4.28 | 89 | 73 | 0.549 | 1 | 11 | 42 | 1441.7 | 1478 | 143 | 489 | 1141 | 9.23 | 3.05 | 7.12 |
| CLE | 4.46 | 81 | 81 | 0.500 | 10 | 13 | 31 | 1437.0 | 1530 | 170 | 444 | 986 | 9.58 | 2.78 | 6.18 |
| KCR | 4.50 | 75 | 87 | 0.463 | 2 | 8 | 44 | 1445.7 | 1473 | 159 | 515 | 1085 | 9.17 | 3.21 | 6.75 |
| SEA | 4.73 | 61 | 101 | 0.377 | 4 | 4 | 36 | 1435.3 | 1544 | 161 | 626 | 1016 | 9.68 | 3.93 | 6.37 |
| DET | 4.91 | 74 | 88 | 0.457 | 1 | 2 | 34 | 1445.0 | 1541 | 172 | 644 | 991 | 9.60 | 4.01 | 6.17 |
| BAL | 5.15 | 68 | 93 | 0.422 | 4 | 4 | 35 | 1422.0 | 1538 | 184 | 687 | 922 | 9.73 | 4.35 | 5.84 |
| TEX | 5.37 | 79 | 83 | 0.488 | 6 | 8 | 36 | 1442.0 | 1647 | 176 | 625 | 963 | 10.28 | 3.90 | 6.01 |
2008 - National League
| 2008 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.68 | 84 | 78 | 0.519 | 5 | 11 | 35 | 1447.3 | 1381 | 123 | 480 | 1205 | 8.59 | 2.98 | 7.49 |
| CHC | 3.87 | 97 | 64 | 0.602 | 2 | 8 | 44 | 1450.7 | 1329 | 160 | 548 | 1264 | 8.24 | 3.40 | 7.84 |
| MIL | 3.87 | 90 | 72 | 0.556 | 12 | 10 | 45 | 1455.7 | 1415 | 175 | 528 | 1110 | 8.75 | 3.26 | 6.86 |
| PHI | 3.89 | 92 | 70 | 0.568 | 4 | 11 | 47 | 1449.7 | 1444 | 160 | 533 | 1081 | 8.96 | 3.31 | 6.71 |
| ARI | 3.99 | 82 | 80 | 0.506 | 6 | 9 | 39 | 1434.7 | 1403 | 147 | 451 | 1229 | 8.80 | 2.83 | 7.71 |
| NYM | 4.07 | 89 | 73 | 0.549 | 5 | 12 | 43 | 1464.3 | 1415 | 163 | 590 | 1181 | 8.70 | 3.63 | 7.26 |
| STL | 4.20 | 86 | 76 | 0.531 | 2 | 7 | 42 | 1454.0 | 1517 | 163 | 496 | 957 | 9.39 | 3.07 | 5.92 |
| SFG | 4.38 | 72 | 90 | 0.444 | 4 | 12 | 41 | 1442.0 | 1416 | 147 | 652 | 1240 | 8.84 | 4.07 | 7.74 |
| HOU | 4.39 | 86 | 75 | 0.534 | 4 | 13 | 48 | 1425.3 | 1453 | 197 | 492 | 1095 | 9.17 | 3.11 | 6.91 |
| SDP | 4.41 | 63 | 99 | 0.389 | 3 | 6 | 30 | 1458.3 | 1466 | 165 | 561 | 1100 | 9.05 | 3.46 | 6.79 |
| FLA | 4.44 | 84 | 77 | 0.522 | 2 | 8 | 36 | 1435.3 | 1421 | 161 | 586 | 1127 | 8.91 | 3.67 | 7.07 |
| ATL | 4.47 | 72 | 90 | 0.444 | 2 | 7 | 26 | 1440.7 | 1439 | 156 | 586 | 1076 | 8.99 | 3.66 | 6.72 |
| CIN | 4.55 | 74 | 88 | 0.457 | 2 | 6 | 34 | 1442.3 | 1542 | 201 | 557 | 1227 | 9.62 | 3.48 | 7.66 |
| WSN | 4.66 | 59 | 102 | 0.366 | 2 | 8 | 28 | 1434.0 | 1496 | 190 | 588 | 1063 | 9.39 | 3.69 | 6.67 |
| COL | 4.77 | 74 | 88 | 0.457 | 3 | 8 | 36 | 1446.0 | 1547 | 148 | 562 | 1041 | 9.63 | 3.50 | 6.48 |
| PIT | 5.10 | 67 | 95 | 0.414 | 3 | 7 | 34 | 1455.0 | 1631 | 176 | 657 | 963 | 10.09 | 4.06 | 5.96 |
2007 - American League
| 2007 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BOS | 3.87 | 96 | 66 | 0.593 | 5 | 13 | 45 | 1438.7 | 1350 | 151 | 482 | 1149 | 8.45 | 3.02 | 7.19 |
| TOR | 4.00 | 83 | 79 | 0.512 | 11 | 9 | 44 | 1448.7 | 1383 | 157 | 479 | 1067 | 8.59 | 2.98 | 6.63 |
| CLE | 4.05 | 96 | 66 | 0.593 | 9 | 9 | 49 | 1462.7 | 1519 | 146 | 410 | 1047 | 9.35 | 2.52 | 6.44 |
| MIN | 4.15 | 79 | 83 | 0.488 | 5 | 8 | 38 | 1436.7 | 1505 | 185 | 420 | 1094 | 9.43 | 2.63 | 6.85 |
| ANA | 4.23 | 94 | 68 | 0.580 | 5 | 9 | 43 | 1435.0 | 1480 | 151 | 477 | 1156 | 9.28 | 2.99 | 7.25 |
| OAK | 4.28 | 76 | 86 | 0.469 | 4 | 9 | 36 | 1448.0 | 1468 | 138 | 530 | 1036 | 9.12 | 3.29 | 6.44 |
| KCR | 4.48 | 69 | 93 | 0.426 | 2 | 6 | 36 | 1437.3 | 1547 | 168 | 520 | 993 | 9.69 | 3.26 | 6.22 |
| NYY | 4.49 | 94 | 68 | 0.580 | 1 | 5 | 34 | 1450.7 | 1498 | 150 | 578 | 1009 | 9.29 | 3.59 | 6.26 |
| DET | 4.57 | 88 | 74 | 0.543 | 1 | 9 | 44 | 1447.3 | 1498 | 174 | 566 | 1047 | 9.32 | 3.52 | 6.51 |
| SEA | 4.73 | 88 | 74 | 0.543 | 6 | 12 | 43 | 1434.3 | 1578 | 147 | 546 | 1020 | 9.90 | 3.43 | 6.40 |
| TEX | 4.75 | 75 | 87 | 0.463 | 0 | 6 | 42 | 1430.0 | 1525 | 155 | 668 | 976 | 9.60 | 4.20 | 6.14 |
| CHW | 4.77 | 72 | 90 | 0.444 | 9 | 9 | 42 | 1440.7 | 1556 | 174 | 499 | 1015 | 9.72 | 3.12 | 6.34 |
| BAL | 5.17 | 69 | 93 | 0.426 | 4 | 9 | 30 | 1438.7 | 1491 | 161 | 696 | 1087 | 9.33 | 4.35 | 6.80 |
| TBD | 5.53 | 66 | 96 | 0.407 | 2 | 2 | 28 | 1429.7 | 1649 | 199 | 568 | 1194 | 10.38 | 3.58 | 7.52 |
2007 - National League
| 2007 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SDP | 3.70 | 89 | 74 | 0.546 | 1 | 20 | 45 | 1484.7 | 1406 | 119 | 474 | 1136 | 8.52 | 2.87 | 6.89 |
| CHC | 4.04 | 85 | 77 | 0.525 | 2 | 10 | 39 | 1446.7 | 1340 | 165 | 573 | 1211 | 8.34 | 3.56 | 7.53 |
| ATL | 4.11 | 84 | 78 | 0.519 | 1 | 6 | 36 | 1456.3 | 1442 | 172 | 537 | 1106 | 8.91 | 3.32 | 6.84 |
| ARI | 4.13 | 90 | 72 | 0.556 | 7 | 12 | 51 | 1441.0 | 1446 | 169 | 546 | 1088 | 9.03 | 3.41 | 6.80 |
| SFG | 4.19 | 71 | 91 | 0.438 | 5 | 10 | 37 | 1453.7 | 1442 | 133 | 593 | 1057 | 8.93 | 3.67 | 6.54 |
| LAD | 4.20 | 82 | 80 | 0.506 | 4 | 6 | 43 | 1450.0 | 1443 | 146 | 518 | 1184 | 8.96 | 3.22 | 7.35 |
| NYM | 4.26 | 88 | 74 | 0.543 | 2 | 10 | 39 | 1452.3 | 1415 | 165 | 570 | 1134 | 8.77 | 3.53 | 7.03 |
| COL | 4.32 | 90 | 73 | 0.552 | 4 | 7 | 39 | 1472.0 | 1497 | 164 | 504 | 967 | 9.15 | 3.08 | 5.91 |
| MIL | 4.41 | 83 | 79 | 0.512 | 3 | 6 | 49 | 1444.3 | 1513 | 161 | 507 | 1174 | 9.43 | 3.16 | 7.32 |
| WSN | 4.58 | 73 | 89 | 0.451 | 0 | 6 | 46 | 1446.7 | 1502 | 187 | 580 | 931 | 9.34 | 3.61 | 5.79 |
| STL | 4.65 | 78 | 84 | 0.481 | 2 | 8 | 34 | 1435.7 | 1514 | 168 | 509 | 945 | 9.49 | 3.19 | 5.92 |
| HOU | 4.68 | 73 | 89 | 0.451 | 2 | 6 | 38 | 1464.7 | 1566 | 206 | 510 | 1109 | 9.62 | 3.13 | 6.81 |
| PHI | 4.73 | 89 | 73 | 0.549 | 5 | 5 | 42 | 1458.3 | 1555 | 198 | 558 | 1050 | 9.60 | 3.44 | 6.48 |
| PIT | 4.93 | 68 | 94 | 0.420 | 4 | 5 | 32 | 1447.7 | 1627 | 174 | 518 | 997 | 10.11 | 3.22 | 6.20 |
| CIN | 4.94 | 72 | 90 | 0.444 | 6 | 7 | 34 | 1449.7 | 1605 | 198 | 482 | 1068 | 9.96 | 2.99 | 6.63 |
| FLA | 4.94 | 71 | 91 | 0.438 | 0 | 4 | 40 | 1443.7 | 1617 | 176 | 661 | 1142 | 10.08 | 4.12 | 7.12 |
2006 - American League
| 2006 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| DET | 3.84 | 95 | 67 | 0.586 | 3 | 16 | 46 | 1448.0 | 1420 | 160 | 489 | 1003 | 8.83 | 3.04 | 6.23 |
| MIN | 3.95 | 96 | 66 | 0.593 | 1 | 6 | 40 | 1439.3 | 1490 | 182 | 356 | 1164 | 9.32 | 2.23 | 7.28 |
| ANA | 4.04 | 89 | 73 | 0.549 | 5 | 12 | 50 | 1452.7 | 1410 | 158 | 471 | 1164 | 8.74 | 2.92 | 7.21 |
| OAK | 4.21 | 93 | 69 | 0.574 | 5 | 11 | 54 | 1451.7 | 1525 | 162 | 529 | 1003 | 9.45 | 3.28 | 6.22 |
| TOR | 4.37 | 87 | 75 | 0.537 | 6 | 6 | 42 | 1428.3 | 1447 | 185 | 504 | 1076 | 9.12 | 3.18 | 6.78 |
| CLE | 4.41 | 78 | 84 | 0.481 | 13 | 13 | 24 | 1423.3 | 1583 | 166 | 429 | 948 | 10.01 | 2.71 | 5.99 |
| NYY | 4.41 | 97 | 65 | 0.599 | 5 | 8 | 43 | 1443.7 | 1463 | 170 | 496 | 1019 | 9.12 | 3.09 | 6.35 |
| SEA | 4.60 | 78 | 84 | 0.481 | 6 | 6 | 47 | 1446.7 | 1500 | 183 | 560 | 1067 | 9.33 | 3.48 | 6.64 |
| TEX | 4.60 | 80 | 82 | 0.494 | 3 | 8 | 42 | 1431.3 | 1558 | 162 | 496 | 972 | 9.80 | 3.12 | 6.11 |
| CHW | 4.61 | 90 | 72 | 0.556 | 5 | 11 | 46 | 1449.0 | 1534 | 200 | 433 | 1012 | 9.53 | 2.69 | 6.29 |
| BOS | 4.83 | 86 | 76 | 0.531 | 3 | 6 | 46 | 1441.3 | 1570 | 181 | 509 | 1070 | 9.80 | 3.18 | 6.68 |
| TBD | 4.96 | 61 | 101 | 0.377 | 3 | 7 | 33 | 1420.3 | 1600 | 180 | 606 | 979 | 10.14 | 3.84 | 6.20 |
| BAL | 5.35 | 70 | 92 | 0.432 | 5 | 9 | 35 | 1419.0 | 1579 | 216 | 613 | 1016 | 10.01 | 3.89 | 6.44 |
| KCR | 5.65 | 62 | 100 | 0.383 | 3 | 5 | 35 | 1426.3 | 1648 | 213 | 637 | 904 | 10.40 | 4.02 | 5.70 |
2006 - National League
| 2006 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SDP | 3.87 | 88 | 74 | 0.543 | 4 | 11 | 50 | 1463.7 | 1385 | 176 | 468 | 1097 | 8.52 | 2.88 | 6.75 |
| HOU | 4.08 | 82 | 80 | 0.506 | 5 | 12 | 42 | 1468.7 | 1425 | 182 | 480 | 1160 | 8.73 | 2.94 | 7.11 |
| NYM | 4.14 | 97 | 65 | 0.599 | 5 | 12 | 43 | 1461.3 | 1402 | 180 | 527 | 1161 | 8.63 | 3.25 | 7.15 |
| LAD | 4.23 | 88 | 74 | 0.543 | 1 | 10 | 40 | 1460.3 | 1524 | 152 | 492 | 1068 | 9.39 | 3.03 | 6.58 |
| FLA | 4.37 | 78 | 84 | 0.481 | 6 | 6 | 41 | 1433.3 | 1465 | 166 | 622 | 1088 | 9.20 | 3.91 | 6.83 |
| ARI | 4.48 | 76 | 86 | 0.469 | 8 | 9 | 34 | 1459.7 | 1503 | 168 | 536 | 1115 | 9.27 | 3.30 | 6.87 |
| CIN | 4.51 | 80 | 82 | 0.494 | 9 | 10 | 36 | 1445.7 | 1576 | 213 | 464 | 1053 | 9.81 | 2.89 | 6.56 |
| PIT | 4.52 | 67 | 95 | 0.414 | 2 | 10 | 39 | 1435.0 | 1545 | 156 | 620 | 1060 | 9.69 | 3.89 | 6.65 |
| STL | 4.54 | 83 | 78 | 0.516 | 6 | 9 | 38 | 1429.7 | 1475 | 193 | 504 | 970 | 9.29 | 3.17 | 6.11 |
| ATL | 4.60 | 79 | 83 | 0.488 | 6 | 6 | 38 | 1441.3 | 1529 | 183 | 572 | 1049 | 9.55 | 3.57 | 6.55 |
| PHI | 4.60 | 85 | 77 | 0.525 | 4 | 6 | 42 | 1460.3 | 1561 | 211 | 512 | 1138 | 9.62 | 3.16 | 7.01 |
| SFG | 4.63 | 76 | 85 | 0.472 | 7 | 9 | 37 | 1429.7 | 1422 | 153 | 584 | 992 | 8.95 | 3.68 | 6.24 |
| COL | 4.66 | 76 | 86 | 0.469 | 5 | 8 | 34 | 1447.3 | 1549 | 155 | 553 | 952 | 9.63 | 3.44 | 5.92 |
| CHC | 4.74 | 66 | 96 | 0.407 | 2 | 7 | 29 | 1439.0 | 1396 | 210 | 687 | 1250 | 8.73 | 4.30 | 7.82 |
| MIL | 4.82 | 75 | 87 | 0.463 | 7 | 8 | 43 | 1425.7 | 1454 | 177 | 514 | 1145 | 9.18 | 3.24 | 7.23 |
| WSN | 5.03 | 71 | 91 | 0.438 | 1 | 3 | 32 | 1436.3 | 1535 | 193 | 584 | 960 | 9.62 | 3.66 | 6.02 |
2005 - American League
| 2005 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 3.61 | 99 | 63 | 0.611 | 9 | 10 | 54 | 1475.7 | 1392 | 167 | 459 | 1040 | 8.49 | 2.80 | 6.34 |
| CLE | 3.61 | 93 | 69 | 0.574 | 6 | 10 | 51 | 1452.7 | 1363 | 157 | 413 | 1050 | 8.44 | 2.56 | 6.51 |
| ANA | 3.68 | 95 | 67 | 0.586 | 7 | 11 | 54 | 1464.3 | 1419 | 158 | 443 | 1126 | 8.72 | 2.72 | 6.92 |
| OAK | 3.69 | 88 | 74 | 0.543 | 9 | 12 | 38 | 1450.3 | 1315 | 154 | 504 | 1075 | 8.16 | 3.13 | 6.67 |
| MIN | 3.71 | 83 | 79 | 0.512 | 9 | 8 | 44 | 1464.3 | 1458 | 169 | 348 | 965 | 8.96 | 2.14 | 5.93 |
| TOR | 4.06 | 80 | 82 | 0.494 | 9 | 8 | 35 | 1447.0 | 1475 | 185 | 444 | 958 | 9.17 | 2.76 | 5.96 |
| SEA | 4.49 | 69 | 93 | 0.426 | 6 | 7 | 39 | 1427.7 | 1483 | 179 | 496 | 892 | 9.35 | 3.13 | 5.62 |
| DET | 4.51 | 71 | 91 | 0.438 | 7 | 2 | 37 | 1435.7 | 1504 | 193 | 461 | 907 | 9.43 | 2.89 | 5.69 |
| NYY | 4.52 | 95 | 67 | 0.586 | 8 | 14 | 46 | 1430.7 | 1495 | 164 | 463 | 985 | 9.40 | 2.91 | 6.20 |
| BAL | 4.56 | 74 | 88 | 0.457 | 2 | 9 | 38 | 1427.7 | 1458 | 180 | 580 | 1052 | 9.19 | 3.66 | 6.63 |
| BOS | 4.74 | 95 | 67 | 0.586 | 6 | 8 | 38 | 1429.0 | 1550 | 164 | 440 | 959 | 9.76 | 2.77 | 6.04 |
| TEX | 4.96 | 79 | 83 | 0.488 | 2 | 6 | 46 | 1440.0 | 1589 | 159 | 522 | 932 | 9.93 | 3.26 | 5.83 |
| TBD | 5.39 | 67 | 95 | 0.414 | 1 | 4 | 43 | 1421.7 | 1570 | 194 | 615 | 949 | 9.94 | 3.89 | 6.01 |
| KCR | 5.49 | 56 | 106 | 0.346 | 4 | 4 | 25 | 1413.3 | 1640 | 178 | 580 | 924 | 10.44 | 3.69 | 5.88 |
2005 - National League
| 2005 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 3.49 | 100 | 62 | 0.617 | 15 | 14 | 48 | 1445.7 | 1399 | 153 | 443 | 974 | 8.71 | 2.76 | 6.06 |
| HOU | 3.51 | 89 | 73 | 0.546 | 6 | 11 | 45 | 1443.0 | 1336 | 155 | 440 | 1164 | 8.33 | 2.74 | 7.26 |
| NYM | 3.76 | 83 | 79 | 0.512 | 8 | 11 | 38 | 1435.7 | 1390 | 135 | 491 | 1012 | 8.71 | 3.08 | 6.34 |
| WSN | 3.87 | 81 | 81 | 0.500 | 4 | 9 | 51 | 1458.0 | 1456 | 140 | 539 | 997 | 8.99 | 3.33 | 6.15 |
| MIL | 3.97 | 81 | 81 | 0.500 | 7 | 6 | 46 | 1438.0 | 1382 | 169 | 569 | 1173 | 8.65 | 3.56 | 7.34 |
| ATL | 3.98 | 90 | 72 | 0.556 | 8 | 12 | 38 | 1443.7 | 1487 | 145 | 520 | 929 | 9.27 | 3.24 | 5.79 |
| SDP | 4.13 | 82 | 80 | 0.506 | 4 | 8 | 45 | 1455.3 | 1452 | 146 | 503 | 1133 | 8.98 | 3.11 | 7.01 |
| FLA | 4.16 | 83 | 79 | 0.512 | 14 | 15 | 42 | 1442.3 | 1459 | 116 | 563 | 1125 | 9.10 | 3.51 | 7.02 |
| CHC | 4.19 | 79 | 83 | 0.488 | 8 | 10 | 39 | 1440.0 | 1357 | 186 | 576 | 1256 | 8.48 | 3.60 | 7.85 |
| PHI | 4.21 | 88 | 74 | 0.543 | 4 | 6 | 40 | 1435.0 | 1379 | 189 | 487 | 1159 | 8.65 | 3.05 | 7.27 |
| SFG | 4.33 | 75 | 87 | 0.463 | 4 | 8 | 46 | 1444.3 | 1456 | 151 | 592 | 972 | 9.07 | 3.69 | 6.06 |
| LAD | 4.38 | 71 | 91 | 0.438 | 6 | 9 | 40 | 1427.3 | 1434 | 182 | 471 | 1004 | 9.04 | 2.97 | 6.33 |
| PIT | 4.42 | 67 | 95 | 0.414 | 4 | 14 | 35 | 1436.0 | 1456 | 162 | 612 | 958 | 9.13 | 3.84 | 6.00 |
| ARI | 4.84 | 77 | 85 | 0.475 | 6 | 10 | 45 | 1456.3 | 1580 | 193 | 537 | 1038 | 9.76 | 3.32 | 6.41 |
| COL | 5.13 | 67 | 95 | 0.414 | 4 | 4 | 37 | 1418.7 | 1600 | 175 | 604 | 981 | 10.15 | 3.83 | 6.22 |
| CIN | 5.15 | 73 | 89 | 0.448 | 2 | 1 | 31 | 1433.0 | 1657 | 219 | 492 | 955 | 10.41 | 3.09 | 6.00 |
2004 - American League
| 2004 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 4.03 | 92 | 70 | 0.568 | 4 | 9 | 48 | 1476.0 | 1523 | 167 | 431 | 1123 | 9.29 | 2.63 | 6.85 |
| OAK | 4.17 | 91 | 71 | 0.562 | 10 | 8 | 35 | 1471.3 | 1466 | 164 | 544 | 1034 | 8.97 | 3.33 | 6.33 |
| BOS | 4.18 | 98 | 64 | 0.605 | 4 | 12 | 36 | 1451.3 | 1430 | 159 | 447 | 1132 | 8.87 | 2.77 | 7.02 |
| ANA | 4.28 | 92 | 70 | 0.568 | 2 | 11 | 50 | 1454.3 | 1476 | 170 | 502 | 1164 | 9.13 | 3.11 | 7.20 |
| TEX | 4.53 | 89 | 73 | 0.549 | 5 | 9 | 52 | 1439.7 | 1536 | 182 | 547 | 979 | 9.60 | 3.42 | 6.12 |
| NYY | 4.69 | 101 | 61 | 0.623 | 1 | 5 | 59 | 1443.7 | 1532 | 182 | 445 | 1058 | 9.55 | 2.77 | 6.60 |
| BAL | 4.70 | 78 | 84 | 0.481 | 8 | 10 | 27 | 1455.3 | 1488 | 159 | 687 | 1090 | 9.20 | 4.25 | 6.74 |
| SEA | 4.76 | 63 | 99 | 0.389 | 7 | 7 | 28 | 1459.3 | 1498 | 212 | 575 | 1036 | 9.24 | 3.55 | 6.39 |
| CLE | 4.81 | 80 | 82 | 0.494 | 8 | 8 | 32 | 1466.7 | 1553 | 201 | 579 | 1115 | 9.53 | 3.55 | 6.84 |
| TBD | 4.81 | 70 | 91 | 0.435 | 3 | 5 | 35 | 1417.0 | 1459 | 192 | 580 | 923 | 9.27 | 3.68 | 5.86 |
| CHW | 4.91 | 83 | 79 | 0.512 | 8 | 8 | 34 | 1432.3 | 1505 | 224 | 527 | 1013 | 9.46 | 3.31 | 6.37 |
| TOR | 4.91 | 67 | 94 | 0.416 | 6 | 11 | 37 | 1421.0 | 1505 | 181 | 608 | 956 | 9.53 | 3.85 | 6.05 |
| DET | 4.93 | 72 | 90 | 0.444 | 7 | 9 | 35 | 1439.7 | 1542 | 190 | 530 | 995 | 9.64 | 3.31 | 6.22 |
| KCR | 5.15 | 58 | 104 | 0.358 | 6 | 3 | 25 | 1420.3 | 1638 | 208 | 518 | 887 | 10.38 | 3.28 | 5.62 |
2004 - National League
| 2004 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.74 | 96 | 66 | 0.593 | 4 | 13 | 48 | 1450.0 | 1475 | 154 | 523 | 1025 | 9.16 | 3.25 | 6.36 |
| STL | 3.75 | 105 | 57 | 0.648 | 4 | 12 | 57 | 1453.7 | 1378 | 169 | 440 | 1041 | 8.53 | 2.72 | 6.44 |
| CHC | 3.81 | 89 | 73 | 0.549 | 3 | 6 | 42 | 1465.3 | 1363 | 169 | 545 | 1346 | 8.37 | 3.35 | 8.27 |
| LAD | 4.01 | 93 | 69 | 0.574 | 2 | 6 | 51 | 1453.3 | 1386 | 178 | 521 | 1066 | 8.58 | 3.23 | 6.60 |
| SDP | 4.03 | 87 | 75 | 0.537 | 3 | 8 | 44 | 1441.0 | 1460 | 184 | 422 | 1079 | 9.12 | 2.64 | 6.74 |
| HOU | 4.05 | 92 | 70 | 0.568 | 2 | 13 | 47 | 1443.0 | 1416 | 174 | 525 | 1282 | 8.83 | 3.27 | 8.00 |
| NYM | 4.09 | 71 | 91 | 0.438 | 2 | 6 | 31 | 1449.0 | 1452 | 156 | 592 | 977 | 9.02 | 3.68 | 6.07 |
| FLA | 4.10 | 83 | 79 | 0.512 | 6 | 14 | 53 | 1439.0 | 1395 | 166 | 513 | 1116 | 8.72 | 3.21 | 6.98 |
| MIL | 4.24 | 67 | 94 | 0.416 | 6 | 10 | 42 | 1442.0 | 1440 | 164 | 476 | 1098 | 8.99 | 2.97 | 6.85 |
| PIT | 4.29 | 72 | 89 | 0.447 | 3 | 8 | 46 | 1428.0 | 1451 | 149 | 576 | 1079 | 9.14 | 3.63 | 6.80 |
| SFG | 4.29 | 91 | 71 | 0.562 | 8 | 8 | 46 | 1457.0 | 1481 | 161 | 548 | 1020 | 9.15 | 3.39 | 6.30 |
| WSN | 4.33 | 67 | 95 | 0.414 | 11 | 11 | 31 | 1447.0 | 1477 | 191 | 582 | 1032 | 9.19 | 3.62 | 6.42 |
| PHI | 4.45 | 86 | 76 | 0.531 | 4 | 5 | 43 | 1462.7 | 1488 | 214 | 502 | 1070 | 9.16 | 3.09 | 6.58 |
| ARI | 4.98 | 51 | 111 | 0.315 | 5 | 6 | 33 | 1436.0 | 1480 | 197 | 668 | 1153 | 9.28 | 4.19 | 7.23 |
| CIN | 5.19 | 76 | 86 | 0.469 | 5 | 8 | 47 | 1443.7 | 1595 | 236 | 572 | 992 | 9.94 | 3.57 | 6.18 |
| COL | 5.54 | 68 | 94 | 0.420 | 3 | 2 | 36 | 1435.3 | 1634 | 198 | 697 | 947 | 10.25 | 4.37 | 5.94 |
2003 - American League
| 2003 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.63 | 96 | 66 | 0.593 | 16 | 14 | 48 | 1441.7 | 1336 | 140 | 499 | 1018 | 8.34 | 3.12 | 6.35 |
| SEA | 3.76 | 93 | 69 | 0.574 | 8 | 15 | 38 | 1441.0 | 1340 | 173 | 466 | 1001 | 8.37 | 2.91 | 6.25 |
| NYY | 4.02 | 101 | 61 | 0.620 | 8 | 12 | 49 | 1462.0 | 1512 | 145 | 375 | 1119 | 9.31 | 2.31 | 6.89 |
| CHW | 4.17 | 86 | 76 | 0.531 | 12 | 4 | 36 | 1431.0 | 1364 | 162 | 518 | 1056 | 8.58 | 3.26 | 6.64 |
| CLE | 4.21 | 68 | 94 | 0.420 | 5 | 7 | 34 | 1459.3 | 1477 | 179 | 501 | 943 | 9.11 | 3.09 | 5.82 |
| ANA | 4.28 | 77 | 85 | 0.475 | 5 | 9 | 39 | 1431.3 | 1444 | 190 | 486 | 980 | 9.08 | 3.06 | 6.16 |
| MIN | 4.41 | 90 | 72 | 0.556 | 7 | 8 | 45 | 1461.7 | 1526 | 187 | 402 | 997 | 9.40 | 2.48 | 6.14 |
| BOS | 4.48 | 95 | 67 | 0.586 | 5 | 6 | 36 | 1464.7 | 1503 | 153 | 488 | 1141 | 9.24 | 3.00 | 7.01 |
| TOR | 4.69 | 86 | 76 | 0.531 | 14 | 6 | 36 | 1435.0 | 1560 | 184 | 485 | 984 | 9.78 | 3.04 | 6.17 |
| BAL | 4.76 | 71 | 91 | 0.436 | 9 | 3 | 41 | 1449.7 | 1579 | 198 | 526 | 981 | 9.80 | 3.27 | 6.09 |
| TBD | 4.93 | 63 | 99 | 0.389 | 7 | 7 | 30 | 1436.7 | 1454 | 196 | 639 | 877 | 9.11 | 4.00 | 5.49 |
| KCR | 5.06 | 83 | 79 | 0.512 | 7 | 10 | 36 | 1438.7 | 1569 | 190 | 566 | 865 | 9.82 | 3.54 | 5.41 |
| DET | 5.30 | 43 | 119 | 0.265 | 3 | 5 | 27 | 1438.7 | 1616 | 195 | 557 | 764 | 10.11 | 3.48 | 4.78 |
| TEX | 5.67 | 71 | 91 | 0.438 | 4 | 3 | 43 | 1433.3 | 1625 | 208 | 603 | 1009 | 10.20 | 3.79 | 6.34 |
2003 - National League
| 2003 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.16 | 85 | 77 | 0.525 | 3 | 17 | 58 | 1457.7 | 1254 | 127 | 526 | 1289 | 7.74 | 3.25 | 7.96 |
| SFG | 3.73 | 100 | 61 | 0.621 | 7 | 10 | 43 | 1437.3 | 1349 | 136 | 546 | 1006 | 8.45 | 3.42 | 6.30 |
| CHC | 3.83 | 88 | 74 | 0.543 | 13 | 14 | 36 | 1456.3 | 1304 | 143 | 617 | 1404 | 8.06 | 3.81 | 8.68 |
| ARI | 3.84 | 84 | 78 | 0.519 | 7 | 11 | 42 | 1455.0 | 1379 | 150 | 526 | 1291 | 8.53 | 3.25 | 7.99 |
| HOU | 3.86 | 87 | 75 | 0.537 | 1 | 5 | 50 | 1450.0 | 1350 | 161 | 565 | 1139 | 8.38 | 3.51 | 7.07 |
| WSN | 4.01 | 83 | 79 | 0.512 | 15 | 10 | 42 | 1437.7 | 1467 | 181 | 463 | 1028 | 9.18 | 2.90 | 6.44 |
| FLA | 4.04 | 91 | 71 | 0.562 | 7 | 11 | 36 | 1445.3 | 1415 | 128 | 530 | 1132 | 8.81 | 3.30 | 7.05 |
| PHI | 4.04 | 86 | 76 | 0.531 | 9 | 13 | 33 | 1443.7 | 1386 | 142 | 536 | 1060 | 8.64 | 3.34 | 6.61 |
| ATL | 4.10 | 101 | 61 | 0.623 | 4 | 7 | 51 | 1456.3 | 1425 | 147 | 555 | 992 | 8.81 | 3.43 | 6.13 |
| NYM | 4.48 | 66 | 95 | 0.410 | 3 | 10 | 38 | 1413.3 | 1497 | 168 | 576 | 907 | 9.53 | 3.67 | 5.78 |
| STL | 4.60 | 85 | 77 | 0.525 | 9 | 10 | 41 | 1463.7 | 1544 | 210 | 508 | 969 | 9.49 | 3.12 | 5.96 |
| PIT | 4.64 | 75 | 87 | 0.463 | 7 | 10 | 44 | 1444.3 | 1527 | 178 | 502 | 926 | 9.52 | 3.13 | 5.77 |
| SDP | 4.87 | 64 | 98 | 0.395 | 2 | 10 | 31 | 1431.3 | 1458 | 208 | 611 | 1091 | 9.17 | 3.84 | 6.86 |
| MIL | 5.02 | 68 | 94 | 0.420 | 5 | 3 | 44 | 1452.0 | 1590 | 219 | 575 | 1034 | 9.86 | 3.56 | 6.41 |
| CIN | 5.09 | 69 | 93 | 0.426 | 4 | 5 | 38 | 1446.3 | 1578 | 209 | 590 | 932 | 9.82 | 3.67 | 5.80 |
| COL | 5.20 | 74 | 88 | 0.457 | 3 | 4 | 34 | 1420.0 | 1629 | 200 | 552 | 866 | 10.32 | 3.50 | 5.49 |
2002 - American League
| 2002 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.68 | 103 | 59 | 0.636 | 9 | 19 | 48 | 1452.0 | 1391 | 135 | 474 | 1021 | 8.62 | 2.94 | 6.33 |
| ANA | 3.69 | 99 | 63 | 0.611 | 7 | 14 | 54 | 1452.3 | 1345 | 169 | 509 | 999 | 8.34 | 3.15 | 6.19 |
| BOS | 3.75 | 93 | 69 | 0.574 | 5 | 17 | 51 | 1446.0 | 1339 | 146 | 430 | 1157 | 8.33 | 2.68 | 7.20 |
| NYY | 3.87 | 103 | 58 | 0.640 | 9 | 11 | 53 | 1452.0 | 1441 | 144 | 403 | 1135 | 8.93 | 2.50 | 7.04 |
| SEA | 4.07 | 93 | 69 | 0.574 | 8 | 12 | 43 | 1445.3 | 1422 | 178 | 441 | 1063 | 8.85 | 2.75 | 6.62 |
| MIN | 4.12 | 94 | 67 | 0.584 | 8 | 9 | 47 | 1444.7 | 1454 | 184 | 439 | 1026 | 9.06 | 2.73 | 6.39 |
| BAL | 4.46 | 67 | 95 | 0.414 | 8 | 3 | 31 | 1450.7 | 1491 | 208 | 549 | 967 | 9.25 | 3.41 | 6.00 |
| CHW | 4.53 | 81 | 81 | 0.500 | 7 | 7 | 35 | 1423.0 | 1422 | 190 | 528 | 945 | 8.99 | 3.34 | 5.98 |
| TOR | 4.80 | 78 | 84 | 0.481 | 6 | 6 | 41 | 1438.3 | 1504 | 177 | 590 | 991 | 9.41 | 3.69 | 6.20 |
| CLE | 4.91 | 74 | 88 | 0.457 | 9 | 4 | 34 | 1424.7 | 1508 | 142 | 603 | 1058 | 9.53 | 3.81 | 6.68 |
| DET | 4.93 | 55 | 106 | 0.342 | 11 | 7 | 33 | 1414.0 | 1593 | 163 | 463 | 794 | 10.14 | 2.95 | 5.05 |
| TEX | 5.15 | 72 | 90 | 0.444 | 4 | 4 | 33 | 1439.7 | 1528 | 194 | 669 | 1030 | 9.55 | 4.18 | 6.44 |
| KCR | 5.21 | 62 | 100 | 0.383 | 12 | 6 | 30 | 1441.0 | 1587 | 212 | 572 | 909 | 9.91 | 3.57 | 5.68 |
| TBD | 5.29 | 55 | 106 | 0.342 | 12 | 3 | 25 | 1440.3 | 1567 | 215 | 620 | 925 | 9.79 | 3.87 | 5.78 |
2002 - National League
| 2002 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.13 | 101 | 59 | 0.627 | 3 | 15 | 57 | 1467.3 | 1302 | 123 | 554 | 1058 | 7.99 | 3.40 | 6.49 |
| SFG | 3.54 | 95 | 66 | 0.586 | 10 | 13 | 43 | 1437.3 | 1349 | 116 | 523 | 992 | 8.45 | 3.27 | 6.21 |
| LAD | 3.69 | 92 | 70 | 0.568 | 4 | 15 | 56 | 1457.7 | 1311 | 165 | 555 | 1132 | 8.09 | 3.43 | 6.99 |
| STL | 3.70 | 97 | 65 | 0.599 | 4 | 9 | 42 | 1446.3 | 1355 | 141 | 547 | 1009 | 8.43 | 3.40 | 6.28 |
| NYM | 3.89 | 75 | 86 | 0.466 | 9 | 10 | 36 | 1442.7 | 1408 | 163 | 543 | 1107 | 8.78 | 3.39 | 6.91 |
| ARI | 3.92 | 98 | 64 | 0.605 | 14 | 10 | 40 | 1446.7 | 1361 | 170 | 421 | 1303 | 8.47 | 2.62 | 8.11 |
| WSN | 3.97 | 83 | 79 | 0.512 | 9 | 3 | 39 | 1453.0 | 1475 | 165 | 508 | 1088 | 9.14 | 3.15 | 6.74 |
| HOU | 4.00 | 84 | 78 | 0.519 | 2 | 11 | 43 | 1445.0 | 1423 | 151 | 546 | 1219 | 8.86 | 3.40 | 7.59 |
| PHI | 4.17 | 80 | 81 | 0.497 | 5 | 9 | 47 | 1449.7 | 1381 | 153 | 570 | 1075 | 8.57 | 3.54 | 6.67 |
| PIT | 4.23 | 72 | 89 | 0.447 | 2 | 7 | 47 | 1412.7 | 1447 | 163 | 572 | 920 | 9.22 | 3.64 | 5.86 |
| CIN | 4.27 | 78 | 84 | 0.481 | 2 | 8 | 42 | 1453.7 | 1502 | 173 | 550 | 980 | 9.30 | 3.41 | 6.07 |
| CHC | 4.29 | 67 | 95 | 0.414 | 11 | 9 | 23 | 1441.3 | 1373 | 167 | 606 | 1333 | 8.57 | 3.78 | 8.32 |
| FLA | 4.36 | 79 | 83 | 0.488 | 11 | 12 | 36 | 1456.3 | 1449 | 151 | 631 | 1104 | 8.95 | 3.90 | 6.82 |
| SDP | 4.62 | 66 | 96 | 0.407 | 5 | 10 | 40 | 1436.3 | 1522 | 177 | 582 | 1108 | 9.54 | 3.65 | 6.94 |
| MIL | 4.73 | 56 | 106 | 0.346 | 7 | 4 | 32 | 1432.3 | 1468 | 199 | 666 | 1026 | 9.22 | 4.18 | 6.45 |
| COL | 5.20 | 73 | 89 | 0.451 | 1 | 8 | 43 | 1426.7 | 1554 | 225 | 582 | 920 | 9.80 | 3.67 | 5.80 |
2001 - American League
| 2001 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SEA | 3.54 | 116 | 46 | 0.716 | 8 | 14 | 56 | 1465.0 | 1293 | 160 | 465 | 1051 | 7.94 | 2.86 | 6.46 |
| OAK | 3.59 | 102 | 60 | 0.630 | 13 | 9 | 44 | 1463.3 | 1384 | 153 | 440 | 1117 | 8.51 | 2.71 | 6.87 |
| NYY | 4.02 | 95 | 65 | 0.590 | 7 | 9 | 57 | 1451.3 | 1429 | 158 | 465 | 1266 | 8.86 | 2.88 | 7.85 |
| BOS | 4.15 | 82 | 79 | 0.509 | 3 | 9 | 48 | 1448.0 | 1412 | 146 | 544 | 1259 | 8.78 | 3.38 | 7.83 |
| ANA | 4.20 | 75 | 87 | 0.463 | 6 | 1 | 43 | 1437.7 | 1452 | 168 | 525 | 947 | 9.09 | 3.29 | 5.93 |
| TOR | 4.28 | 80 | 82 | 0.494 | 7 | 10 | 41 | 1462.7 | 1553 | 165 | 490 | 1041 | 9.56 | 3.01 | 6.41 |
| MIN | 4.51 | 85 | 77 | 0.525 | 12 | 8 | 45 | 1441.3 | 1494 | 192 | 445 | 965 | 9.33 | 2.78 | 6.03 |
| CHW | 4.55 | 83 | 79 | 0.512 | 8 | 7 | 51 | 1433.3 | 1465 | 181 | 500 | 921 | 9.20 | 3.14 | 5.78 |
| CLE | 4.64 | 91 | 71 | 0.562 | 3 | 4 | 42 | 1446.7 | 1512 | 148 | 573 | 1218 | 9.41 | 3.56 | 7.58 |
| BAL | 4.67 | 63 | 98 | 0.389 | 10 | 6 | 31 | 1432.3 | 1504 | 194 | 528 | 938 | 9.45 | 3.32 | 5.89 |
| KCR | 4.87 | 65 | 97 | 0.401 | 5 | 1 | 30 | 1440.0 | 1537 | 209 | 576 | 911 | 9.61 | 3.60 | 5.69 |
| TBD | 4.94 | 62 | 100 | 0.383 | 1 | 6 | 30 | 1423.7 | 1513 | 207 | 569 | 1030 | 9.56 | 3.60 | 6.51 |
| DET | 5.01 | 66 | 96 | 0.407 | 16 | 2 | 34 | 1429.3 | 1624 | 180 | 553 | 859 | 10.23 | 3.48 | 5.41 |
| TEX | 5.71 | 73 | 89 | 0.451 | 4 | 3 | 37 | 1438.3 | 1670 | 222 | 596 | 951 | 10.45 | 3.73 | 5.95 |
2001 - National League
| 2001 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.59 | 88 | 74 | 0.543 | 5 | 13 | 41 | 1447.3 | 1363 | 153 | 499 | 1133 | 8.48 | 3.10 | 7.05 |
| ARI | 3.87 | 92 | 70 | 0.568 | 12 | 13 | 34 | 1459.7 | 1352 | 195 | 461 | 1297 | 8.34 | 2.84 | 8.00 |
| STL | 3.93 | 93 | 69 | 0.574 | 8 | 11 | 38 | 1435.3 | 1389 | 196 | 526 | 1083 | 8.71 | 3.30 | 6.79 |
| CHC | 4.03 | 88 | 74 | 0.543 | 8 | 6 | 41 | 1437.0 | 1357 | 164 | 550 | 1344 | 8.50 | 3.44 | 8.42 |
| NYM | 4.07 | 82 | 80 | 0.506 | 6 | 14 | 48 | 1445.7 | 1418 | 186 | 438 | 1191 | 8.83 | 2.73 | 7.41 |
| PHI | 4.15 | 86 | 76 | 0.531 | 8 | 7 | 47 | 1445.3 | 1417 | 170 | 527 | 1086 | 8.82 | 3.28 | 6.76 |
| SFG | 4.18 | 90 | 72 | 0.556 | 3 | 8 | 47 | 1463.3 | 1437 | 145 | 579 | 1080 | 8.84 | 3.56 | 6.64 |
| LAD | 4.25 | 86 | 76 | 0.531 | 3 | 5 | 46 | 1450.7 | 1387 | 184 | 524 | 1212 | 8.60 | 3.25 | 7.52 |
| FLA | 4.32 | 76 | 86 | 0.469 | 5 | 11 | 32 | 1438.0 | 1397 | 151 | 617 | 1119 | 8.74 | 3.86 | 7.00 |
| HOU | 4.37 | 93 | 69 | 0.574 | 7 | 6 | 48 | 1454.7 | 1453 | 221 | 486 | 1228 | 8.99 | 3.01 | 7.60 |
| SDP | 4.52 | 79 | 83 | 0.488 | 5 | 6 | 46 | 1440.7 | 1519 | 219 | 476 | 1088 | 9.49 | 2.97 | 6.80 |
| MIL | 4.64 | 68 | 94 | 0.420 | 3 | 8 | 28 | 1436.3 | 1452 | 197 | 667 | 1057 | 9.10 | 4.18 | 6.62 |
| WSN | 4.68 | 68 | 94 | 0.420 | 5 | 11 | 28 | 1431.3 | 1509 | 190 | 525 | 1103 | 9.49 | 3.30 | 6.94 |
| CIN | 4.77 | 66 | 96 | 0.407 | 2 | 2 | 35 | 1442.7 | 1572 | 198 | 515 | 943 | 9.81 | 3.21 | 5.88 |
| PIT | 5.05 | 62 | 100 | 0.383 | 8 | 9 | 36 | 1416.3 | 1493 | 167 | 549 | 908 | 9.49 | 3.49 | 5.77 |
| COL | 5.29 | 73 | 89 | 0.451 | 8 | 8 | 26 | 1430.0 | 1522 | 239 | 598 | 1058 | 9.58 | 3.76 | 6.66 |
2000 - American League
| 2000 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BOS | 4.23 | 85 | 77 | 0.525 | 7 | 12 | 46 | 1452.3 | 1433 | 173 | 499 | 1121 | 8.88 | 3.09 | 6.95 |
| SEA | 4.50 | 91 | 71 | 0.562 | 4 | 10 | 44 | 1441.3 | 1442 | 167 | 634 | 998 | 9.00 | 3.96 | 6.23 |
| OAK | 4.58 | 91 | 70 | 0.565 | 7 | 11 | 43 | 1435.0 | 1535 | 158 | 615 | 963 | 9.63 | 3.86 | 6.04 |
| CHW | 4.66 | 95 | 67 | 0.586 | 5 | 7 | 43 | 1450.0 | 1509 | 195 | 614 | 1037 | 9.37 | 3.81 | 6.44 |
| DET | 4.71 | 79 | 83 | 0.488 | 6 | 6 | 44 | 1443.0 | 1583 | 177 | 496 | 978 | 9.87 | 3.09 | 6.10 |
| NYY | 4.76 | 87 | 74 | 0.540 | 9 | 6 | 40 | 1424.0 | 1458 | 177 | 577 | 1040 | 9.21 | 3.65 | 6.57 |
| CLE | 4.84 | 90 | 72 | 0.556 | 6 | 5 | 34 | 1442.0 | 1511 | 173 | 666 | 1213 | 9.43 | 4.16 | 7.57 |
| TBD | 4.86 | 69 | 92 | 0.429 | 10 | 8 | 38 | 1431.0 | 1553 | 198 | 533 | 955 | 9.77 | 3.35 | 6.01 |
| ANA | 5.00 | 82 | 80 | 0.506 | 5 | 3 | 46 | 1448.0 | 1534 | 228 | 662 | 846 | 9.53 | 4.11 | 5.26 |
| TOR | 5.14 | 83 | 79 | 0.512 | 15 | 4 | 37 | 1437.0 | 1615 | 195 | 560 | 978 | 10.11 | 3.51 | 6.13 |
| MIN | 5.15 | 69 | 93 | 0.426 | 6 | 4 | 35 | 1432.3 | 1634 | 212 | 516 | 1042 | 10.27 | 3.24 | 6.55 |
| BAL | 5.37 | 74 | 88 | 0.457 | 14 | 6 | 33 | 1433.0 | 1547 | 202 | 665 | 1017 | 9.72 | 4.18 | 6.39 |
| KCR | 5.48 | 77 | 85 | 0.475 | 10 | 6 | 29 | 1439.0 | 1585 | 239 | 693 | 927 | 9.91 | 4.33 | 5.80 |
| TEX | 5.52 | 71 | 91 | 0.438 | 3 | 4 | 39 | 1429.0 | 1683 | 202 | 661 | 918 | 10.60 | 4.16 | 5.78 |
2000 - National League
| 2000 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 4.05 | 95 | 67 | 0.586 | 13 | 9 | 53 | 1440.0 | 1428 | 165 | 484 | 1093 | 8.93 | 3.03 | 6.83 |
| LAD | 4.10 | 86 | 76 | 0.531 | 9 | 11 | 36 | 1445.0 | 1379 | 176 | 600 | 1154 | 8.59 | 3.74 | 7.19 |
| NYM | 4.16 | 94 | 68 | 0.580 | 8 | 10 | 49 | 1450.0 | 1398 | 164 | 574 | 1164 | 8.68 | 3.56 | 7.22 |
| SFG | 4.21 | 97 | 65 | 0.599 | 9 | 15 | 47 | 1444.0 | 1452 | 151 | 623 | 1076 | 9.05 | 3.88 | 6.71 |
| CIN | 4.33 | 85 | 77 | 0.521 | 8 | 7 | 42 | 1456.0 | 1446 | 190 | 659 | 1015 | 8.94 | 4.07 | 6.27 |
| ARI | 4.35 | 85 | 77 | 0.525 | 16 | 8 | 38 | 1443.3 | 1441 | 190 | 500 | 1220 | 8.99 | 3.12 | 7.61 |
| STL | 4.38 | 95 | 67 | 0.586 | 10 | 7 | 37 | 1433.3 | 1403 | 196 | 606 | 1100 | 8.81 | 3.81 | 6.91 |
| SDP | 4.52 | 76 | 86 | 0.469 | 5 | 5 | 46 | 1459.0 | 1443 | 191 | 649 | 1071 | 8.90 | 4.00 | 6.61 |
| FLA | 4.59 | 79 | 82 | 0.491 | 5 | 4 | 48 | 1429.3 | 1477 | 169 | 650 | 1051 | 9.30 | 4.09 | 6.62 |
| MIL | 4.64 | 73 | 89 | 0.448 | 2 | 7 | 29 | 1466.0 | 1501 | 174 | 728 | 967 | 9.21 | 4.47 | 5.94 |
| PHI | 4.77 | 65 | 97 | 0.401 | 8 | 6 | 34 | 1438.3 | 1458 | 201 | 640 | 1123 | 9.12 | 4.00 | 7.03 |
| PIT | 4.93 | 69 | 93 | 0.426 | 5 | 7 | 27 | 1449.0 | 1554 | 163 | 711 | 1070 | 9.65 | 4.42 | 6.65 |
| WSN | 5.13 | 67 | 95 | 0.414 | 4 | 7 | 39 | 1424.3 | 1575 | 181 | 579 | 1011 | 9.95 | 3.66 | 6.39 |
| CHC | 5.25 | 65 | 97 | 0.401 | 10 | 5 | 39 | 1454.3 | 1505 | 231 | 658 | 1143 | 9.31 | 4.07 | 7.07 |
| COL | 5.26 | 82 | 80 | 0.506 | 7 | 2 | 33 | 1430.0 | 1568 | 221 | 588 | 1001 | 9.87 | 3.70 | 6.30 |
| HOU | 5.41 | 72 | 90 | 0.444 | 8 | 2 | 30 | 1437.3 | 1596 | 234 | 598 | 1064 | 9.99 | 3.74 | 6.66 |
1999 - American League
| 1999 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BOS | 4.00 | 94 | 68 | 0.580 | 6 | 12 | 50 | 1436.3 | 1396 | 160 | 469 | 1131 | 8.75 | 2.94 | 7.09 |
| NYY | 4.13 | 98 | 64 | 0.605 | 6 | 10 | 50 | 1439.3 | 1402 | 158 | 581 | 1111 | 8.77 | 3.63 | 6.95 |
| OAK | 4.69 | 87 | 75 | 0.537 | 6 | 5 | 48 | 1438.0 | 1537 | 160 | 569 | 967 | 9.62 | 3.56 | 6.05 |
| BAL | 4.77 | 78 | 84 | 0.481 | 17 | 11 | 33 | 1435.0 | 1468 | 198 | 647 | 982 | 9.21 | 4.06 | 6.16 |
| ANA | 4.79 | 70 | 92 | 0.432 | 4 | 7 | 37 | 1431.0 | 1472 | 177 | 624 | 877 | 9.26 | 3.92 | 5.52 |
| CLE | 4.90 | 97 | 65 | 0.599 | 3 | 6 | 46 | 1450.0 | 1503 | 197 | 634 | 1120 | 9.33 | 3.94 | 6.95 |
| CHW | 4.92 | 75 | 86 | 0.463 | 6 | 3 | 39 | 1438.0 | 1608 | 210 | 596 | 968 | 10.06 | 3.73 | 6.06 |
| TOR | 4.92 | 84 | 78 | 0.519 | 14 | 9 | 39 | 1438.3 | 1582 | 191 | 575 | 1009 | 9.90 | 3.60 | 6.31 |
| MIN | 5.02 | 63 | 97 | 0.391 | 12 | 8 | 34 | 1423.0 | 1591 | 208 | 487 | 927 | 10.06 | 3.08 | 5.86 |
| TBD | 5.06 | 69 | 93 | 0.426 | 6 | 5 | 45 | 1432.3 | 1606 | 172 | 695 | 1055 | 10.09 | 4.37 | 6.63 |
| TEX | 5.07 | 95 | 67 | 0.586 | 6 | 9 | 47 | 1435.3 | 1626 | 186 | 509 | 979 | 10.20 | 3.19 | 6.14 |
| DET | 5.18 | 69 | 92 | 0.429 | 4 | 6 | 33 | 1420.3 | 1528 | 209 | 583 | 976 | 9.68 | 3.69 | 6.18 |
| SEA | 5.24 | 79 | 83 | 0.488 | 7 | 6 | 40 | 1433.3 | 1613 | 191 | 684 | 980 | 10.13 | 4.29 | 6.15 |
| KCR | 5.35 | 64 | 97 | 0.398 | 11 | 3 | 29 | 1420.3 | 1607 | 202 | 643 | 831 | 10.18 | 4.07 | 5.27 |
1999 - National League
| 1999 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.63 | 103 | 59 | 0.636 | 9 | 9 | 45 | 1471.0 | 1398 | 142 | 507 | 1197 | 8.55 | 3.10 | 7.32 |
| ARI | 3.77 | 100 | 62 | 0.617 | 16 | 9 | 42 | 1467.0 | 1387 | 176 | 543 | 1198 | 8.51 | 3.33 | 7.35 |
| HOU | 3.84 | 97 | 65 | 0.599 | 12 | 8 | 48 | 1458.3 | 1485 | 128 | 478 | 1204 | 9.16 | 2.95 | 7.43 |
| CIN | 3.99 | 96 | 67 | 0.589 | 6 | 11 | 55 | 1461.3 | 1309 | 190 | 636 | 1081 | 8.06 | 3.92 | 6.66 |
| NYM | 4.27 | 97 | 66 | 0.595 | 5 | 7 | 49 | 1456.3 | 1372 | 167 | 617 | 1172 | 8.48 | 3.81 | 7.24 |
| PIT | 4.33 | 78 | 83 | 0.484 | 8 | 3 | 34 | 1432.3 | 1444 | 160 | 633 | 1083 | 9.07 | 3.98 | 6.81 |
| LAD | 4.45 | 77 | 85 | 0.475 | 8 | 6 | 37 | 1452.3 | 1438 | 192 | 594 | 1077 | 8.91 | 3.68 | 6.67 |
| SDP | 4.47 | 74 | 88 | 0.457 | 5 | 6 | 43 | 1420.0 | 1454 | 193 | 529 | 1078 | 9.22 | 3.35 | 6.83 |
| WSN | 4.69 | 68 | 94 | 0.420 | 6 | 4 | 44 | 1434.0 | 1505 | 152 | 572 | 1043 | 9.45 | 3.59 | 6.55 |
| SFG | 4.71 | 86 | 76 | 0.531 | 6 | 3 | 42 | 1456.0 | 1486 | 194 | 655 | 1076 | 9.19 | 4.05 | 6.65 |
| STL | 4.74 | 75 | 86 | 0.466 | 5 | 3 | 38 | 1445.0 | 1519 | 161 | 667 | 1025 | 9.46 | 4.15 | 6.38 |
| FLA | 4.90 | 64 | 98 | 0.395 | 6 | 5 | 33 | 1435.3 | 1560 | 171 | 655 | 943 | 9.78 | 4.11 | 5.91 |
| PHI | 4.93 | 77 | 85 | 0.475 | 11 | 6 | 32 | 1438.0 | 1494 | 212 | 627 | 1030 | 9.35 | 3.92 | 6.45 |
| MIL | 5.07 | 74 | 87 | 0.460 | 2 | 5 | 40 | 1442.3 | 1618 | 213 | 616 | 987 | 10.10 | 3.84 | 6.16 |
| CHC | 5.27 | 67 | 95 | 0.414 | 11 | 6 | 32 | 1430.3 | 1619 | 221 | 529 | 980 | 10.19 | 3.33 | 6.17 |
| COL | 6.02 | 72 | 90 | 0.444 | 12 | 2 | 33 | 1428.3 | 1700 | 237 | 737 | 1032 | 10.71 | 4.64 | 6.50 |
1998 - American League
| 1998 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.82 | 114 | 48 | 0.704 | 22 | 16 | 48 | 1456.3 | 1357 | 156 | 466 | 1080 | 8.39 | 2.88 | 6.67 |
| BOS | 4.19 | 92 | 70 | 0.568 | 5 | 8 | 53 | 1436.0 | 1406 | 168 | 504 | 1025 | 8.81 | 3.16 | 6.42 |
| TOR | 4.29 | 88 | 74 | 0.540 | 10 | 11 | 47 | 1465.0 | 1443 | 169 | 587 | 1154 | 8.86 | 3.61 | 7.09 |
| TBD | 4.35 | 63 | 99 | 0.389 | 7 | 8 | 28 | 1443.0 | 1425 | 171 | 643 | 1008 | 8.89 | 4.01 | 6.29 |
| CLE | 4.45 | 89 | 73 | 0.549 | 9 | 4 | 47 | 1460.0 | 1552 | 171 | 563 | 1037 | 9.57 | 3.47 | 6.39 |
| ANA | 4.49 | 85 | 77 | 0.525 | 3 | 5 | 52 | 1444.0 | 1481 | 164 | 630 | 1091 | 9.23 | 3.93 | 6.80 |
| BAL | 4.73 | 79 | 83 | 0.488 | 16 | 10 | 37 | 1431.0 | 1505 | 169 | 535 | 1065 | 9.47 | 3.36 | 6.70 |
| MIN | 4.76 | 70 | 92 | 0.432 | 7 | 9 | 42 | 1447.3 | 1622 | 180 | 457 | 952 | 10.09 | 2.84 | 5.92 |
| OAK | 4.83 | 74 | 88 | 0.457 | 12 | 4 | 39 | 1434.0 | 1555 | 179 | 529 | 922 | 9.76 | 3.32 | 5.79 |
| DET | 4.93 | 65 | 97 | 0.401 | 9 | 4 | 32 | 1446.0 | 1551 | 185 | 595 | 947 | 9.65 | 3.70 | 5.89 |
| SEA | 4.95 | 76 | 85 | 0.472 | 17 | 7 | 31 | 1424.0 | 1530 | 196 | 528 | 1156 | 9.67 | 3.34 | 7.31 |
| TEX | 5.00 | 88 | 74 | 0.543 | 10 | 8 | 46 | 1431.0 | 1624 | 164 | 519 | 994 | 10.21 | 3.26 | 6.25 |
| KCR | 5.16 | 72 | 89 | 0.447 | 6 | 7 | 46 | 1436.0 | 1590 | 196 | 568 | 999 | 9.97 | 3.56 | 6.26 |
| CHW | 5.24 | 80 | 82 | 0.491 | 8 | 4 | 42 | 1438.3 | 1569 | 211 | 580 | 911 | 9.82 | 3.63 | 5.70 |
1998 - National League
| 1998 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.25 | 106 | 56 | 0.654 | 24 | 23 | 45 | 1438.3 | 1291 | 117 | 467 | 1232 | 8.08 | 2.92 | 7.71 |
| HOU | 3.50 | 102 | 60 | 0.630 | 12 | 11 | 44 | 1471.0 | 1435 | 147 | 465 | 1187 | 8.78 | 2.85 | 7.26 |
| SDP | 3.63 | 98 | 64 | 0.605 | 14 | 11 | 59 | 1454.3 | 1384 | 139 | 501 | 1217 | 8.56 | 3.10 | 7.53 |
| NYM | 3.77 | 88 | 74 | 0.543 | 9 | 16 | 46 | 1458.0 | 1381 | 152 | 532 | 1129 | 8.52 | 3.28 | 6.97 |
| LAD | 3.81 | 83 | 79 | 0.512 | 16 | 10 | 47 | 1447.0 | 1332 | 135 | 587 | 1178 | 8.28 | 3.65 | 7.33 |
| PIT | 3.91 | 69 | 93 | 0.423 | 7 | 10 | 41 | 1449.0 | 1433 | 147 | 530 | 1112 | 8.90 | 3.29 | 6.91 |
| SFG | 4.19 | 89 | 74 | 0.546 | 6 | 6 | 44 | 1477.0 | 1457 | 171 | 562 | 1089 | 8.88 | 3.42 | 6.64 |
| STL | 4.32 | 83 | 79 | 0.509 | 6 | 10 | 44 | 1469.7 | 1513 | 151 | 558 | 972 | 9.27 | 3.42 | 5.95 |
| WSN | 4.39 | 65 | 97 | 0.401 | 4 | 5 | 39 | 1427.0 | 1448 | 156 | 533 | 1017 | 9.13 | 3.36 | 6.41 |
| CIN | 4.44 | 77 | 85 | 0.475 | 6 | 8 | 42 | 1441.0 | 1400 | 170 | 573 | 1098 | 8.74 | 3.58 | 6.86 |
| CHC | 4.50 | 90 | 73 | 0.552 | 7 | 7 | 56 | 1477.0 | 1528 | 180 | 575 | 1207 | 9.31 | 3.50 | 7.35 |
| MIL | 4.63 | 74 | 88 | 0.457 | 2 | 2 | 39 | 1451.0 | 1538 | 188 | 550 | 1063 | 9.54 | 3.41 | 6.59 |
| ARI | 4.64 | 65 | 97 | 0.401 | 7 | 6 | 37 | 1432.0 | 1463 | 188 | 489 | 908 | 9.19 | 3.07 | 5.71 |
| PHI | 4.64 | 75 | 87 | 0.463 | 21 | 11 | 32 | 1463.0 | 1476 | 188 | 544 | 1176 | 9.08 | 3.35 | 7.23 |
| COL | 5.00 | 77 | 85 | 0.475 | 9 | 5 | 36 | 1432.3 | 1583 | 174 | 562 | 951 | 9.95 | 3.53 | 5.98 |
| FLA | 5.20 | 54 | 108 | 0.333 | 11 | 3 | 24 | 1449.3 | 1617 | 182 | 715 | 1016 | 10.04 | 4.44 | 6.31 |
1997 - American League
| 1997 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.84 | 96 | 66 | 0.593 | 11 | 10 | 51 | 1467.0 | 1463 | 144 | 532 | 1165 | 8.98 | 3.26 | 7.15 |
| BAL | 3.91 | 98 | 64 | 0.605 | 8 | 10 | 59 | 1461.0 | 1404 | 164 | 563 | 1139 | 8.65 | 3.47 | 7.02 |
| TOR | 3.92 | 76 | 86 | 0.469 | 19 | 16 | 34 | 1442.0 | 1453 | 167 | 497 | 1150 | 9.07 | 3.10 | 7.18 |
| MIL | 4.22 | 78 | 83 | 0.484 | 6 | 8 | 44 | 1427.3 | 1419 | 177 | 542 | 1012 | 8.95 | 3.42 | 6.38 |
| ANA | 4.52 | 84 | 78 | 0.519 | 9 | 5 | 39 | 1454.0 | 1506 | 202 | 605 | 1050 | 9.32 | 3.74 | 6.50 |
| DET | 4.56 | 79 | 83 | 0.488 | 13 | 8 | 42 | 1445.0 | 1476 | 178 | 552 | 982 | 9.19 | 3.44 | 6.12 |
| TEX | 4.68 | 77 | 85 | 0.475 | 8 | 9 | 33 | 1429.7 | 1598 | 169 | 541 | 925 | 10.06 | 3.41 | 5.82 |
| KCR | 4.71 | 67 | 94 | 0.416 | 11 | 5 | 29 | 1443.0 | 1530 | 186 | 531 | 961 | 9.54 | 3.31 | 5.99 |
| CLE | 4.73 | 86 | 75 | 0.534 | 4 | 3 | 39 | 1425.0 | 1528 | 181 | 575 | 1036 | 9.65 | 3.63 | 6.54 |
| CHW | 4.74 | 80 | 81 | 0.497 | 6 | 7 | 52 | 1422.0 | 1505 | 175 | 575 | 961 | 9.53 | 3.64 | 6.08 |
| SEA | 4.79 | 90 | 72 | 0.556 | 9 | 8 | 38 | 1447.0 | 1500 | 192 | 598 | 1207 | 9.33 | 3.72 | 7.51 |
| BOS | 4.87 | 78 | 84 | 0.481 | 7 | 4 | 40 | 1451.7 | 1567 | 149 | 610 | 987 | 9.71 | 3.78 | 6.12 |
| MIN | 5.02 | 68 | 94 | 0.420 | 10 | 4 | 30 | 1434.0 | 1596 | 187 | 495 | 908 | 10.02 | 3.11 | 5.70 |
| OAK | 5.49 | 65 | 97 | 0.401 | 2 | 1 | 38 | 1445.0 | 1734 | 197 | 642 | 953 | 10.80 | 4.00 | 5.94 |
1997 - National League
| 1997 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.18 | 101 | 61 | 0.623 | 21 | 17 | 37 | 1465.0 | 1319 | 111 | 450 | 1196 | 8.10 | 2.76 | 7.35 |
| LAD | 3.63 | 88 | 74 | 0.543 | 6 | 6 | 45 | 1459.0 | 1325 | 163 | 546 | 1232 | 8.17 | 3.37 | 7.60 |
| HOU | 3.67 | 84 | 78 | 0.519 | 16 | 12 | 37 | 1459.0 | 1379 | 134 | 511 | 1138 | 8.51 | 3.15 | 7.02 |
| FLA | 3.83 | 92 | 70 | 0.568 | 12 | 10 | 39 | 1446.0 | 1353 | 131 | 639 | 1188 | 8.42 | 3.98 | 7.39 |
| STL | 3.90 | 73 | 89 | 0.451 | 5 | 3 | 39 | 1455.7 | 1422 | 124 | 536 | 1130 | 8.79 | 3.31 | 6.99 |
| NYM | 3.95 | 88 | 74 | 0.543 | 7 | 8 | 49 | 1459.0 | 1452 | 160 | 504 | 982 | 8.96 | 3.11 | 6.06 |
| WSN | 4.14 | 78 | 84 | 0.481 | 27 | 14 | 37 | 1447.0 | 1365 | 149 | 557 | 1138 | 8.49 | 3.46 | 7.08 |
| PIT | 4.28 | 79 | 83 | 0.488 | 6 | 8 | 41 | 1436.0 | 1503 | 143 | 560 | 1080 | 9.42 | 3.51 | 6.77 |
| SFG | 4.41 | 90 | 72 | 0.556 | 5 | 9 | 45 | 1446.0 | 1494 | 160 | 578 | 1044 | 9.30 | 3.60 | 6.50 |
| CIN | 4.42 | 76 | 86 | 0.469 | 5 | 8 | 49 | 1449.0 | 1408 | 173 | 558 | 1159 | 8.75 | 3.47 | 7.20 |
| CHC | 4.44 | 68 | 94 | 0.420 | 6 | 4 | 37 | 1429.0 | 1451 | 185 | 590 | 1072 | 9.14 | 3.72 | 6.75 |
| PHI | 4.87 | 68 | 94 | 0.420 | 13 | 7 | 35 | 1420.0 | 1441 | 171 | 616 | 1209 | 9.13 | 3.90 | 7.66 |
| SDP | 4.99 | 76 | 86 | 0.469 | 5 | 2 | 43 | 1450.0 | 1581 | 172 | 596 | 1059 | 9.81 | 3.70 | 6.57 |
| COL | 5.25 | 83 | 79 | 0.512 | 9 | 5 | 38 | 1432.0 | 1697 | 196 | 566 | 870 | 10.67 | 3.56 | 5.47 |
1996 - American League
| 1996 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 4.35 | 99 | 62 | 0.615 | 13 | 9 | 46 | 1452.0 | 1530 | 173 | 484 | 1033 | 9.48 | 3.00 | 6.40 |
| CHW | 4.53 | 85 | 77 | 0.525 | 7 | 5 | 43 | 1461.0 | 1529 | 174 | 616 | 1039 | 9.42 | 3.79 | 6.40 |
| KCR | 4.55 | 75 | 86 | 0.466 | 17 | 8 | 35 | 1450.0 | 1563 | 176 | 460 | 926 | 9.70 | 2.86 | 5.75 |
| TOR | 4.58 | 74 | 88 | 0.457 | 19 | 7 | 35 | 1445.0 | 1476 | 187 | 610 | 1033 | 9.19 | 3.80 | 6.43 |
| NYY | 4.65 | 92 | 70 | 0.568 | 6 | 9 | 52 | 1440.0 | 1469 | 143 | 610 | 1139 | 9.18 | 3.81 | 7.12 |
| TEX | 4.66 | 90 | 72 | 0.552 | 19 | 6 | 43 | 1449.0 | 1569 | 168 | 582 | 976 | 9.75 | 3.61 | 6.06 |
| BOS | 5.00 | 85 | 77 | 0.525 | 17 | 5 | 37 | 1458.0 | 1606 | 185 | 722 | 1165 | 9.91 | 4.46 | 7.19 |
| BAL | 5.15 | 88 | 74 | 0.540 | 13 | 2 | 44 | 1468.0 | 1604 | 209 | 597 | 1047 | 9.83 | 3.66 | 6.42 |
| MIL | 5.17 | 80 | 82 | 0.494 | 6 | 5 | 42 | 1447.0 | 1570 | 213 | 635 | 846 | 9.77 | 3.95 | 5.26 |
| OAK | 5.20 | 78 | 84 | 0.481 | 7 | 5 | 34 | 1456.0 | 1638 | 205 | 644 | 884 | 10.12 | 3.98 | 5.46 |
| SEA | 5.21 | 85 | 76 | 0.528 | 4 | 4 | 34 | 1431.0 | 1562 | 216 | 605 | 1000 | 9.82 | 3.81 | 6.29 |
| MIN | 5.30 | 78 | 84 | 0.481 | 13 | 5 | 31 | 1439.0 | 1561 | 233 | 581 | 959 | 9.76 | 3.63 | 6.00 |
| ANA | 5.31 | 70 | 91 | 0.435 | 12 | 8 | 38 | 1439.0 | 1546 | 219 | 662 | 1052 | 9.67 | 4.14 | 6.58 |
| DET | 6.38 | 53 | 109 | 0.327 | 10 | 4 | 22 | 1432.0 | 1699 | 241 | 784 | 957 | 10.68 | 4.93 | 6.01 |
1996 - National League
| 1996 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.48 | 90 | 72 | 0.556 | 6 | 9 | 50 | 1466.0 | 1378 | 125 | 534 | 1212 | 8.46 | 3.28 | 7.44 |
| ATL | 3.54 | 96 | 66 | 0.593 | 14 | 9 | 46 | 1469.0 | 1372 | 120 | 451 | 1245 | 8.41 | 2.76 | 7.63 |
| SDP | 3.73 | 91 | 71 | 0.562 | 5 | 11 | 47 | 1489.0 | 1395 | 138 | 506 | 1194 | 8.43 | 3.06 | 7.22 |
| WSN | 3.78 | 88 | 74 | 0.543 | 11 | 7 | 43 | 1441.3 | 1353 | 152 | 482 | 1206 | 8.45 | 3.01 | 7.53 |
| FLA | 3.95 | 80 | 82 | 0.494 | 8 | 13 | 41 | 1443.0 | 1386 | 113 | 598 | 1050 | 8.64 | 3.73 | 6.55 |
| STL | 3.98 | 88 | 74 | 0.543 | 13 | 11 | 43 | 1452.0 | 1380 | 173 | 539 | 1050 | 8.55 | 3.34 | 6.51 |
| NYM | 4.22 | 71 | 91 | 0.438 | 10 | 10 | 41 | 1440.0 | 1517 | 159 | 532 | 999 | 9.48 | 3.33 | 6.24 |
| CIN | 4.33 | 81 | 81 | 0.500 | 6 | 8 | 52 | 1443.0 | 1447 | 167 | 591 | 1089 | 9.02 | 3.69 | 6.79 |
| CHC | 4.36 | 76 | 86 | 0.469 | 10 | 11 | 34 | 1456.0 | 1447 | 184 | 546 | 1027 | 8.94 | 3.38 | 6.35 |
| HOU | 4.38 | 82 | 80 | 0.506 | 13 | 4 | 35 | 1447.0 | 1541 | 154 | 539 | 1163 | 9.58 | 3.35 | 7.23 |
| PHI | 4.49 | 67 | 95 | 0.414 | 12 | 6 | 42 | 1423.0 | 1463 | 160 | 510 | 1044 | 9.25 | 3.23 | 6.60 |
| PIT | 4.64 | 73 | 89 | 0.451 | 5 | 7 | 37 | 1453.3 | 1602 | 183 | 479 | 1044 | 9.92 | 2.97 | 6.47 |
| SFG | 4.72 | 68 | 94 | 0.420 | 9 | 8 | 35 | 1442.0 | 1520 | 194 | 570 | 997 | 9.49 | 3.56 | 6.22 |
| COL | 5.60 | 83 | 79 | 0.512 | 5 | 5 | 34 | 1422.0 | 1597 | 198 | 624 | 932 | 10.11 | 3.95 | 5.90 |
1995 - American League
| 1995 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.83 | 100 | 44 | 0.694 | 10 | 10 | 50 | 1301.0 | 1261 | 135 | 445 | 926 | 8.72 | 3.08 | 6.41 |
| BAL | 4.31 | 71 | 73 | 0.493 | 19 | 10 | 29 | 1267.0 | 1165 | 149 | 523 | 930 | 8.28 | 3.72 | 6.61 |
| BOS | 4.39 | 86 | 58 | 0.597 | 7 | 9 | 39 | 1292.0 | 1338 | 127 | 476 | 888 | 9.32 | 3.32 | 6.19 |
| KCR | 4.49 | 70 | 74 | 0.486 | 11 | 10 | 37 | 1288.0 | 1323 | 142 | 503 | 763 | 9.24 | 3.51 | 5.33 |
| SEA | 4.50 | 79 | 66 | 0.545 | 9 | 8 | 39 | 1289.3 | 1343 | 149 | 591 | 1068 | 9.37 | 4.13 | 7.46 |
| ANA | 4.52 | 78 | 67 | 0.538 | 8 | 9 | 42 | 1284.0 | 1310 | 163 | 486 | 901 | 9.18 | 3.41 | 6.32 |
| NYY | 4.56 | 79 | 65 | 0.545 | 18 | 5 | 35 | 1284.0 | 1286 | 159 | 535 | 908 | 9.01 | 3.75 | 6.36 |
| TEX | 4.66 | 74 | 70 | 0.514 | 14 | 4 | 34 | 1285.0 | 1385 | 152 | 514 | 838 | 9.70 | 3.60 | 5.87 |
| MIL | 4.82 | 65 | 79 | 0.451 | 7 | 4 | 31 | 1286.0 | 1391 | 146 | 603 | 699 | 9.73 | 4.22 | 4.89 |
| CHW | 4.85 | 68 | 76 | 0.469 | 12 | 4 | 36 | 1284.0 | 1374 | 164 | 617 | 892 | 9.63 | 4.32 | 6.25 |
| TOR | 4.88 | 56 | 88 | 0.389 | 16 | 8 | 22 | 1292.0 | 1336 | 145 | 654 | 894 | 9.31 | 4.56 | 6.23 |
| OAK | 4.93 | 67 | 77 | 0.465 | 8 | 4 | 34 | 1273.0 | 1320 | 153 | 556 | 890 | 9.33 | 3.93 | 6.29 |
| DET | 5.49 | 60 | 84 | 0.417 | 5 | 3 | 38 | 1275.0 | 1509 | 170 | 536 | 729 | 10.65 | 3.78 | 5.15 |
| MIN | 5.76 | 56 | 88 | 0.389 | 7 | 2 | 27 | 1272.0 | 1450 | 210 | 533 | 790 | 10.26 | 3.77 | 5.59 |
1995 - National League
| 1995 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.44 | 90 | 54 | 0.625 | 18 | 11 | 34 | 1291.0 | 1184 | 107 | 436 | 1087 | 8.25 | 3.04 | 7.58 |
| LAD | 3.66 | 78 | 66 | 0.542 | 16 | 11 | 37 | 1295.0 | 1188 | 125 | 462 | 1060 | 8.26 | 3.21 | 7.37 |
| NYM | 3.88 | 69 | 75 | 0.479 | 9 | 9 | 36 | 1291.0 | 1296 | 133 | 401 | 901 | 9.03 | 2.80 | 6.28 |
| CIN | 4.03 | 85 | 59 | 0.590 | 8 | 10 | 38 | 1289.0 | 1270 | 131 | 424 | 903 | 8.87 | 2.96 | 6.30 |
| HOU | 4.06 | 76 | 68 | 0.528 | 6 | 8 | 32 | 1320.0 | 1357 | 118 | 460 | 1056 | 9.25 | 3.14 | 7.20 |
| STL | 4.09 | 62 | 81 | 0.434 | 4 | 6 | 38 | 1265.0 | 1290 | 135 | 445 | 842 | 9.18 | 3.17 | 5.99 |
| WSN | 4.11 | 66 | 78 | 0.458 | 7 | 9 | 42 | 1283.0 | 1286 | 128 | 416 | 950 | 9.02 | 2.92 | 6.66 |
| CHC | 4.13 | 73 | 71 | 0.507 | 6 | 12 | 45 | 1301.0 | 1313 | 162 | 518 | 926 | 9.08 | 3.58 | 6.41 |
| SDP | 4.13 | 70 | 74 | 0.486 | 6 | 10 | 35 | 1284.0 | 1242 | 142 | 512 | 1047 | 8.71 | 3.59 | 7.34 |
| PHI | 4.21 | 69 | 75 | 0.479 | 8 | 8 | 41 | 1290.0 | 1241 | 134 | 538 | 980 | 8.66 | 3.75 | 6.84 |
| FLA | 4.27 | 67 | 76 | 0.469 | 12 | 7 | 29 | 1286.0 | 1299 | 139 | 562 | 994 | 9.09 | 3.93 | 6.96 |
| PIT | 4.70 | 58 | 86 | 0.403 | 11 | 7 | 29 | 1275.0 | 1407 | 130 | 477 | 871 | 9.93 | 3.37 | 6.15 |
| SFG | 4.86 | 67 | 77 | 0.465 | 12 | 5 | 34 | 1293.0 | 1368 | 173 | 505 | 801 | 9.52 | 3.52 | 5.58 |
| COL | 4.97 | 77 | 67 | 0.535 | 1 | 1 | 43 | 1288.0 | 1443 | 160 | 512 | 891 | 10.08 | 3.58 | 6.23 |
1994 - American League
| 1994 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 3.95 | 67 | 46 | 0.593 | 13 | 6 | 20 | 1011.3 | 964 | 115 | 377 | 754 | 8.58 | 3.36 | 6.71 |
| KCR | 4.23 | 64 | 51 | 0.557 | 5 | 3 | 38 | 1031.0 | 1018 | 95 | 392 | 717 | 8.89 | 3.42 | 6.26 |
| BAL | 4.31 | 63 | 49 | 0.562 | 13 | 3 | 37 | 997.0 | 1005 | 131 | 351 | 666 | 9.07 | 3.17 | 6.01 |
| NYY | 4.34 | 70 | 43 | 0.619 | 8 | 0 | 31 | 1019.0 | 1045 | 120 | 398 | 656 | 9.23 | 3.52 | 5.79 |
| CLE | 4.36 | 66 | 47 | 0.584 | 17 | 5 | 21 | 1018.0 | 1097 | 94 | 404 | 666 | 9.70 | 3.57 | 5.89 |
| MIL | 4.62 | 53 | 62 | 0.461 | 11 | 1 | 23 | 1036.0 | 1071 | 127 | 421 | 577 | 9.30 | 3.66 | 5.01 |
| TOR | 4.70 | 55 | 60 | 0.478 | 13 | 4 | 26 | 1025.0 | 1053 | 127 | 482 | 832 | 9.25 | 4.23 | 7.31 |
| OAK | 4.82 | 51 | 63 | 0.447 | 12 | 3 | 23 | 1003.0 | 979 | 128 | 510 | 732 | 8.78 | 4.58 | 6.57 |
| BOS | 4.93 | 54 | 61 | 0.470 | 6 | 1 | 30 | 1029.0 | 1104 | 120 | 450 | 729 | 9.66 | 3.94 | 6.38 |
| SEA | 4.99 | 49 | 63 | 0.438 | 13 | 4 | 21 | 984.0 | 1051 | 109 | 486 | 763 | 9.61 | 4.45 | 6.98 |
| DET | 5.38 | 53 | 62 | 0.461 | 15 | 1 | 20 | 1018.0 | 1139 | 148 | 449 | 560 | 10.07 | 3.97 | 4.95 |
| ANA | 5.42 | 47 | 68 | 0.409 | 11 | 3 | 21 | 1027.0 | 1149 | 150 | 436 | 682 | 10.07 | 3.82 | 5.98 |
| TEX | 5.45 | 52 | 62 | 0.456 | 10 | 3 | 26 | 1023.0 | 1176 | 157 | 394 | 683 | 10.35 | 3.47 | 6.01 |
| MIN | 5.68 | 53 | 60 | 0.469 | 6 | 2 | 29 | 1005.0 | 1197 | 153 | 388 | 602 | 10.72 | 3.47 | 5.39 |
1994 - National League
| 1994 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| WSN | 3.56 | 74 | 40 | 0.649 | 4 | 2 | 46 | 1036.0 | 970 | 100 | 288 | 805 | 8.43 | 2.50 | 6.99 |
| ATL | 3.57 | 68 | 46 | 0.596 | 16 | 4 | 26 | 1026.0 | 929 | 76 | 378 | 865 | 8.15 | 3.32 | 7.59 |
| CIN | 3.78 | 66 | 48 | 0.574 | 6 | 2 | 27 | 1038.0 | 1037 | 117 | 339 | 799 | 8.99 | 2.94 | 6.93 |
| PHI | 3.85 | 54 | 61 | 0.470 | 7 | 1 | 30 | 1024.0 | 1028 | 98 | 377 | 699 | 9.04 | 3.31 | 6.14 |
| HOU | 3.97 | 66 | 49 | 0.574 | 9 | 3 | 29 | 1029.0 | 1043 | 102 | 367 | 739 | 9.12 | 3.21 | 6.46 |
| SFG | 3.99 | 55 | 60 | 0.478 | 2 | 0 | 33 | 1025.0 | 1014 | 122 | 372 | 655 | 8.90 | 3.27 | 5.75 |
| SDP | 4.08 | 47 | 70 | 0.402 | 8 | 3 | 27 | 1045.0 | 1008 | 99 | 393 | 862 | 8.68 | 3.38 | 7.42 |
| NYM | 4.13 | 55 | 58 | 0.487 | 7 | 2 | 35 | 1023.0 | 1069 | 117 | 332 | 640 | 9.40 | 2.92 | 5.63 |
| LAD | 4.23 | 58 | 56 | 0.509 | 14 | 4 | 20 | 1014.0 | 1041 | 90 | 354 | 732 | 9.24 | 3.14 | 6.50 |
| CHC | 4.47 | 49 | 64 | 0.434 | 5 | 1 | 27 | 1023.0 | 1054 | 120 | 392 | 717 | 9.27 | 3.45 | 6.31 |
| FLA | 4.50 | 51 | 64 | 0.443 | 5 | 3 | 30 | 1015.0 | 1069 | 120 | 428 | 649 | 9.48 | 3.80 | 5.75 |
| PIT | 4.64 | 53 | 61 | 0.465 | 8 | 1 | 24 | 1005.0 | 1094 | 117 | 370 | 650 | 9.80 | 3.31 | 5.82 |
| STL | 5.14 | 53 | 61 | 0.461 | 7 | 3 | 29 | 1018.0 | 1154 | 134 | 355 | 632 | 10.20 | 3.14 | 5.59 |
| COL | 5.15 | 53 | 64 | 0.453 | 4 | 1 | 28 | 1031.0 | 1185 | 120 | 448 | 703 | 10.34 | 3.91 | 6.14 |
1993 - American League
| 1993 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 3.70 | 94 | 68 | 0.580 | 16 | 11 | 48 | 1454.0 | 1398 | 125 | 566 | 974 | 8.65 | 3.50 | 6.03 |
| BOS | 3.77 | 80 | 82 | 0.494 | 9 | 11 | 44 | 1452.0 | 1379 | 127 | 552 | 997 | 8.55 | 3.42 | 6.18 |
| KCR | 4.04 | 84 | 78 | 0.519 | 16 | 6 | 48 | 1445.0 | 1379 | 105 | 571 | 985 | 8.59 | 3.56 | 6.13 |
| SEA | 4.20 | 82 | 80 | 0.506 | 22 | 10 | 41 | 1453.0 | 1421 | 135 | 605 | 1083 | 8.80 | 3.75 | 6.71 |
| TOR | 4.21 | 95 | 67 | 0.586 | 11 | 11 | 50 | 1441.0 | 1441 | 134 | 620 | 1023 | 9.00 | 3.87 | 6.39 |
| TEX | 4.28 | 86 | 76 | 0.531 | 20 | 6 | 45 | 1438.0 | 1476 | 144 | 562 | 957 | 9.24 | 3.52 | 5.99 |
| BAL | 4.31 | 85 | 77 | 0.525 | 21 | 10 | 42 | 1442.0 | 1427 | 153 | 579 | 900 | 8.91 | 3.61 | 5.62 |
| ANA | 4.34 | 71 | 91 | 0.438 | 26 | 6 | 41 | 1430.0 | 1482 | 153 | 550 | 843 | 9.33 | 3.46 | 5.31 |
| NYY | 4.35 | 88 | 74 | 0.543 | 11 | 13 | 38 | 1438.0 | 1467 | 170 | 552 | 899 | 9.18 | 3.45 | 5.63 |
| MIL | 4.45 | 69 | 93 | 0.426 | 26 | 6 | 29 | 1447.0 | 1511 | 153 | 522 | 810 | 9.40 | 3.25 | 5.04 |
| CLE | 4.58 | 76 | 86 | 0.469 | 7 | 8 | 45 | 1445.0 | 1591 | 182 | 591 | 888 | 9.91 | 3.68 | 5.53 |
| DET | 4.65 | 85 | 77 | 0.525 | 11 | 7 | 36 | 1436.0 | 1547 | 188 | 542 | 828 | 9.70 | 3.40 | 5.19 |
| MIN | 4.71 | 71 | 91 | 0.438 | 5 | 3 | 44 | 1444.0 | 1591 | 148 | 514 | 901 | 9.92 | 3.20 | 5.62 |
| OAK | 4.90 | 68 | 94 | 0.420 | 8 | 2 | 42 | 1452.0 | 1551 | 157 | 680 | 864 | 9.61 | 4.21 | 5.36 |
1993 - National League
| 1993 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.14 | 104 | 58 | 0.642 | 18 | 16 | 46 | 1455.0 | 1297 | 101 | 480 | 1036 | 8.02 | 2.97 | 6.41 |
| HOU | 3.49 | 85 | 77 | 0.525 | 18 | 14 | 42 | 1441.0 | 1363 | 117 | 476 | 1056 | 8.51 | 2.97 | 6.60 |
| LAD | 3.50 | 81 | 81 | 0.500 | 17 | 9 | 36 | 1472.0 | 1406 | 103 | 567 | 1043 | 8.60 | 3.47 | 6.38 |
| WSN | 3.55 | 94 | 68 | 0.577 | 8 | 7 | 61 | 1456.0 | 1369 | 119 | 521 | 934 | 8.46 | 3.22 | 5.77 |
| SFG | 3.61 | 103 | 59 | 0.636 | 4 | 9 | 50 | 1456.0 | 1385 | 168 | 442 | 982 | 8.56 | 2.73 | 6.07 |
| PHI | 3.95 | 97 | 65 | 0.599 | 24 | 11 | 46 | 1472.0 | 1419 | 129 | 573 | 1117 | 8.68 | 3.50 | 6.83 |
| NYM | 4.05 | 59 | 103 | 0.364 | 16 | 8 | 22 | 1438.0 | 1483 | 139 | 434 | 867 | 9.28 | 2.72 | 5.43 |
| STL | 4.09 | 87 | 75 | 0.537 | 5 | 7 | 54 | 1453.0 | 1553 | 152 | 383 | 775 | 9.62 | 2.37 | 4.80 |
| FLA | 4.13 | 64 | 98 | 0.395 | 4 | 5 | 48 | 1440.0 | 1437 | 135 | 598 | 945 | 8.98 | 3.74 | 5.91 |
| CHC | 4.18 | 84 | 78 | 0.515 | 8 | 5 | 56 | 1449.0 | 1514 | 153 | 470 | 905 | 9.40 | 2.92 | 5.62 |
| SDP | 4.23 | 61 | 101 | 0.377 | 8 | 6 | 32 | 1437.0 | 1470 | 148 | 558 | 957 | 9.21 | 3.49 | 5.99 |
| CIN | 4.51 | 73 | 89 | 0.451 | 11 | 8 | 37 | 1434.0 | 1510 | 158 | 508 | 996 | 9.48 | 3.19 | 6.25 |
| PIT | 4.77 | 75 | 87 | 0.463 | 12 | 5 | 34 | 1445.0 | 1557 | 153 | 485 | 832 | 9.70 | 3.02 | 5.18 |
| COL | 5.41 | 67 | 95 | 0.414 | 9 | 0 | 35 | 1431.0 | 1664 | 181 | 609 | 913 | 10.47 | 3.83 | 5.74 |
1992 - American League
| 1992 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIL | 3.43 | 92 | 70 | 0.568 | 19 | 14 | 39 | 1457.0 | 1344 | 127 | 435 | 793 | 8.30 | 2.69 | 4.90 |
| BOS | 3.58 | 73 | 89 | 0.451 | 22 | 13 | 39 | 1448.0 | 1403 | 107 | 535 | 943 | 8.72 | 3.33 | 5.86 |
| MIN | 3.70 | 90 | 72 | 0.556 | 16 | 13 | 50 | 1453.0 | 1391 | 121 | 479 | 923 | 8.62 | 2.97 | 5.72 |
| OAK | 3.73 | 96 | 66 | 0.593 | 8 | 9 | 58 | 1447.0 | 1396 | 129 | 601 | 843 | 8.68 | 3.74 | 5.24 |
| BAL | 3.79 | 89 | 73 | 0.549 | 20 | 16 | 48 | 1464.0 | 1419 | 124 | 518 | 846 | 8.72 | 3.18 | 5.20 |
| KCR | 3.81 | 72 | 90 | 0.444 | 9 | 12 | 44 | 1447.0 | 1426 | 106 | 512 | 834 | 8.87 | 3.18 | 5.19 |
| CHW | 3.82 | 86 | 76 | 0.531 | 21 | 5 | 52 | 1461.0 | 1400 | 123 | 550 | 810 | 8.62 | 3.39 | 4.99 |
| ANA | 3.84 | 72 | 90 | 0.444 | 26 | 13 | 42 | 1446.0 | 1449 | 130 | 532 | 888 | 9.02 | 3.31 | 5.53 |
| TOR | 3.91 | 96 | 66 | 0.593 | 18 | 14 | 49 | 1440.0 | 1346 | 124 | 541 | 954 | 8.41 | 3.38 | 5.96 |
| TEX | 4.09 | 77 | 85 | 0.475 | 19 | 3 | 42 | 1460.0 | 1471 | 113 | 598 | 1034 | 9.07 | 3.69 | 6.37 |
| CLE | 4.11 | 76 | 86 | 0.469 | 13 | 7 | 46 | 1470.0 | 1507 | 159 | 566 | 890 | 9.23 | 3.47 | 5.45 |
| NYY | 4.21 | 76 | 86 | 0.469 | 20 | 9 | 44 | 1452.0 | 1453 | 129 | 612 | 851 | 9.01 | 3.79 | 5.27 |
| SEA | 4.55 | 64 | 98 | 0.395 | 21 | 9 | 30 | 1445.0 | 1467 | 129 | 661 | 894 | 9.14 | 4.12 | 5.57 |
| DET | 4.60 | 75 | 87 | 0.463 | 10 | 4 | 36 | 1435.0 | 1534 | 155 | 564 | 693 | 9.62 | 3.54 | 4.35 |
1992 - National League
| 1992 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.14 | 98 | 64 | 0.605 | 26 | 24 | 41 | 1460.0 | 1321 | 89 | 489 | 948 | 8.14 | 3.01 | 5.84 |
| WSN | 3.25 | 87 | 75 | 0.537 | 11 | 14 | 49 | 1468.0 | 1296 | 92 | 525 | 1014 | 7.95 | 3.22 | 6.22 |
| PIT | 3.35 | 96 | 66 | 0.593 | 20 | 20 | 43 | 1479.0 | 1410 | 101 | 455 | 844 | 8.58 | 2.77 | 5.14 |
| STL | 3.38 | 83 | 79 | 0.512 | 10 | 9 | 47 | 1480.0 | 1405 | 118 | 400 | 842 | 8.54 | 2.43 | 5.12 |
| CHC | 3.39 | 78 | 84 | 0.481 | 16 | 11 | 37 | 1469.0 | 1337 | 107 | 575 | 901 | 8.19 | 3.52 | 5.52 |
| LAD | 3.41 | 63 | 99 | 0.389 | 18 | 13 | 29 | 1438.0 | 1401 | 82 | 553 | 981 | 8.77 | 3.46 | 6.14 |
| CIN | 3.46 | 90 | 72 | 0.556 | 9 | 11 | 55 | 1449.0 | 1362 | 109 | 470 | 1060 | 8.46 | 2.92 | 6.58 |
| SDP | 3.56 | 82 | 80 | 0.506 | 9 | 11 | 46 | 1461.0 | 1444 | 111 | 439 | 971 | 8.90 | 2.70 | 5.98 |
| SFG | 3.61 | 72 | 90 | 0.444 | 9 | 12 | 30 | 1461.0 | 1385 | 128 | 502 | 927 | 8.53 | 3.09 | 5.71 |
| NYM | 3.66 | 72 | 90 | 0.444 | 17 | 13 | 34 | 1446.0 | 1404 | 98 | 482 | 1025 | 8.74 | 3.00 | 6.38 |
| HOU | 3.72 | 81 | 81 | 0.500 | 5 | 12 | 45 | 1459.0 | 1386 | 114 | 539 | 978 | 8.55 | 3.32 | 6.03 |
| PHI | 4.11 | 70 | 92 | 0.432 | 27 | 7 | 34 | 1428.0 | 1387 | 113 | 549 | 851 | 8.74 | 3.46 | 5.36 |
1991 - American League
| 1991 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| TOR | 3.50 | 91 | 71 | 0.562 | 10 | 16 | 60 | 1462.0 | 1301 | 121 | 523 | 971 | 8.01 | 3.22 | 5.98 |
| ANA | 3.69 | 81 | 81 | 0.500 | 18 | 10 | 50 | 1441.0 | 1351 | 141 | 543 | 990 | 8.44 | 3.39 | 6.18 |
| MIN | 3.69 | 95 | 67 | 0.586 | 21 | 12 | 53 | 1449.0 | 1402 | 139 | 488 | 876 | 8.71 | 3.03 | 5.44 |
| CHW | 3.79 | 87 | 75 | 0.537 | 28 | 8 | 40 | 1478.0 | 1302 | 154 | 601 | 923 | 7.93 | 3.66 | 5.62 |
| SEA | 3.79 | 83 | 79 | 0.512 | 10 | 13 | 48 | 1464.0 | 1387 | 136 | 628 | 1003 | 8.53 | 3.86 | 6.17 |
| KCR | 3.92 | 82 | 80 | 0.506 | 17 | 12 | 41 | 1466.0 | 1473 | 105 | 529 | 1004 | 9.04 | 3.25 | 6.16 |
| BOS | 4.01 | 84 | 78 | 0.519 | 15 | 13 | 45 | 1439.0 | 1405 | 147 | 530 | 999 | 8.79 | 3.31 | 6.25 |
| MIL | 4.14 | 83 | 79 | 0.512 | 23 | 11 | 41 | 1463.0 | 1498 | 147 | 527 | 859 | 9.22 | 3.24 | 5.28 |
| CLE | 4.23 | 57 | 105 | 0.352 | 22 | 8 | 33 | 1441.0 | 1551 | 110 | 441 | 862 | 9.69 | 2.75 | 5.38 |
| NYY | 4.42 | 71 | 91 | 0.438 | 3 | 11 | 37 | 1444.0 | 1510 | 152 | 506 | 936 | 9.41 | 3.15 | 5.83 |
| TEX | 4.47 | 85 | 77 | 0.525 | 9 | 10 | 41 | 1479.0 | 1486 | 151 | 662 | 1022 | 9.04 | 4.03 | 6.22 |
| DET | 4.51 | 84 | 78 | 0.519 | 18 | 8 | 38 | 1450.0 | 1570 | 148 | 593 | 739 | 9.74 | 3.68 | 4.59 |
| OAK | 4.57 | 84 | 78 | 0.519 | 14 | 10 | 49 | 1444.0 | 1425 | 155 | 655 | 892 | 8.88 | 4.08 | 5.56 |
| BAL | 4.59 | 67 | 95 | 0.414 | 8 | 8 | 42 | 1457.0 | 1534 | 147 | 504 | 868 | 9.48 | 3.11 | 5.36 |
1991 - National League
| 1991 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.06 | 93 | 69 | 0.574 | 15 | 14 | 40 | 1458.0 | 1312 | 96 | 500 | 1028 | 8.10 | 3.09 | 6.35 |
| PIT | 3.44 | 98 | 64 | 0.605 | 18 | 11 | 51 | 1456.0 | 1411 | 117 | 401 | 919 | 8.72 | 2.48 | 5.68 |
| ATL | 3.49 | 94 | 68 | 0.580 | 18 | 7 | 48 | 1452.0 | 1304 | 118 | 481 | 969 | 8.08 | 2.98 | 6.01 |
| NYM | 3.56 | 77 | 84 | 0.478 | 12 | 11 | 39 | 1437.0 | 1403 | 108 | 410 | 1028 | 8.79 | 2.57 | 6.44 |
| SDP | 3.57 | 84 | 78 | 0.519 | 14 | 11 | 47 | 1452.0 | 1385 | 139 | 457 | 921 | 8.58 | 2.83 | 5.71 |
| WSN | 3.64 | 71 | 90 | 0.441 | 12 | 14 | 39 | 1440.0 | 1304 | 111 | 584 | 909 | 8.15 | 3.65 | 5.68 |
| STL | 3.69 | 84 | 78 | 0.519 | 9 | 5 | 51 | 1435.0 | 1367 | 114 | 454 | 822 | 8.57 | 2.85 | 5.16 |
| CIN | 3.83 | 74 | 88 | 0.457 | 7 | 11 | 43 | 1440.0 | 1372 | 127 | 560 | 997 | 8.57 | 3.50 | 6.23 |
| PHI | 3.86 | 78 | 84 | 0.481 | 16 | 11 | 35 | 1463.0 | 1346 | 111 | 670 | 988 | 8.28 | 4.12 | 6.08 |
| HOU | 4.00 | 65 | 97 | 0.401 | 7 | 13 | 36 | 1453.0 | 1347 | 129 | 651 | 1033 | 8.34 | 4.03 | 6.40 |
| CHC | 4.03 | 77 | 83 | 0.481 | 12 | 4 | 40 | 1456.0 | 1415 | 117 | 542 | 927 | 8.75 | 3.35 | 5.73 |
| SFG | 4.03 | 75 | 87 | 0.463 | 10 | 10 | 45 | 1442.0 | 1397 | 143 | 544 | 905 | 8.72 | 3.40 | 5.65 |
1990 - American League
| 1990 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.18 | 103 | 59 | 0.636 | 18 | 16 | 64 | 1456.0 | 1287 | 123 | 494 | 831 | 7.96 | 3.05 | 5.14 |
| CHW | 3.61 | 94 | 68 | 0.580 | 17 | 10 | 68 | 1449.0 | 1313 | 106 | 548 | 914 | 8.16 | 3.40 | 5.68 |
| SEA | 3.69 | 77 | 85 | 0.475 | 21 | 7 | 41 | 1443.0 | 1319 | 120 | 606 | 1064 | 8.23 | 3.78 | 6.64 |
| BOS | 3.72 | 88 | 74 | 0.543 | 15 | 13 | 44 | 1442.0 | 1439 | 92 | 519 | 997 | 8.98 | 3.24 | 6.22 |
| ANA | 3.79 | 80 | 82 | 0.494 | 21 | 13 | 42 | 1454.0 | 1482 | 106 | 544 | 944 | 9.17 | 3.37 | 5.84 |
| TEX | 3.83 | 83 | 79 | 0.512 | 25 | 9 | 36 | 1444.0 | 1343 | 113 | 623 | 997 | 8.37 | 3.88 | 6.21 |
| TOR | 3.84 | 86 | 76 | 0.531 | 6 | 9 | 48 | 1454.0 | 1434 | 143 | 445 | 892 | 8.88 | 2.75 | 5.52 |
| KCR | 3.93 | 75 | 86 | 0.466 | 18 | 8 | 33 | 1420.0 | 1449 | 116 | 560 | 1006 | 9.18 | 3.55 | 6.38 |
| BAL | 4.04 | 76 | 85 | 0.472 | 10 | 5 | 43 | 1435.0 | 1445 | 161 | 537 | 776 | 9.06 | 3.37 | 4.87 |
| MIL | 4.08 | 74 | 88 | 0.457 | 23 | 13 | 42 | 1445.0 | 1558 | 121 | 469 | 771 | 9.70 | 2.92 | 4.80 |
| MIN | 4.12 | 74 | 88 | 0.457 | 13 | 13 | 43 | 1435.0 | 1509 | 134 | 489 | 872 | 9.46 | 3.07 | 5.47 |
| NYY | 4.21 | 67 | 95 | 0.414 | 15 | 6 | 41 | 1444.0 | 1430 | 144 | 618 | 909 | 8.91 | 3.85 | 5.67 |
| CLE | 4.26 | 77 | 85 | 0.475 | 12 | 10 | 47 | 1427.0 | 1491 | 163 | 518 | 860 | 9.40 | 3.27 | 5.42 |
| DET | 4.39 | 79 | 83 | 0.488 | 15 | 12 | 45 | 1430.0 | 1401 | 154 | 661 | 856 | 8.82 | 4.16 | 5.39 |
1990 - National League
| 1990 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| WSN | 3.37 | 85 | 77 | 0.525 | 18 | 11 | 50 | 1473.0 | 1349 | 127 | 510 | 991 | 8.24 | 3.12 | 6.05 |
| CIN | 3.39 | 91 | 71 | 0.562 | 14 | 12 | 50 | 1456.0 | 1338 | 124 | 543 | 1029 | 8.27 | 3.36 | 6.36 |
| PIT | 3.40 | 95 | 67 | 0.586 | 18 | 8 | 43 | 1447.0 | 1367 | 135 | 413 | 848 | 8.50 | 2.57 | 5.27 |
| NYM | 3.42 | 91 | 71 | 0.562 | 18 | 14 | 41 | 1440.0 | 1339 | 119 | 444 | 1217 | 8.37 | 2.78 | 7.61 |
| HOU | 3.61 | 75 | 87 | 0.463 | 12 | 6 | 37 | 1450.0 | 1396 | 130 | 496 | 854 | 8.66 | 3.08 | 5.30 |
| SDP | 3.68 | 75 | 87 | 0.463 | 21 | 12 | 35 | 1461.0 | 1437 | 147 | 507 | 928 | 8.85 | 3.12 | 5.72 |
| LAD | 3.72 | 86 | 76 | 0.531 | 29 | 12 | 29 | 1442.0 | 1364 | 137 | 478 | 1021 | 8.51 | 2.98 | 6.37 |
| STL | 3.87 | 70 | 92 | 0.432 | 8 | 13 | 39 | 1443.0 | 1432 | 98 | 475 | 833 | 8.93 | 2.96 | 5.20 |
| PHI | 4.07 | 77 | 85 | 0.475 | 18 | 7 | 35 | 1449.0 | 1381 | 124 | 651 | 840 | 8.58 | 4.04 | 5.22 |
| SFG | 4.08 | 85 | 77 | 0.525 | 14 | 6 | 45 | 1446.0 | 1477 | 131 | 553 | 788 | 9.19 | 3.44 | 4.90 |
| CHC | 4.34 | 77 | 85 | 0.475 | 13 | 7 | 42 | 1442.0 | 1510 | 121 | 572 | 877 | 9.42 | 3.57 | 5.47 |
| ATL | 4.58 | 65 | 97 | 0.401 | 17 | 8 | 30 | 1429.0 | 1527 | 128 | 579 | 938 | 9.62 | 3.65 | 5.91 |
1989 - American League
| 1989 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.09 | 99 | 63 | 0.611 | 17 | 20 | 57 | 1448.0 | 1287 | 103 | 510 | 930 | 8.00 | 3.17 | 5.78 |
| ANA | 3.28 | 91 | 71 | 0.562 | 32 | 20 | 38 | 1454.0 | 1384 | 113 | 465 | 897 | 8.57 | 2.88 | 5.55 |
| KCR | 3.55 | 92 | 70 | 0.568 | 27 | 13 | 38 | 1451.0 | 1415 | 86 | 455 | 978 | 8.78 | 2.82 | 6.07 |
| TOR | 3.58 | 89 | 73 | 0.549 | 12 | 12 | 38 | 1467.0 | 1408 | 99 | 478 | 849 | 8.64 | 2.93 | 5.21 |
| CLE | 3.65 | 73 | 89 | 0.451 | 23 | 13 | 38 | 1453.0 | 1423 | 107 | 452 | 844 | 8.81 | 2.80 | 5.23 |
| MIL | 3.80 | 81 | 81 | 0.500 | 16 | 8 | 45 | 1432.0 | 1463 | 129 | 457 | 812 | 9.19 | 2.87 | 5.10 |
| TEX | 3.91 | 83 | 79 | 0.512 | 26 | 7 | 44 | 1434.0 | 1279 | 119 | 654 | 1112 | 8.03 | 4.10 | 6.98 |
| BAL | 4.00 | 87 | 75 | 0.537 | 16 | 7 | 44 | 1448.0 | 1518 | 134 | 486 | 676 | 9.44 | 3.02 | 4.20 |
| SEA | 4.00 | 73 | 89 | 0.451 | 15 | 10 | 44 | 1438.0 | 1422 | 114 | 560 | 897 | 8.90 | 3.50 | 5.61 |
| BOS | 4.01 | 83 | 79 | 0.512 | 14 | 9 | 42 | 1460.0 | 1448 | 131 | 548 | 1054 | 8.93 | 3.38 | 6.50 |
| CHW | 4.23 | 69 | 92 | 0.429 | 9 | 5 | 46 | 1422.0 | 1472 | 144 | 539 | 778 | 9.32 | 3.41 | 4.92 |
| MIN | 4.28 | 80 | 82 | 0.494 | 19 | 8 | 38 | 1429.0 | 1495 | 139 | 500 | 851 | 9.42 | 3.15 | 5.36 |
| NYY | 4.50 | 74 | 87 | 0.460 | 15 | 9 | 44 | 1414.0 | 1550 | 150 | 521 | 787 | 9.87 | 3.32 | 5.01 |
| DET | 4.53 | 59 | 103 | 0.364 | 24 | 4 | 26 | 1427.0 | 1514 | 150 | 652 | 831 | 9.55 | 4.11 | 5.24 |
1989 - National League
| 1989 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.95 | 77 | 83 | 0.481 | 25 | 19 | 36 | 1463.0 | 1278 | 95 | 504 | 1052 | 7.86 | 3.10 | 6.47 |
| NYM | 3.29 | 87 | 75 | 0.537 | 24 | 12 | 38 | 1454.0 | 1260 | 115 | 532 | 1108 | 7.80 | 3.29 | 6.86 |
| SFG | 3.30 | 92 | 70 | 0.568 | 12 | 16 | 47 | 1457.0 | 1320 | 120 | 471 | 802 | 8.15 | 2.91 | 4.95 |
| STL | 3.36 | 86 | 76 | 0.524 | 18 | 18 | 43 | 1461.0 | 1330 | 84 | 482 | 844 | 8.19 | 2.97 | 5.20 |
| SDP | 3.38 | 89 | 73 | 0.549 | 21 | 11 | 52 | 1457.0 | 1359 | 133 | 481 | 933 | 8.39 | 2.97 | 5.76 |
| CHC | 3.43 | 93 | 69 | 0.574 | 18 | 10 | 55 | 1460.0 | 1369 | 106 | 532 | 918 | 8.44 | 3.28 | 5.66 |
| WSN | 3.48 | 81 | 81 | 0.500 | 20 | 13 | 35 | 1468.0 | 1344 | 120 | 519 | 1059 | 8.24 | 3.18 | 6.49 |
| HOU | 3.64 | 86 | 76 | 0.531 | 19 | 12 | 38 | 1479.0 | 1379 | 105 | 551 | 965 | 8.39 | 3.35 | 5.87 |
| PIT | 3.64 | 74 | 88 | 0.451 | 20 | 9 | 40 | 1487.0 | 1394 | 121 | 539 | 827 | 8.44 | 3.26 | 5.01 |
| ATL | 3.70 | 63 | 97 | 0.391 | 15 | 8 | 33 | 1447.0 | 1370 | 114 | 468 | 966 | 8.52 | 2.91 | 6.01 |
| CIN | 3.73 | 75 | 87 | 0.463 | 16 | 9 | 37 | 1464.0 | 1404 | 125 | 559 | 981 | 8.63 | 3.44 | 6.03 |
| PHI | 4.04 | 67 | 95 | 0.411 | 10 | 10 | 33 | 1433.0 | 1408 | 127 | 613 | 899 | 8.84 | 3.85 | 5.65 |
1988 - American League
| 1988 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.44 | 104 | 58 | 0.642 | 22 | 9 | 64 | 1489.0 | 1376 | 116 | 553 | 983 | 8.32 | 3.34 | 5.94 |
| MIL | 3.45 | 87 | 75 | 0.537 | 30 | 8 | 51 | 1449.0 | 1355 | 125 | 437 | 832 | 8.42 | 2.71 | 5.17 |
| KCR | 3.65 | 84 | 77 | 0.522 | 29 | 12 | 32 | 1428.0 | 1415 | 102 | 465 | 886 | 8.92 | 2.93 | 5.58 |
| DET | 3.71 | 88 | 74 | 0.543 | 34 | 8 | 36 | 1445.0 | 1361 | 150 | 497 | 890 | 8.48 | 3.10 | 5.54 |
| TOR | 3.80 | 87 | 75 | 0.537 | 16 | 17 | 47 | 1449.0 | 1404 | 143 | 528 | 904 | 8.72 | 3.28 | 5.61 |
| MIN | 3.93 | 91 | 71 | 0.562 | 18 | 9 | 52 | 1431.0 | 1457 | 146 | 453 | 897 | 9.16 | 2.85 | 5.64 |
| BOS | 3.97 | 89 | 73 | 0.549 | 26 | 14 | 37 | 1426.0 | 1415 | 143 | 493 | 1085 | 8.93 | 3.11 | 6.85 |
| TEX | 4.05 | 70 | 91 | 0.435 | 41 | 11 | 31 | 1438.0 | 1310 | 129 | 654 | 912 | 8.20 | 4.09 | 5.71 |
| CHW | 4.12 | 71 | 90 | 0.441 | 11 | 9 | 43 | 1439.0 | 1467 | 138 | 533 | 754 | 9.18 | 3.33 | 4.72 |
| SEA | 4.15 | 68 | 93 | 0.422 | 28 | 11 | 28 | 1428.0 | 1385 | 144 | 558 | 981 | 8.73 | 3.52 | 6.18 |
| CLE | 4.16 | 78 | 84 | 0.481 | 35 | 10 | 46 | 1434.0 | 1501 | 120 | 442 | 812 | 9.42 | 2.77 | 5.10 |
| NYY | 4.26 | 85 | 76 | 0.528 | 16 | 5 | 43 | 1456.0 | 1512 | 157 | 487 | 861 | 9.35 | 3.01 | 5.32 |
| ANA | 4.32 | 75 | 87 | 0.463 | 26 | 9 | 33 | 1455.0 | 1503 | 135 | 568 | 817 | 9.30 | 3.51 | 5.05 |
| BAL | 4.54 | 54 | 107 | 0.335 | 20 | 7 | 26 | 1416.0 | 1506 | 153 | 523 | 709 | 9.57 | 3.32 | 4.51 |
1988 - National League
| 1988 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYM | 2.91 | 100 | 60 | 0.625 | 31 | 22 | 46 | 1439.0 | 1253 | 78 | 404 | 1100 | 7.84 | 2.53 | 6.88 |
| LAD | 2.96 | 94 | 67 | 0.580 | 32 | 24 | 49 | 1463.0 | 1291 | 84 | 473 | 1029 | 7.94 | 2.91 | 6.33 |
| WSN | 3.08 | 81 | 81 | 0.497 | 18 | 12 | 43 | 1482.0 | 1310 | 122 | 476 | 923 | 7.96 | 2.89 | 5.61 |
| SDP | 3.28 | 83 | 78 | 0.516 | 30 | 9 | 39 | 1449.0 | 1332 | 112 | 439 | 885 | 8.27 | 2.73 | 5.50 |
| CIN | 3.35 | 87 | 74 | 0.540 | 24 | 13 | 43 | 1455.0 | 1271 | 121 | 504 | 934 | 7.86 | 3.12 | 5.78 |
| SFG | 3.39 | 83 | 79 | 0.512 | 25 | 13 | 42 | 1462.0 | 1323 | 99 | 422 | 875 | 8.14 | 2.60 | 5.39 |
| HOU | 3.41 | 82 | 80 | 0.506 | 21 | 15 | 40 | 1474.0 | 1339 | 123 | 478 | 1049 | 8.18 | 2.92 | 6.41 |
| PIT | 3.47 | 85 | 75 | 0.531 | 12 | 11 | 46 | 1440.0 | 1349 | 108 | 469 | 790 | 8.43 | 2.93 | 4.94 |
| STL | 3.47 | 76 | 86 | 0.469 | 17 | 14 | 42 | 1470.0 | 1387 | 91 | 486 | 881 | 8.49 | 2.98 | 5.39 |
| CHC | 3.84 | 77 | 85 | 0.472 | 30 | 10 | 29 | 1464.0 | 1494 | 115 | 490 | 897 | 9.18 | 3.01 | 5.51 |
| ATL | 4.09 | 54 | 106 | 0.338 | 14 | 4 | 25 | 1446.0 | 1481 | 108 | 524 | 810 | 9.22 | 3.26 | 5.04 |
| PHI | 4.14 | 65 | 96 | 0.401 | 16 | 6 | 36 | 1433.0 | 1447 | 118 | 628 | 859 | 9.09 | 3.94 | 5.39 |
1987 - American League
| 1987 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| TOR | 3.74 | 96 | 66 | 0.593 | 18 | 8 | 43 | 1454.0 | 1323 | 158 | 567 | 1064 | 8.19 | 3.51 | 6.59 |
| KCR | 3.86 | 83 | 79 | 0.512 | 44 | 11 | 26 | 1424.0 | 1424 | 128 | 548 | 923 | 9.00 | 3.46 | 5.83 |
| DET | 4.02 | 98 | 64 | 0.605 | 33 | 10 | 31 | 1456.0 | 1430 | 180 | 563 | 976 | 8.84 | 3.48 | 6.03 |
| CHW | 4.30 | 77 | 85 | 0.475 | 29 | 12 | 37 | 1447.0 | 1436 | 189 | 537 | 792 | 8.93 | 3.34 | 4.93 |
| OAK | 4.32 | 81 | 81 | 0.500 | 18 | 6 | 40 | 1445.0 | 1442 | 176 | 531 | 1042 | 8.98 | 3.31 | 6.49 |
| NYY | 4.36 | 89 | 73 | 0.549 | 19 | 10 | 47 | 1446.0 | 1475 | 179 | 542 | 900 | 9.18 | 3.37 | 5.60 |
| ANA | 4.38 | 75 | 87 | 0.463 | 20 | 7 | 36 | 1457.0 | 1481 | 212 | 504 | 941 | 9.15 | 3.11 | 5.81 |
| SEA | 4.49 | 78 | 84 | 0.481 | 39 | 10 | 33 | 1430.0 | 1503 | 199 | 497 | 919 | 9.46 | 3.13 | 5.78 |
| MIL | 4.62 | 91 | 71 | 0.562 | 28 | 6 | 45 | 1464.0 | 1548 | 169 | 529 | 1039 | 9.52 | 3.25 | 6.39 |
| MIN | 4.63 | 85 | 77 | 0.525 | 16 | 4 | 39 | 1427.0 | 1465 | 210 | 564 | 990 | 9.24 | 3.56 | 6.24 |
| TEX | 4.63 | 75 | 87 | 0.463 | 20 | 3 | 27 | 1444.0 | 1388 | 199 | 760 | 1103 | 8.65 | 4.74 | 6.87 |
| BOS | 4.77 | 78 | 84 | 0.481 | 47 | 13 | 16 | 1436.0 | 1584 | 190 | 517 | 1034 | 9.93 | 3.24 | 6.48 |
| BAL | 5.01 | 67 | 95 | 0.414 | 17 | 6 | 30 | 1439.0 | 1555 | 226 | 547 | 870 | 9.73 | 3.42 | 5.44 |
| CLE | 5.28 | 61 | 101 | 0.377 | 24 | 8 | 25 | 1422.0 | 1566 | 219 | 606 | 849 | 9.91 | 3.84 | 5.37 |
1987 - National League
| 1987 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.68 | 90 | 72 | 0.556 | 19 | 10 | 38 | 1471.0 | 1407 | 146 | 547 | 1038 | 8.61 | 3.35 | 6.35 |
| LAD | 3.72 | 73 | 89 | 0.451 | 29 | 8 | 32 | 1455.0 | 1415 | 130 | 565 | 1097 | 8.75 | 3.49 | 6.79 |
| HOU | 3.84 | 76 | 86 | 0.469 | 13 | 13 | 33 | 1441.0 | 1363 | 141 | 525 | 1137 | 8.51 | 3.28 | 7.10 |
| NYM | 3.84 | 92 | 70 | 0.568 | 16 | 7 | 51 | 1454.0 | 1407 | 135 | 510 | 1032 | 8.71 | 3.16 | 6.39 |
| STL | 3.91 | 95 | 67 | 0.586 | 10 | 7 | 48 | 1466.0 | 1484 | 129 | 533 | 873 | 9.11 | 3.27 | 5.36 |
| WSN | 3.92 | 91 | 71 | 0.562 | 16 | 8 | 50 | 1450.0 | 1428 | 145 | 446 | 1012 | 8.86 | 2.77 | 6.28 |
| PHI | 4.18 | 80 | 82 | 0.494 | 13 | 7 | 48 | 1448.0 | 1453 | 167 | 587 | 877 | 9.03 | 3.65 | 5.45 |
| PIT | 4.20 | 80 | 82 | 0.494 | 25 | 13 | 39 | 1445.0 | 1377 | 164 | 562 | 914 | 8.58 | 3.50 | 5.69 |
| CIN | 4.24 | 84 | 78 | 0.519 | 7 | 6 | 44 | 1452.0 | 1486 | 170 | 485 | 919 | 9.21 | 3.01 | 5.70 |
| SDP | 4.27 | 65 | 97 | 0.401 | 14 | 10 | 33 | 1433.0 | 1402 | 175 | 602 | 897 | 8.81 | 3.78 | 5.63 |
| CHC | 4.55 | 76 | 85 | 0.472 | 11 | 5 | 48 | 1434.0 | 1524 | 159 | 628 | 1024 | 9.56 | 3.94 | 6.43 |
| ATL | 4.63 | 69 | 92 | 0.429 | 16 | 4 | 32 | 1427.0 | 1529 | 163 | 587 | 837 | 9.64 | 3.70 | 5.28 |
1986 - American League
| 1986 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| KCR | 3.82 | 76 | 86 | 0.469 | 24 | 13 | 31 | 1440.0 | 1413 | 121 | 479 | 888 | 8.83 | 2.99 | 5.55 |
| ANA | 3.84 | 92 | 70 | 0.568 | 29 | 12 | 40 | 1456.0 | 1356 | 153 | 478 | 955 | 8.38 | 2.95 | 5.90 |
| BOS | 3.93 | 95 | 66 | 0.590 | 36 | 6 | 41 | 1429.0 | 1469 | 167 | 474 | 1033 | 9.25 | 2.99 | 6.51 |
| CHW | 3.93 | 72 | 90 | 0.444 | 18 | 8 | 38 | 1442.0 | 1361 | 143 | 561 | 895 | 8.49 | 3.50 | 5.59 |
| MIL | 4.01 | 77 | 84 | 0.478 | 29 | 12 | 32 | 1431.0 | 1478 | 158 | 494 | 952 | 9.30 | 3.11 | 5.99 |
| DET | 4.02 | 87 | 75 | 0.537 | 33 | 12 | 38 | 1443.0 | 1374 | 183 | 571 | 880 | 8.57 | 3.56 | 5.49 |
| TOR | 4.08 | 86 | 76 | 0.528 | 16 | 12 | 44 | 1476.0 | 1467 | 164 | 487 | 1002 | 8.95 | 2.97 | 6.11 |
| NYY | 4.11 | 90 | 72 | 0.556 | 13 | 8 | 58 | 1443.0 | 1461 | 175 | 492 | 878 | 9.11 | 3.07 | 5.48 |
| TEX | 4.11 | 87 | 75 | 0.537 | 15 | 8 | 41 | 1450.0 | 1356 | 145 | 736 | 1059 | 8.42 | 4.57 | 6.57 |
| BAL | 4.30 | 73 | 89 | 0.451 | 17 | 6 | 39 | 1436.0 | 1451 | 177 | 535 | 954 | 9.09 | 3.35 | 5.98 |
| OAK | 4.31 | 76 | 86 | 0.469 | 22 | 8 | 37 | 1433.0 | 1334 | 166 | 667 | 937 | 8.38 | 4.19 | 5.88 |
| CLE | 4.58 | 84 | 78 | 0.515 | 31 | 7 | 34 | 1447.0 | 1548 | 167 | 605 | 744 | 9.63 | 3.76 | 4.63 |
| SEA | 4.65 | 67 | 95 | 0.414 | 33 | 5 | 27 | 1439.0 | 1590 | 171 | 585 | 944 | 9.94 | 3.66 | 5.90 |
| MIN | 4.77 | 71 | 91 | 0.438 | 39 | 6 | 24 | 1432.0 | 1579 | 200 | 503 | 937 | 9.92 | 3.16 | 5.89 |
1986 - National League
| 1986 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYM | 3.11 | 108 | 54 | 0.667 | 27 | 11 | 46 | 1484.0 | 1304 | 103 | 509 | 1083 | 7.91 | 3.09 | 6.57 |
| HOU | 3.15 | 96 | 66 | 0.593 | 18 | 19 | 51 | 1456.0 | 1203 | 116 | 523 | 1160 | 7.44 | 3.23 | 7.17 |
| SFG | 3.33 | 83 | 79 | 0.512 | 18 | 10 | 35 | 1460.0 | 1264 | 121 | 591 | 992 | 7.79 | 3.64 | 6.12 |
| STL | 3.37 | 79 | 82 | 0.491 | 17 | 4 | 46 | 1466.0 | 1364 | 135 | 485 | 761 | 8.37 | 2.98 | 4.67 |
| LAD | 3.76 | 73 | 89 | 0.451 | 35 | 14 | 25 | 1454.0 | 1428 | 115 | 499 | 1051 | 8.84 | 3.09 | 6.51 |
| WSN | 3.78 | 78 | 83 | 0.484 | 15 | 9 | 50 | 1466.0 | 1350 | 119 | 566 | 1051 | 8.29 | 3.47 | 6.45 |
| PHI | 3.85 | 86 | 75 | 0.534 | 22 | 11 | 39 | 1451.0 | 1473 | 130 | 553 | 874 | 9.14 | 3.43 | 5.42 |
| PIT | 3.90 | 64 | 98 | 0.395 | 17 | 9 | 30 | 1450.0 | 1397 | 138 | 570 | 924 | 8.67 | 3.54 | 5.74 |
| CIN | 3.91 | 86 | 76 | 0.531 | 14 | 8 | 45 | 1468.0 | 1465 | 136 | 524 | 924 | 8.98 | 3.21 | 5.66 |
| ATL | 3.97 | 72 | 89 | 0.447 | 17 | 5 | 39 | 1424.0 | 1443 | 117 | 576 | 932 | 9.12 | 3.64 | 5.89 |
| SDP | 3.99 | 74 | 88 | 0.457 | 13 | 7 | 32 | 1443.0 | 1406 | 150 | 607 | 934 | 8.77 | 3.79 | 5.83 |
| CHC | 4.49 | 70 | 90 | 0.438 | 11 | 6 | 42 | 1445.0 | 1546 | 143 | 557 | 962 | 9.63 | 3.47 | 5.99 |
1985 - American League
| 1985 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| TOR | 3.31 | 99 | 62 | 0.615 | 18 | 9 | 47 | 1448.0 | 1312 | 147 | 484 | 823 | 8.15 | 3.01 | 5.12 |
| KCR | 3.49 | 91 | 71 | 0.562 | 27 | 11 | 41 | 1461.0 | 1433 | 103 | 463 | 846 | 8.83 | 2.85 | 5.21 |
| NYY | 3.69 | 97 | 64 | 0.602 | 25 | 9 | 49 | 1440.0 | 1373 | 157 | 518 | 907 | 8.58 | 3.24 | 5.67 |
| DET | 3.78 | 84 | 77 | 0.522 | 31 | 11 | 40 | 1456.0 | 1313 | 141 | 556 | 943 | 8.12 | 3.44 | 5.83 |
| ANA | 3.91 | 90 | 72 | 0.556 | 22 | 8 | 41 | 1457.0 | 1453 | 171 | 514 | 767 | 8.98 | 3.18 | 4.74 |
| BOS | 4.06 | 81 | 81 | 0.497 | 35 | 8 | 29 | 1461.0 | 1487 | 130 | 540 | 913 | 9.16 | 3.33 | 5.62 |
| CHW | 4.07 | 85 | 77 | 0.521 | 20 | 8 | 39 | 1451.0 | 1411 | 161 | 569 | 1023 | 8.75 | 3.53 | 6.35 |
| BAL | 4.38 | 83 | 78 | 0.516 | 32 | 6 | 33 | 1427.0 | 1480 | 160 | 568 | 793 | 9.33 | 3.58 | 5.00 |
| MIL | 4.39 | 71 | 90 | 0.441 | 34 | 5 | 37 | 1437.0 | 1510 | 175 | 499 | 777 | 9.46 | 3.13 | 4.87 |
| OAK | 4.41 | 77 | 85 | 0.475 | 10 | 6 | 41 | 1453.0 | 1451 | 172 | 607 | 785 | 8.99 | 3.76 | 4.86 |
| MIN | 4.48 | 77 | 85 | 0.475 | 41 | 7 | 34 | 1426.0 | 1468 | 164 | 462 | 767 | 9.27 | 2.92 | 4.84 |
| TEX | 4.56 | 62 | 99 | 0.385 | 18 | 5 | 33 | 1411.0 | 1479 | 173 | 501 | 863 | 9.43 | 3.20 | 5.50 |
| SEA | 4.68 | 74 | 88 | 0.457 | 23 | 8 | 30 | 1432.0 | 1456 | 154 | 637 | 868 | 9.15 | 4.00 | 5.46 |
| CLE | 4.91 | 60 | 102 | 0.370 | 24 | 7 | 28 | 1421.0 | 1556 | 170 | 547 | 702 | 9.86 | 3.46 | 4.45 |
1985 - National League
| 1985 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.96 | 95 | 67 | 0.586 | 37 | 21 | 36 | 1465.0 | 1280 | 102 | 462 | 979 | 7.86 | 2.84 | 6.01 |
| STL | 3.10 | 101 | 61 | 0.623 | 37 | 20 | 44 | 1464.0 | 1343 | 98 | 453 | 798 | 8.26 | 2.78 | 4.91 |
| NYM | 3.11 | 98 | 64 | 0.605 | 32 | 19 | 37 | 1488.0 | 1306 | 111 | 515 | 1039 | 7.90 | 3.11 | 6.28 |
| SDP | 3.40 | 83 | 79 | 0.512 | 26 | 19 | 44 | 1451.0 | 1399 | 127 | 443 | 727 | 8.68 | 2.75 | 4.51 |
| WSN | 3.55 | 84 | 77 | 0.522 | 13 | 13 | 53 | 1457.0 | 1346 | 99 | 509 | 870 | 8.31 | 3.14 | 5.37 |
| SFG | 3.61 | 62 | 100 | 0.383 | 13 | 5 | 24 | 1448.0 | 1348 | 125 | 572 | 985 | 8.38 | 3.56 | 6.12 |
| HOU | 3.66 | 83 | 79 | 0.512 | 17 | 9 | 42 | 1458.0 | 1393 | 119 | 543 | 909 | 8.60 | 3.35 | 5.61 |
| PHI | 3.68 | 75 | 87 | 0.463 | 24 | 9 | 30 | 1447.0 | 1424 | 115 | 596 | 899 | 8.86 | 3.71 | 5.59 |
| CIN | 3.71 | 89 | 72 | 0.549 | 24 | 11 | 45 | 1451.0 | 1347 | 131 | 535 | 910 | 8.35 | 3.32 | 5.64 |
| PIT | 3.97 | 57 | 104 | 0.354 | 15 | 6 | 29 | 1445.0 | 1406 | 107 | 584 | 962 | 8.76 | 3.64 | 5.99 |
| CHC | 4.16 | 77 | 84 | 0.475 | 20 | 8 | 42 | 1442.0 | 1492 | 156 | 519 | 820 | 9.31 | 3.24 | 5.12 |
| ATL | 4.19 | 66 | 96 | 0.407 | 9 | 9 | 29 | 1457.0 | 1512 | 134 | 642 | 776 | 9.34 | 3.97 | 4.79 |
1984 - American League
| 1984 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| DET | 3.49 | 104 | 58 | 0.642 | 19 | 8 | 51 | 1464.0 | 1358 | 130 | 489 | 914 | 8.35 | 3.01 | 5.62 |
| BAL | 3.71 | 85 | 77 | 0.525 | 48 | 13 | 32 | 1439.0 | 1393 | 137 | 512 | 714 | 8.71 | 3.20 | 4.47 |
| NYY | 3.78 | 87 | 75 | 0.537 | 15 | 12 | 43 | 1465.0 | 1485 | 120 | 518 | 992 | 9.12 | 3.18 | 6.09 |
| MIN | 3.85 | 81 | 81 | 0.500 | 32 | 9 | 38 | 1437.0 | 1429 | 159 | 463 | 713 | 8.95 | 2.90 | 4.47 |
| TOR | 3.86 | 89 | 73 | 0.546 | 34 | 10 | 33 | 1464.0 | 1433 | 140 | 528 | 875 | 8.81 | 3.25 | 5.38 |
| TEX | 3.91 | 69 | 92 | 0.429 | 38 | 6 | 21 | 1438.0 | 1443 | 148 | 518 | 863 | 9.03 | 3.24 | 5.40 |
| KCR | 3.92 | 84 | 78 | 0.519 | 18 | 9 | 50 | 1444.0 | 1426 | 136 | 433 | 724 | 8.89 | 2.70 | 4.51 |
| ANA | 3.96 | 81 | 81 | 0.500 | 36 | 12 | 26 | 1458.0 | 1526 | 143 | 474 | 754 | 9.42 | 2.93 | 4.65 |
| MIL | 4.06 | 67 | 94 | 0.416 | 13 | 7 | 41 | 1433.0 | 1532 | 137 | 480 | 785 | 9.62 | 3.01 | 4.93 |
| CHW | 4.13 | 74 | 88 | 0.457 | 43 | 9 | 32 | 1454.0 | 1416 | 155 | 483 | 840 | 8.76 | 2.99 | 5.20 |
| BOS | 4.18 | 86 | 76 | 0.531 | 40 | 12 | 32 | 1442.0 | 1524 | 141 | 517 | 927 | 9.51 | 3.23 | 5.79 |
| CLE | 4.26 | 75 | 87 | 0.460 | 21 | 7 | 35 | 1467.0 | 1523 | 141 | 545 | 803 | 9.34 | 3.34 | 4.93 |
| SEA | 4.31 | 74 | 88 | 0.457 | 26 | 4 | 35 | 1442.0 | 1497 | 138 | 619 | 972 | 9.34 | 3.86 | 6.07 |
| OAK | 4.48 | 77 | 85 | 0.475 | 15 | 6 | 44 | 1430.0 | 1554 | 155 | 592 | 695 | 9.78 | 3.73 | 4.37 |
1984 - National League
| 1984 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| PIT | 3.11 | 75 | 87 | 0.463 | 27 | 13 | 34 | 1470.0 | 1344 | 102 | 502 | 995 | 8.23 | 3.07 | 6.09 |
| LAD | 3.17 | 79 | 83 | 0.488 | 39 | 16 | 27 | 1460.0 | 1381 | 76 | 499 | 1033 | 8.51 | 3.08 | 6.37 |
| WSN | 3.31 | 78 | 83 | 0.484 | 19 | 10 | 48 | 1431.0 | 1333 | 114 | 474 | 861 | 8.38 | 2.98 | 5.42 |
| HOU | 3.32 | 80 | 82 | 0.494 | 24 | 13 | 29 | 1449.0 | 1350 | 91 | 502 | 950 | 8.39 | 3.12 | 5.90 |
| SDP | 3.48 | 92 | 70 | 0.568 | 13 | 17 | 44 | 1460.0 | 1327 | 122 | 563 | 812 | 8.18 | 3.47 | 5.01 |
| ATL | 3.57 | 80 | 82 | 0.494 | 17 | 7 | 49 | 1447.0 | 1401 | 122 | 525 | 859 | 8.71 | 3.27 | 5.34 |
| STL | 3.58 | 84 | 78 | 0.519 | 19 | 12 | 51 | 1449.0 | 1427 | 94 | 494 | 808 | 8.86 | 3.07 | 5.02 |
| NYM | 3.60 | 90 | 72 | 0.556 | 12 | 15 | 50 | 1442.0 | 1371 | 104 | 573 | 1028 | 8.56 | 3.58 | 6.42 |
| PHI | 3.62 | 81 | 81 | 0.500 | 11 | 6 | 35 | 1458.0 | 1416 | 101 | 448 | 904 | 8.74 | 2.77 | 5.58 |
| CHC | 3.75 | 96 | 65 | 0.596 | 19 | 8 | 50 | 1434.0 | 1458 | 99 | 442 | 879 | 9.15 | 2.77 | 5.52 |
| CIN | 4.16 | 70 | 92 | 0.432 | 25 | 6 | 25 | 1461.0 | 1445 | 128 | 578 | 946 | 8.90 | 3.56 | 5.83 |
| SFG | 4.39 | 66 | 96 | 0.407 | 9 | 7 | 38 | 1461.0 | 1589 | 125 | 549 | 854 | 9.79 | 3.38 | 5.26 |
1983 - American League
| 1983 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| TEX | 3.31 | 77 | 85 | 0.472 | 43 | 11 | 32 | 1466.0 | 1392 | 97 | 471 | 826 | 8.55 | 2.89 | 5.07 |
| BAL | 3.63 | 98 | 64 | 0.605 | 36 | 15 | 38 | 1452.0 | 1451 | 130 | 452 | 774 | 8.99 | 2.80 | 4.80 |
| CHW | 3.67 | 99 | 63 | 0.611 | 35 | 12 | 48 | 1445.0 | 1355 | 128 | 447 | 877 | 8.44 | 2.78 | 5.46 |
| DET | 3.80 | 92 | 70 | 0.568 | 42 | 9 | 28 | 1451.0 | 1318 | 170 | 522 | 875 | 8.18 | 3.24 | 5.43 |
| NYY | 3.86 | 91 | 71 | 0.562 | 47 | 12 | 32 | 1456.0 | 1449 | 116 | 455 | 892 | 8.96 | 2.81 | 5.51 |
| MIL | 4.02 | 87 | 75 | 0.537 | 35 | 10 | 43 | 1454.0 | 1513 | 133 | 491 | 689 | 9.37 | 3.04 | 4.26 |
| SEA | 4.12 | 60 | 102 | 0.370 | 25 | 9 | 39 | 1418.0 | 1455 | 145 | 544 | 910 | 9.23 | 3.45 | 5.78 |
| TOR | 4.12 | 89 | 73 | 0.549 | 43 | 8 | 32 | 1445.0 | 1434 | 145 | 517 | 835 | 8.93 | 3.22 | 5.20 |
| KCR | 4.25 | 79 | 83 | 0.485 | 19 | 8 | 49 | 1437.0 | 1535 | 133 | 471 | 593 | 9.61 | 2.95 | 3.71 |
| ANA | 4.31 | 70 | 92 | 0.432 | 39 | 7 | 23 | 1474.0 | 1636 | 130 | 496 | 668 | 9.99 | 3.03 | 4.08 |
| BOS | 4.34 | 78 | 84 | 0.481 | 29 | 7 | 42 | 1446.0 | 1572 | 158 | 493 | 767 | 9.78 | 3.07 | 4.77 |
| OAK | 4.34 | 74 | 88 | 0.457 | 22 | 12 | 33 | 1454.0 | 1462 | 135 | 626 | 719 | 9.05 | 3.87 | 4.45 |
| CLE | 4.43 | 70 | 92 | 0.432 | 34 | 8 | 25 | 1441.0 | 1531 | 120 | 529 | 794 | 9.56 | 3.30 | 4.96 |
| MIN | 4.66 | 70 | 92 | 0.432 | 20 | 5 | 39 | 1437.0 | 1559 | 163 | 580 | 748 | 9.76 | 3.63 | 4.68 |
1983 - National League
| 1983 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.10 | 91 | 71 | 0.558 | 27 | 12 | 40 | 1464.0 | 1336 | 97 | 495 | 1000 | 8.21 | 3.04 | 6.15 |
| PHI | 3.34 | 90 | 72 | 0.552 | 20 | 10 | 41 | 1461.0 | 1429 | 111 | 464 | 1092 | 8.80 | 2.86 | 6.73 |
| HOU | 3.45 | 85 | 77 | 0.525 | 22 | 14 | 48 | 1466.0 | 1276 | 94 | 570 | 904 | 7.83 | 3.50 | 5.55 |
| PIT | 3.55 | 84 | 78 | 0.519 | 25 | 14 | 41 | 1462.0 | 1378 | 109 | 563 | 1061 | 8.48 | 3.47 | 6.53 |
| WSN | 3.58 | 82 | 80 | 0.503 | 38 | 15 | 34 | 1471.0 | 1406 | 120 | 479 | 899 | 8.60 | 2.93 | 5.50 |
| SDP | 3.62 | 81 | 81 | 0.497 | 23 | 5 | 44 | 1467.0 | 1389 | 144 | 528 | 850 | 8.52 | 3.24 | 5.21 |
| ATL | 3.67 | 88 | 74 | 0.543 | 18 | 4 | 48 | 1440.0 | 1412 | 132 | 540 | 895 | 8.82 | 3.38 | 5.59 |
| NYM | 3.68 | 68 | 94 | 0.420 | 18 | 7 | 33 | 1451.0 | 1384 | 97 | 615 | 717 | 8.58 | 3.81 | 4.45 |
| SFG | 3.70 | 79 | 83 | 0.488 | 20 | 9 | 47 | 1445.0 | 1431 | 127 | 520 | 881 | 8.91 | 3.24 | 5.49 |
| STL | 3.79 | 79 | 83 | 0.488 | 22 | 10 | 27 | 1460.0 | 1479 | 115 | 525 | 709 | 9.12 | 3.24 | 4.37 |
| CIN | 3.98 | 74 | 88 | 0.457 | 34 | 5 | 29 | 1441.0 | 1365 | 135 | 627 | 934 | 8.53 | 3.92 | 5.83 |
| CHC | 4.08 | 71 | 91 | 0.438 | 9 | 10 | 42 | 1428.0 | 1496 | 117 | 498 | 807 | 9.43 | 3.14 | 5.09 |
1982 - American League
| 1982 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| DET | 3.80 | 83 | 79 | 0.512 | 45 | 5 | 27 | 1451.0 | 1371 | 172 | 554 | 740 | 8.50 | 3.44 | 4.59 |
| ANA | 3.82 | 93 | 69 | 0.574 | 40 | 10 | 27 | 1464.0 | 1436 | 124 | 482 | 728 | 8.83 | 2.96 | 4.48 |
| CHW | 3.87 | 87 | 75 | 0.537 | 30 | 10 | 41 | 1439.0 | 1502 | 99 | 460 | 753 | 9.39 | 2.88 | 4.71 |
| SEA | 3.88 | 76 | 86 | 0.469 | 23 | 11 | 39 | 1476.0 | 1431 | 173 | 547 | 1002 | 8.73 | 3.34 | 6.11 |
| TOR | 3.95 | 78 | 84 | 0.481 | 41 | 13 | 25 | 1443.0 | 1428 | 147 | 493 | 776 | 8.91 | 3.07 | 4.84 |
| MIL | 3.98 | 95 | 67 | 0.583 | 34 | 6 | 47 | 1467.0 | 1514 | 152 | 511 | 717 | 9.29 | 3.13 | 4.40 |
| BAL | 3.99 | 94 | 68 | 0.577 | 38 | 8 | 34 | 1462.0 | 1436 | 147 | 488 | 719 | 8.84 | 3.00 | 4.43 |
| NYY | 3.99 | 79 | 83 | 0.488 | 24 | 8 | 39 | 1459.0 | 1471 | 113 | 491 | 939 | 9.07 | 3.03 | 5.79 |
| BOS | 4.03 | 89 | 73 | 0.549 | 23 | 11 | 33 | 1453.0 | 1557 | 155 | 478 | 816 | 9.64 | 2.96 | 5.05 |
| KCR | 4.08 | 90 | 72 | 0.556 | 16 | 12 | 45 | 1431.0 | 1443 | 163 | 471 | 650 | 9.08 | 2.96 | 4.09 |
| CLE | 4.11 | 78 | 84 | 0.481 | 31 | 9 | 30 | 1468.0 | 1433 | 122 | 589 | 882 | 8.79 | 3.61 | 5.41 |
| TEX | 4.28 | 64 | 98 | 0.395 | 32 | 5 | 24 | 1431.0 | 1554 | 128 | 483 | 690 | 9.77 | 3.04 | 4.34 |
| OAK | 4.54 | 68 | 94 | 0.420 | 42 | 6 | 22 | 1456.0 | 1506 | 177 | 648 | 697 | 9.31 | 4.01 | 4.31 |
| MIN | 4.72 | 60 | 102 | 0.370 | 26 | 7 | 30 | 1433.0 | 1484 | 208 | 643 | 812 | 9.32 | 4.04 | 5.10 |
1982 - National League
| 1982 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.26 | 88 | 74 | 0.543 | 37 | 16 | 28 | 1488.0 | 1356 | 81 | 468 | 932 | 8.20 | 2.83 | 5.64 |
| WSN | 3.31 | 86 | 76 | 0.531 | 34 | 10 | 43 | 1460.0 | 1371 | 110 | 448 | 936 | 8.45 | 2.76 | 5.77 |
| STL | 3.37 | 92 | 70 | 0.568 | 25 | 10 | 47 | 1465.0 | 1420 | 94 | 502 | 689 | 8.72 | 3.08 | 4.23 |
| HOU | 3.42 | 77 | 85 | 0.475 | 37 | 16 | 31 | 1446.0 | 1338 | 87 | 479 | 899 | 8.33 | 2.98 | 5.60 |
| SDP | 3.52 | 81 | 81 | 0.500 | 20 | 11 | 41 | 1476.0 | 1348 | 139 | 502 | 765 | 8.22 | 3.06 | 4.66 |
| PHI | 3.61 | 89 | 73 | 0.549 | 38 | 13 | 33 | 1456.0 | 1395 | 86 | 472 | 1002 | 8.62 | 2.92 | 6.19 |
| SFG | 3.64 | 87 | 75 | 0.537 | 18 | 4 | 45 | 1465.0 | 1507 | 109 | 466 | 810 | 9.26 | 2.86 | 4.98 |
| CIN | 3.66 | 61 | 101 | 0.377 | 22 | 7 | 31 | 1460.0 | 1414 | 105 | 570 | 998 | 8.72 | 3.51 | 6.15 |
| PIT | 3.81 | 84 | 78 | 0.519 | 19 | 7 | 39 | 1466.0 | 1434 | 118 | 521 | 933 | 8.80 | 3.20 | 5.73 |
| ATL | 3.82 | 89 | 73 | 0.549 | 15 | 11 | 51 | 1463.0 | 1484 | 126 | 502 | 813 | 9.13 | 3.09 | 5.00 |
| NYM | 3.88 | 65 | 97 | 0.401 | 15 | 5 | 37 | 1447.0 | 1508 | 119 | 582 | 759 | 9.38 | 3.62 | 4.72 |
| CHC | 3.92 | 73 | 89 | 0.451 | 9 | 7 | 43 | 1447.0 | 1510 | 125 | 452 | 764 | 9.39 | 2.81 | 4.75 |
1981 - American League
| 1981 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 2.90 | 59 | 48 | 0.551 | 16 | 13 | 30 | 948.0 | 827 | 64 | 287 | 606 | 7.85 | 2.72 | 5.75 |
| OAK | 3.30 | 64 | 45 | 0.587 | 60 | 13 | 10 | 993.0 | 883 | 80 | 370 | 505 | 8.00 | 3.35 | 4.58 |
| TEX | 3.40 | 57 | 48 | 0.543 | 23 | 8 | 18 | 940.0 | 891 | 67 | 322 | 488 | 8.53 | 3.08 | 4.67 |
| CHW | 3.47 | 54 | 52 | 0.509 | 20 | 8 | 23 | 940.7 | 891 | 73 | 336 | 529 | 8.52 | 3.21 | 5.06 |
| DET | 3.53 | 60 | 49 | 0.550 | 33 | 13 | 22 | 969.0 | 840 | 83 | 373 | 476 | 7.80 | 3.46 | 4.42 |
| KCR | 3.56 | 50 | 53 | 0.485 | 24 | 8 | 24 | 922.3 | 909 | 75 | 273 | 404 | 8.87 | 2.66 | 3.94 |
| BAL | 3.70 | 59 | 46 | 0.562 | 25 | 10 | 23 | 940.0 | 923 | 83 | 347 | 489 | 8.84 | 3.32 | 4.68 |
| ANA | 3.70 | 51 | 59 | 0.464 | 27 | 5 | 19 | 971.3 | 958 | 81 | 323 | 426 | 8.88 | 2.99 | 3.95 |
| BOS | 3.81 | 59 | 49 | 0.546 | 19 | 4 | 24 | 987.0 | 983 | 90 | 354 | 536 | 8.96 | 3.23 | 4.89 |
| TOR | 3.82 | 37 | 69 | 0.349 | 20 | 4 | 18 | 953.0 | 908 | 72 | 377 | 451 | 8.58 | 3.56 | 4.26 |
| CLE | 3.88 | 52 | 51 | 0.505 | 33 | 10 | 13 | 931.0 | 989 | 67 | 311 | 569 | 9.56 | 3.01 | 5.50 |
| MIL | 3.91 | 62 | 47 | 0.569 | 11 | 4 | 35 | 986.0 | 994 | 72 | 352 | 448 | 9.07 | 3.21 | 4.09 |
| MIN | 3.98 | 41 | 68 | 0.373 | 13 | 6 | 22 | 979.0 | 1021 | 79 | 376 | 500 | 9.39 | 3.46 | 4.60 |
| SEA | 4.23 | 44 | 65 | 0.400 | 10 | 6 | 23 | 997.3 | 1039 | 76 | 360 | 478 | 9.38 | 3.25 | 4.31 |
1981 - National League
| 1981 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| HOU | 2.66 | 61 | 49 | 0.555 | 23 | 9 | 25 | 990.0 | 842 | 40 | 300 | 610 | 7.65 | 2.73 | 5.55 |
| LAD | 3.01 | 63 | 47 | 0.573 | 26 | 19 | 24 | 997.0 | 904 | 54 | 302 | 603 | 8.16 | 2.73 | 5.44 |
| SFG | 3.28 | 56 | 55 | 0.505 | 8 | 4 | 33 | 1009.3 | 970 | 57 | 393 | 561 | 8.65 | 3.50 | 5.00 |
| WSN | 3.30 | 60 | 48 | 0.556 | 20 | 12 | 23 | 975.0 | 902 | 58 | 268 | 520 | 8.33 | 2.47 | 4.80 |
| ATL | 3.45 | 50 | 56 | 0.467 | 11 | 6 | 24 | 968.0 | 936 | 62 | 330 | 471 | 8.70 | 3.07 | 4.38 |
| NYM | 3.55 | 41 | 62 | 0.390 | 7 | 3 | 24 | 926.0 | 906 | 74 | 336 | 490 | 8.81 | 3.27 | 4.76 |
| PIT | 3.56 | 46 | 56 | 0.447 | 11 | 5 | 29 | 942.0 | 953 | 60 | 346 | 492 | 9.11 | 3.31 | 4.70 |
| STL | 3.63 | 59 | 43 | 0.573 | 11 | 5 | 33 | 943.0 | 902 | 52 | 290 | 388 | 8.61 | 2.77 | 3.70 |
| SDP | 3.72 | 41 | 69 | 0.373 | 9 | 6 | 23 | 1002.0 | 1013 | 64 | 414 | 492 | 9.10 | 3.72 | 4.42 |
| CIN | 3.73 | 66 | 42 | 0.611 | 25 | 19 | 20 | 965.7 | 863 | 67 | 393 | 593 | 8.04 | 3.66 | 5.53 |
| CHC | 4.01 | 38 | 65 | 0.358 | 6 | 2 | 20 | 956.0 | 983 | 59 | 388 | 532 | 9.25 | 3.65 | 5.01 |
| PHI | 4.05 | 59 | 48 | 0.551 | 19 | 5 | 23 | 960.0 | 967 | 72 | 347 | 580 | 9.07 | 3.25 | 5.44 |
1980 - American League
| 1980 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.46 | 83 | 79 | 0.512 | 94 | 9 | 13 | 1471.0 | 1347 | 142 | 521 | 769 | 8.24 | 3.19 | 4.70 |
| NYY | 3.58 | 103 | 59 | 0.636 | 29 | 15 | 50 | 1464.0 | 1433 | 102 | 463 | 845 | 8.81 | 2.85 | 5.19 |
| BAL | 3.64 | 100 | 62 | 0.617 | 42 | 10 | 41 | 1460.0 | 1438 | 134 | 507 | 789 | 8.86 | 3.13 | 4.86 |
| MIL | 3.71 | 86 | 76 | 0.531 | 48 | 14 | 30 | 1450.0 | 1530 | 137 | 420 | 575 | 9.50 | 2.61 | 3.57 |
| KCR | 3.83 | 97 | 65 | 0.599 | 37 | 10 | 42 | 1459.0 | 1496 | 129 | 465 | 614 | 9.23 | 2.87 | 3.79 |
| CHW | 3.92 | 70 | 90 | 0.432 | 32 | 12 | 42 | 1435.0 | 1434 | 108 | 563 | 724 | 8.99 | 3.53 | 4.54 |
| MIN | 3.93 | 77 | 84 | 0.478 | 35 | 9 | 30 | 1451.0 | 1502 | 120 | 468 | 744 | 9.32 | 2.90 | 4.61 |
| TEX | 4.02 | 76 | 85 | 0.466 | 35 | 6 | 25 | 1451.0 | 1561 | 119 | 519 | 890 | 9.68 | 3.22 | 5.52 |
| TOR | 4.19 | 67 | 95 | 0.414 | 39 | 9 | 23 | 1466.0 | 1523 | 135 | 635 | 705 | 9.35 | 3.90 | 4.33 |
| DET | 4.25 | 84 | 78 | 0.515 | 40 | 9 | 30 | 1467.0 | 1505 | 152 | 558 | 741 | 9.23 | 3.42 | 4.55 |
| BOS | 4.38 | 83 | 77 | 0.519 | 30 | 8 | 43 | 1441.0 | 1557 | 129 | 481 | 696 | 9.72 | 3.00 | 4.35 |
| SEA | 4.38 | 59 | 103 | 0.362 | 31 | 7 | 26 | 1457.0 | 1565 | 159 | 540 | 703 | 9.67 | 3.34 | 4.34 |
| ANA | 4.52 | 65 | 95 | 0.406 | 22 | 6 | 30 | 1428.0 | 1548 | 141 | 529 | 725 | 9.76 | 3.33 | 4.57 |
| CLE | 4.68 | 79 | 81 | 0.494 | 35 | 8 | 32 | 1428.0 | 1519 | 137 | 552 | 843 | 9.57 | 3.48 | 5.31 |
1980 - National League
| 1980 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| HOU | 3.10 | 93 | 70 | 0.571 | 31 | 18 | 41 | 1482.0 | 1367 | 69 | 466 | 929 | 8.30 | 2.83 | 5.64 |
| LAD | 3.25 | 92 | 71 | 0.564 | 24 | 19 | 42 | 1472.0 | 1358 | 105 | 480 | 835 | 8.30 | 2.93 | 5.11 |
| PHI | 3.43 | 91 | 71 | 0.562 | 25 | 8 | 40 | 1480.0 | 1419 | 87 | 530 | 889 | 8.63 | 3.22 | 5.41 |
| SFG | 3.46 | 75 | 86 | 0.466 | 27 | 10 | 35 | 1448.0 | 1446 | 92 | 492 | 811 | 8.99 | 3.06 | 5.04 |
| WSN | 3.48 | 90 | 72 | 0.556 | 33 | 15 | 36 | 1456.0 | 1447 | 100 | 460 | 823 | 8.94 | 2.84 | 5.09 |
| PIT | 3.58 | 83 | 79 | 0.512 | 25 | 8 | 43 | 1458.0 | 1422 | 110 | 451 | 832 | 8.78 | 2.78 | 5.14 |
| SDP | 3.65 | 73 | 89 | 0.448 | 19 | 9 | 39 | 1466.0 | 1474 | 97 | 536 | 728 | 9.05 | 3.29 | 4.47 |
| ATL | 3.77 | 81 | 80 | 0.503 | 29 | 9 | 37 | 1428.0 | 1397 | 131 | 454 | 696 | 8.80 | 2.86 | 4.39 |
| CIN | 3.85 | 89 | 73 | 0.546 | 30 | 12 | 37 | 1459.0 | 1404 | 113 | 506 | 833 | 8.66 | 3.12 | 5.14 |
| NYM | 3.85 | 67 | 95 | 0.414 | 17 | 9 | 33 | 1451.0 | 1473 | 140 | 510 | 886 | 9.14 | 3.16 | 5.50 |
| CHC | 3.89 | 64 | 98 | 0.395 | 13 | 6 | 35 | 1479.0 | 1525 | 109 | 589 | 923 | 9.28 | 3.58 | 5.62 |
| STL | 3.93 | 74 | 88 | 0.457 | 34 | 9 | 27 | 1447.0 | 1454 | 90 | 495 | 664 | 9.04 | 3.08 | 4.13 |
1979 - American League
| 1979 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.26 | 102 | 57 | 0.642 | 52 | 12 | 30 | 1434.0 | 1279 | 133 | 467 | 786 | 8.03 | 2.93 | 4.93 |
| NYY | 3.83 | 89 | 71 | 0.556 | 43 | 10 | 37 | 1432.0 | 1446 | 123 | 455 | 731 | 9.09 | 2.86 | 4.59 |
| TEX | 3.86 | 83 | 79 | 0.512 | 26 | 10 | 42 | 1437.0 | 1371 | 135 | 532 | 773 | 8.59 | 3.33 | 4.84 |
| BOS | 4.03 | 91 | 69 | 0.569 | 47 | 11 | 29 | 1431.0 | 1487 | 133 | 463 | 731 | 9.35 | 2.91 | 4.60 |
| MIL | 4.03 | 95 | 66 | 0.590 | 61 | 12 | 23 | 1439.0 | 1563 | 162 | 381 | 580 | 9.78 | 2.38 | 3.63 |
| CHW | 4.10 | 73 | 87 | 0.456 | 28 | 9 | 37 | 1409.0 | 1365 | 114 | 618 | 675 | 8.72 | 3.95 | 4.31 |
| MIN | 4.13 | 82 | 80 | 0.506 | 31 | 6 | 33 | 1444.0 | 1590 | 128 | 452 | 721 | 9.91 | 2.82 | 4.49 |
| DET | 4.27 | 85 | 76 | 0.528 | 25 | 5 | 37 | 1423.0 | 1429 | 167 | 547 | 802 | 9.04 | 3.46 | 5.07 |
| ANA | 4.34 | 88 | 74 | 0.543 | 46 | 9 | 33 | 1436.0 | 1463 | 131 | 573 | 820 | 9.17 | 3.59 | 5.14 |
| KCR | 4.45 | 85 | 77 | 0.525 | 42 | 7 | 27 | 1448.0 | 1477 | 165 | 536 | 640 | 9.18 | 3.33 | 3.98 |
| CLE | 4.57 | 81 | 80 | 0.503 | 28 | 7 | 32 | 1431.0 | 1502 | 138 | 570 | 781 | 9.45 | 3.58 | 4.91 |
| SEA | 4.58 | 67 | 95 | 0.414 | 37 | 7 | 26 | 1438.0 | 1567 | 165 | 571 | 736 | 9.81 | 3.57 | 4.61 |
| OAK | 4.75 | 54 | 108 | 0.333 | 41 | 4 | 20 | 1429.0 | 1606 | 147 | 654 | 726 | 10.11 | 4.12 | 4.57 |
| TOR | 4.82 | 53 | 109 | 0.327 | 44 | 7 | 11 | 1417.0 | 1537 | 165 | 594 | 613 | 9.76 | 3.77 | 3.89 |
1979 - National League
| 1979 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| WSN | 3.14 | 95 | 65 | 0.594 | 33 | 18 | 39 | 1447.0 | 1379 | 116 | 450 | 813 | 8.58 | 2.80 | 5.06 |
| HOU | 3.20 | 89 | 73 | 0.549 | 55 | 19 | 31 | 1447.0 | 1278 | 90 | 504 | 854 | 7.95 | 3.13 | 5.31 |
| PIT | 3.41 | 98 | 64 | 0.601 | 24 | 7 | 52 | 1493.0 | 1424 | 125 | 504 | 904 | 8.58 | 3.04 | 5.45 |
| CIN | 3.58 | 90 | 71 | 0.559 | 27 | 10 | 40 | 1440.0 | 1415 | 103 | 485 | 773 | 8.84 | 3.03 | 4.83 |
| SDP | 3.69 | 68 | 93 | 0.422 | 29 | 7 | 25 | 1453.0 | 1438 | 108 | 513 | 779 | 8.91 | 3.18 | 4.83 |
| STL | 3.72 | 86 | 76 | 0.528 | 38 | 10 | 25 | 1486.0 | 1449 | 127 | 501 | 788 | 8.78 | 3.03 | 4.77 |
| LAD | 3.83 | 79 | 83 | 0.488 | 30 | 6 | 34 | 1444.0 | 1425 | 101 | 555 | 811 | 8.88 | 3.46 | 5.05 |
| NYM | 3.84 | 63 | 99 | 0.387 | 16 | 10 | 36 | 1482.0 | 1486 | 120 | 607 | 819 | 9.02 | 3.69 | 4.97 |
| CHC | 3.88 | 80 | 82 | 0.494 | 20 | 11 | 44 | 1446.0 | 1500 | 127 | 521 | 933 | 9.34 | 3.24 | 5.81 |
| PHI | 4.16 | 84 | 78 | 0.515 | 33 | 14 | 29 | 1441.0 | 1455 | 135 | 477 | 787 | 9.09 | 2.98 | 4.92 |
| SFG | 4.16 | 71 | 91 | 0.438 | 25 | 6 | 34 | 1436.0 | 1484 | 143 | 577 | 880 | 9.30 | 3.62 | 5.52 |
| ATL | 4.18 | 66 | 94 | 0.412 | 32 | 3 | 34 | 1407.0 | 1496 | 132 | 494 | 779 | 9.57 | 3.16 | 4.98 |
1978 - American League
| 1978 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.18 | 100 | 63 | 0.613 | 39 | 16 | 36 | 1460.0 | 1321 | 111 | 478 | 817 | 8.14 | 2.95 | 5.04 |
| TEX | 3.36 | 87 | 75 | 0.537 | 54 | 12 | 25 | 1456.0 | 1431 | 108 | 421 | 776 | 8.85 | 2.60 | 4.80 |
| KCR | 3.44 | 92 | 70 | 0.568 | 53 | 14 | 33 | 1439.0 | 1350 | 108 | 478 | 657 | 8.44 | 2.99 | 4.11 |
| BOS | 3.54 | 99 | 64 | 0.607 | 57 | 15 | 26 | 1472.0 | 1530 | 137 | 464 | 706 | 9.35 | 2.84 | 4.32 |
| BAL | 3.56 | 90 | 71 | 0.559 | 65 | 16 | 33 | 1429.0 | 1340 | 107 | 509 | 754 | 8.44 | 3.21 | 4.75 |
| OAK | 3.62 | 69 | 93 | 0.426 | 26 | 11 | 29 | 1433.0 | 1401 | 106 | 582 | 750 | 8.80 | 3.66 | 4.71 |
| DET | 3.64 | 86 | 76 | 0.531 | 60 | 12 | 21 | 1455.0 | 1441 | 135 | 503 | 684 | 8.91 | 3.11 | 4.23 |
| ANA | 3.65 | 87 | 75 | 0.537 | 44 | 13 | 33 | 1455.0 | 1382 | 125 | 599 | 892 | 8.55 | 3.71 | 5.52 |
| MIL | 3.65 | 93 | 69 | 0.574 | 62 | 19 | 24 | 1436.0 | 1442 | 109 | 398 | 577 | 9.04 | 2.49 | 3.62 |
| MIN | 3.69 | 73 | 89 | 0.451 | 48 | 9 | 26 | 1459.0 | 1468 | 102 | 520 | 703 | 9.06 | 3.21 | 4.34 |
| CLE | 3.97 | 69 | 90 | 0.434 | 36 | 6 | 28 | 1407.0 | 1397 | 100 | 568 | 739 | 8.94 | 3.63 | 4.73 |
| CHW | 4.21 | 71 | 90 | 0.441 | 38 | 9 | 33 | 1409.0 | 1380 | 128 | 586 | 710 | 8.81 | 3.74 | 4.54 |
| TOR | 4.54 | 59 | 102 | 0.366 | 35 | 5 | 23 | 1429.0 | 1529 | 149 | 614 | 758 | 9.63 | 3.87 | 4.77 |
| SEA | 4.67 | 56 | 104 | 0.350 | 28 | 4 | 20 | 1419.0 | 1540 | 155 | 567 | 630 | 9.77 | 3.60 | 4.00 |
1978 - National League
| 1978 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.12 | 95 | 67 | 0.586 | 46 | 16 | 38 | 1440.0 | 1362 | 107 | 440 | 800 | 8.51 | 2.75 | 5.00 |
| SDP | 3.28 | 84 | 78 | 0.519 | 21 | 10 | 55 | 1433.0 | 1385 | 74 | 483 | 744 | 8.70 | 3.03 | 4.67 |
| SFG | 3.30 | 89 | 73 | 0.549 | 42 | 17 | 29 | 1455.0 | 1377 | 84 | 453 | 840 | 8.52 | 2.80 | 5.20 |
| PHI | 3.33 | 90 | 72 | 0.556 | 38 | 9 | 29 | 1436.0 | 1343 | 118 | 393 | 813 | 8.42 | 2.46 | 5.10 |
| PIT | 3.41 | 88 | 73 | 0.547 | 30 | 13 | 44 | 1444.0 | 1366 | 103 | 499 | 880 | 8.51 | 3.11 | 5.48 |
| WSN | 3.42 | 76 | 86 | 0.469 | 42 | 13 | 32 | 1446.0 | 1332 | 117 | 572 | 740 | 8.29 | 3.56 | 4.61 |
| STL | 3.58 | 69 | 93 | 0.426 | 32 | 13 | 22 | 1437.0 | 1300 | 94 | 600 | 859 | 8.14 | 3.76 | 5.38 |
| HOU | 3.63 | 74 | 88 | 0.457 | 48 | 17 | 23 | 1440.0 | 1328 | 86 | 578 | 930 | 8.30 | 3.61 | 5.81 |
| CIN | 3.81 | 92 | 69 | 0.571 | 16 | 10 | 46 | 1448.0 | 1437 | 122 | 567 | 908 | 8.93 | 3.52 | 5.64 |
| NYM | 3.87 | 66 | 96 | 0.407 | 21 | 7 | 26 | 1455.0 | 1447 | 114 | 531 | 775 | 8.95 | 3.28 | 4.79 |
| CHC | 4.05 | 79 | 83 | 0.488 | 24 | 7 | 38 | 1455.0 | 1475 | 125 | 539 | 768 | 9.12 | 3.33 | 4.75 |
| ATL | 4.08 | 69 | 93 | 0.426 | 29 | 12 | 32 | 1440.0 | 1404 | 132 | 624 | 848 | 8.78 | 3.90 | 5.30 |
1977 - American League
| 1977 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| KCR | 3.52 | 102 | 60 | 0.630 | 41 | 15 | 42 | 1460.0 | 1377 | 110 | 499 | 850 | 8.49 | 3.08 | 5.24 |
| TEX | 3.56 | 94 | 68 | 0.580 | 49 | 17 | 31 | 1472.0 | 1412 | 134 | 471 | 864 | 8.63 | 2.88 | 5.28 |
| NYY | 3.61 | 100 | 62 | 0.617 | 52 | 16 | 34 | 1449.0 | 1395 | 139 | 486 | 758 | 8.66 | 3.02 | 4.71 |
| ANA | 3.72 | 74 | 88 | 0.457 | 53 | 13 | 26 | 1437.0 | 1383 | 136 | 572 | 965 | 8.66 | 3.58 | 6.04 |
| BAL | 3.74 | 97 | 64 | 0.602 | 65 | 11 | 23 | 1451.0 | 1414 | 124 | 494 | 737 | 8.77 | 3.06 | 4.57 |
| OAK | 4.04 | 63 | 98 | 0.391 | 32 | 4 | 26 | 1436.0 | 1459 | 145 | 560 | 788 | 9.14 | 3.51 | 4.94 |
| CLE | 4.10 | 71 | 90 | 0.441 | 45 | 8 | 30 | 1452.0 | 1441 | 136 | 550 | 876 | 8.93 | 3.41 | 5.43 |
| BOS | 4.11 | 97 | 64 | 0.602 | 40 | 13 | 40 | 1428.0 | 1555 | 158 | 378 | 758 | 9.80 | 2.38 | 4.78 |
| DET | 4.13 | 74 | 88 | 0.457 | 44 | 3 | 23 | 1457.0 | 1526 | 162 | 470 | 784 | 9.43 | 2.90 | 4.84 |
| CHW | 4.25 | 90 | 72 | 0.556 | 34 | 3 | 40 | 1444.0 | 1557 | 136 | 516 | 842 | 9.70 | 3.22 | 5.25 |
| MIL | 4.32 | 67 | 95 | 0.414 | 38 | 6 | 25 | 1431.0 | 1461 | 136 | 566 | 719 | 9.19 | 3.56 | 4.52 |
| MIN | 4.36 | 84 | 77 | 0.522 | 35 | 4 | 25 | 1442.0 | 1546 | 151 | 507 | 737 | 9.65 | 3.16 | 4.60 |
| TOR | 4.57 | 54 | 107 | 0.335 | 40 | 3 | 20 | 1428.0 | 1538 | 152 | 623 | 771 | 9.69 | 3.93 | 4.86 |
| SEA | 4.83 | 64 | 98 | 0.395 | 18 | 1 | 31 | 1433.0 | 1508 | 194 | 578 | 785 | 9.47 | 3.63 | 4.93 |
1977 - National League
| 1977 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.22 | 98 | 64 | 0.605 | 34 | 13 | 39 | 1475.0 | 1393 | 119 | 438 | 930 | 8.50 | 2.67 | 5.67 |
| HOU | 3.54 | 81 | 81 | 0.500 | 37 | 11 | 28 | 1465.0 | 1384 | 110 | 545 | 871 | 8.50 | 3.35 | 5.35 |
| PIT | 3.61 | 96 | 66 | 0.593 | 25 | 15 | 39 | 1481.0 | 1406 | 149 | 485 | 890 | 8.54 | 2.95 | 5.41 |
| PHI | 3.71 | 101 | 61 | 0.623 | 31 | 7 | 47 | 1455.0 | 1451 | 134 | 482 | 856 | 8.98 | 2.98 | 5.29 |
| SFG | 3.75 | 75 | 87 | 0.463 | 27 | 10 | 33 | 1459.0 | 1501 | 114 | 529 | 854 | 9.26 | 3.26 | 5.27 |
| NYM | 3.77 | 64 | 98 | 0.395 | 27 | 12 | 28 | 1433.0 | 1378 | 118 | 490 | 911 | 8.65 | 3.08 | 5.72 |
| STL | 3.81 | 83 | 79 | 0.512 | 26 | 10 | 31 | 1446.0 | 1420 | 139 | 532 | 768 | 8.84 | 3.31 | 4.78 |
| CHC | 4.01 | 81 | 81 | 0.500 | 16 | 10 | 44 | 1468.0 | 1500 | 128 | 489 | 942 | 9.20 | 3.00 | 5.78 |
| WSN | 4.01 | 75 | 87 | 0.463 | 31 | 11 | 33 | 1481.0 | 1426 | 135 | 579 | 856 | 8.67 | 3.52 | 5.20 |
| CIN | 4.21 | 88 | 74 | 0.543 | 33 | 12 | 32 | 1437.0 | 1469 | 156 | 544 | 868 | 9.20 | 3.41 | 5.44 |
| SDP | 4.43 | 69 | 93 | 0.426 | 6 | 5 | 44 | 1466.0 | 1556 | 160 | 673 | 827 | 9.55 | 4.13 | 5.08 |
| ATL | 4.85 | 61 | 101 | 0.377 | 28 | 5 | 31 | 1445.0 | 1581 | 169 | 701 | 915 | 9.85 | 4.37 | 5.70 |
1976 - American League
| 1976 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.19 | 97 | 62 | 0.610 | 62 | 15 | 37 | 1455.0 | 1300 | 97 | 448 | 674 | 8.04 | 2.77 | 4.17 |
| KCR | 3.21 | 90 | 72 | 0.556 | 41 | 12 | 35 | 1472.0 | 1356 | 83 | 493 | 735 | 8.29 | 3.01 | 4.49 |
| OAK | 3.26 | 87 | 74 | 0.540 | 39 | 15 | 29 | 1459.0 | 1412 | 96 | 415 | 711 | 8.71 | 2.56 | 4.39 |
| BAL | 3.32 | 88 | 74 | 0.543 | 59 | 16 | 23 | 1468.0 | 1396 | 80 | 489 | 678 | 8.56 | 3.00 | 4.16 |
| ANA | 3.36 | 76 | 86 | 0.469 | 64 | 15 | 17 | 1477.0 | 1323 | 95 | 553 | 992 | 8.06 | 3.37 | 6.04 |
| TEX | 3.45 | 76 | 86 | 0.469 | 63 | 15 | 15 | 1472.0 | 1464 | 106 | 461 | 773 | 8.95 | 2.82 | 4.73 |
| CLE | 3.47 | 81 | 78 | 0.509 | 30 | 17 | 46 | 1432.0 | 1361 | 80 | 533 | 928 | 8.55 | 3.35 | 5.83 |
| BOS | 3.52 | 83 | 79 | 0.512 | 49 | 13 | 27 | 1458.0 | 1495 | 109 | 409 | 673 | 9.23 | 2.52 | 4.15 |
| MIL | 3.64 | 66 | 95 | 0.410 | 45 | 10 | 27 | 1435.0 | 1406 | 99 | 567 | 677 | 8.82 | 3.56 | 4.25 |
| MIN | 3.69 | 85 | 77 | 0.525 | 29 | 11 | 23 | 1459.0 | 1421 | 89 | 610 | 762 | 8.77 | 3.76 | 4.70 |
| DET | 3.87 | 74 | 87 | 0.460 | 55 | 12 | 20 | 1431.0 | 1426 | 101 | 550 | 738 | 8.97 | 3.46 | 4.64 |
| CHW | 4.25 | 64 | 97 | 0.398 | 54 | 10 | 22 | 1448.0 | 1460 | 87 | 600 | 802 | 9.07 | 3.73 | 4.98 |
1976 - National League
| 1976 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYM | 2.94 | 86 | 76 | 0.531 | 53 | 18 | 25 | 1449.0 | 1248 | 97 | 419 | 1025 | 7.75 | 2.60 | 6.37 |
| LAD | 3.02 | 92 | 70 | 0.568 | 47 | 17 | 28 | 1470.0 | 1330 | 97 | 479 | 747 | 8.14 | 2.93 | 4.57 |
| PHI | 3.08 | 101 | 61 | 0.623 | 34 | 9 | 44 | 1459.0 | 1377 | 98 | 397 | 918 | 8.49 | 2.45 | 5.66 |
| PIT | 3.36 | 92 | 70 | 0.568 | 45 | 12 | 35 | 1466.0 | 1402 | 95 | 460 | 762 | 8.61 | 2.82 | 4.68 |
| CIN | 3.51 | 102 | 60 | 0.630 | 33 | 12 | 45 | 1471.0 | 1436 | 100 | 491 | 790 | 8.79 | 3.00 | 4.83 |
| SFG | 3.53 | 74 | 88 | 0.457 | 27 | 18 | 31 | 1461.0 | 1464 | 68 | 518 | 746 | 9.02 | 3.19 | 4.60 |
| HOU | 3.56 | 80 | 82 | 0.494 | 42 | 17 | 29 | 1444.0 | 1349 | 82 | 662 | 780 | 8.41 | 4.13 | 4.86 |
| STL | 3.60 | 72 | 90 | 0.444 | 35 | 15 | 26 | 1453.0 | 1416 | 91 | 581 | 731 | 8.77 | 3.60 | 4.53 |
| SDP | 3.65 | 73 | 89 | 0.451 | 47 | 11 | 18 | 1432.0 | 1368 | 87 | 543 | 652 | 8.60 | 3.41 | 4.10 |
| ATL | 3.86 | 70 | 92 | 0.432 | 33 | 13 | 27 | 1438.0 | 1435 | 86 | 564 | 818 | 8.98 | 3.53 | 5.12 |
| CHC | 3.93 | 75 | 87 | 0.463 | 27 | 12 | 33 | 1471.0 | 1511 | 123 | 490 | 850 | 9.24 | 3.00 | 5.20 |
| WSN | 3.99 | 55 | 107 | 0.340 | 26 | 10 | 21 | 1440.0 | 1442 | 89 | 659 | 783 | 9.01 | 4.12 | 4.89 |
1975 - American League
| 1975 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.17 | 90 | 69 | 0.566 | 70 | 19 | 21 | 1451.0 | 1285 | 110 | 500 | 717 | 7.97 | 3.10 | 4.45 |
| OAK | 3.27 | 98 | 64 | 0.605 | 36 | 10 | 44 | 1448.0 | 1267 | 102 | 523 | 784 | 7.88 | 3.25 | 4.87 |
| NYY | 3.29 | 83 | 77 | 0.519 | 70 | 11 | 20 | 1424.0 | 1325 | 104 | 502 | 809 | 8.37 | 3.17 | 5.11 |
| KCR | 3.47 | 91 | 71 | 0.562 | 52 | 11 | 25 | 1456.0 | 1422 | 108 | 498 | 815 | 8.79 | 3.08 | 5.04 |
| CLE | 3.84 | 79 | 80 | 0.497 | 37 | 6 | 33 | 1435.0 | 1395 | 136 | 599 | 800 | 8.75 | 3.76 | 5.02 |
| TEX | 3.86 | 79 | 83 | 0.488 | 60 | 16 | 17 | 1465.0 | 1456 | 123 | 518 | 792 | 8.94 | 3.18 | 4.87 |
| ANA | 3.89 | 72 | 89 | 0.447 | 59 | 19 | 16 | 1453.0 | 1386 | 123 | 613 | 975 | 8.58 | 3.80 | 6.04 |
| CHW | 3.93 | 75 | 86 | 0.466 | 34 | 7 | 39 | 1452.0 | 1489 | 107 | 655 | 799 | 9.23 | 4.06 | 4.95 |
| BOS | 3.98 | 95 | 65 | 0.594 | 62 | 11 | 31 | 1436.0 | 1463 | 145 | 490 | 720 | 9.17 | 3.07 | 4.51 |
| MIN | 4.05 | 76 | 83 | 0.478 | 57 | 7 | 22 | 1423.0 | 1381 | 137 | 617 | 846 | 8.73 | 3.90 | 5.35 |
| DET | 4.27 | 57 | 102 | 0.358 | 52 | 10 | 17 | 1396.0 | 1496 | 137 | 533 | 787 | 9.64 | 3.44 | 5.07 |
| MIL | 4.34 | 68 | 94 | 0.420 | 36 | 10 | 34 | 1431.0 | 1496 | 133 | 624 | 643 | 9.41 | 3.92 | 4.04 |
1975 - National League
| 1975 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.92 | 88 | 74 | 0.543 | 51 | 18 | 21 | 1469.0 | 1215 | 104 | 448 | 894 | 7.44 | 2.74 | 5.48 |
| PIT | 3.01 | 92 | 69 | 0.571 | 43 | 14 | 31 | 1437.0 | 1302 | 79 | 551 | 768 | 8.15 | 3.45 | 4.81 |
| CIN | 3.37 | 108 | 54 | 0.667 | 22 | 8 | 50 | 1459.0 | 1422 | 112 | 487 | 663 | 8.77 | 3.00 | 4.09 |
| NYM | 3.39 | 82 | 80 | 0.506 | 40 | 14 | 31 | 1466.0 | 1344 | 99 | 580 | 989 | 8.25 | 3.56 | 6.07 |
| SDP | 3.48 | 71 | 91 | 0.438 | 40 | 12 | 20 | 1463.0 | 1494 | 99 | 521 | 713 | 9.19 | 3.21 | 4.39 |
| STL | 3.57 | 82 | 80 | 0.503 | 33 | 13 | 36 | 1454.0 | 1452 | 98 | 571 | 824 | 8.99 | 3.53 | 5.10 |
| WSN | 3.72 | 75 | 87 | 0.463 | 30 | 12 | 25 | 1480.0 | 1448 | 102 | 665 | 831 | 8.81 | 4.04 | 5.05 |
| SFG | 3.74 | 80 | 81 | 0.497 | 37 | 9 | 24 | 1432.0 | 1406 | 92 | 612 | 856 | 8.84 | 3.85 | 5.38 |
| PHI | 3.82 | 86 | 76 | 0.531 | 33 | 11 | 30 | 1455.0 | 1353 | 111 | 546 | 897 | 8.37 | 3.38 | 5.55 |
| ATL | 3.91 | 67 | 94 | 0.416 | 32 | 4 | 24 | 1430.0 | 1543 | 101 | 519 | 669 | 9.71 | 3.27 | 4.21 |
| HOU | 4.04 | 64 | 97 | 0.395 | 39 | 6 | 25 | 1458.0 | 1436 | 106 | 679 | 839 | 8.86 | 4.19 | 5.18 |
| CHC | 4.49 | 75 | 87 | 0.463 | 27 | 8 | 33 | 1444.0 | 1587 | 130 | 551 | 850 | 9.89 | 3.43 | 5.30 |
1974 - American League
| 1974 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 2.95 | 90 | 72 | 0.556 | 49 | 12 | 28 | 1439.0 | 1322 | 90 | 430 | 755 | 8.27 | 2.69 | 4.72 |
| BAL | 3.27 | 91 | 71 | 0.562 | 57 | 16 | 25 | 1474.0 | 1393 | 101 | 480 | 701 | 8.51 | 2.93 | 4.28 |
| NYY | 3.31 | 89 | 73 | 0.549 | 53 | 13 | 24 | 1455.0 | 1402 | 104 | 528 | 829 | 8.67 | 3.27 | 5.13 |
| KCR | 3.51 | 77 | 85 | 0.475 | 54 | 13 | 17 | 1471.0 | 1477 | 91 | 482 | 731 | 9.04 | 2.95 | 4.47 |
| ANA | 3.52 | 68 | 94 | 0.417 | 64 | 13 | 12 | 1439.0 | 1339 | 101 | 649 | 986 | 8.37 | 4.06 | 6.17 |
| MIN | 3.64 | 82 | 80 | 0.503 | 43 | 11 | 29 | 1455.0 | 1436 | 115 | 513 | 934 | 8.88 | 3.17 | 5.78 |
| BOS | 3.72 | 84 | 78 | 0.519 | 71 | 12 | 18 | 1455.0 | 1462 | 126 | 463 | 751 | 9.04 | 2.86 | 4.65 |
| MIL | 3.76 | 76 | 86 | 0.469 | 43 | 11 | 24 | 1457.0 | 1476 | 126 | 493 | 621 | 9.12 | 3.05 | 3.84 |
| CLE | 3.80 | 77 | 85 | 0.475 | 45 | 9 | 27 | 1445.0 | 1419 | 138 | 479 | 650 | 8.84 | 2.98 | 4.05 |
| TEX | 3.82 | 84 | 76 | 0.522 | 62 | 16 | 12 | 1433.0 | 1423 | 126 | 449 | 871 | 8.94 | 2.82 | 5.47 |
| CHW | 3.94 | 80 | 80 | 0.491 | 55 | 11 | 29 | 1465.0 | 1470 | 103 | 548 | 826 | 9.03 | 3.37 | 5.07 |
| DET | 4.16 | 72 | 90 | 0.444 | 54 | 7 | 15 | 1455.0 | 1443 | 148 | 621 | 869 | 8.93 | 3.84 | 5.38 |
1974 - National League
| 1974 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.97 | 102 | 60 | 0.630 | 33 | 19 | 23 | 1465.0 | 1272 | 112 | 464 | 943 | 7.81 | 2.85 | 5.79 |
| ATL | 3.05 | 88 | 74 | 0.540 | 46 | 21 | 22 | 1474.0 | 1343 | 97 | 488 | 772 | 8.20 | 2.98 | 4.71 |
| CIN | 3.41 | 98 | 64 | 0.601 | 34 | 11 | 27 | 1466.0 | 1364 | 126 | 536 | 875 | 8.37 | 3.29 | 5.37 |
| NYM | 3.42 | 71 | 91 | 0.438 | 46 | 15 | 14 | 1470.0 | 1433 | 99 | 504 | 908 | 8.77 | 3.09 | 5.56 |
| HOU | 3.46 | 81 | 81 | 0.500 | 36 | 18 | 18 | 1450.0 | 1396 | 84 | 601 | 738 | 8.66 | 3.73 | 4.58 |
| STL | 3.48 | 86 | 75 | 0.534 | 37 | 13 | 20 | 1473.0 | 1399 | 97 | 616 | 794 | 8.55 | 3.76 | 4.85 |
| PIT | 3.49 | 88 | 74 | 0.543 | 51 | 9 | 17 | 1466.0 | 1428 | 93 | 543 | 721 | 8.77 | 3.33 | 4.43 |
| WSN | 3.60 | 79 | 82 | 0.491 | 35 | 8 | 27 | 1429.0 | 1340 | 99 | 544 | 822 | 8.44 | 3.43 | 5.18 |
| SFG | 3.78 | 72 | 90 | 0.444 | 27 | 11 | 25 | 1439.0 | 1409 | 116 | 559 | 756 | 8.81 | 3.50 | 4.73 |
| PHI | 3.91 | 80 | 82 | 0.494 | 46 | 4 | 19 | 1447.0 | 1394 | 111 | 682 | 892 | 8.67 | 4.24 | 5.55 |
| CHC | 4.28 | 66 | 96 | 0.407 | 23 | 6 | 26 | 1466.0 | 1593 | 122 | 576 | 895 | 9.78 | 3.54 | 5.49 |
| SDP | 4.58 | 60 | 102 | 0.370 | 25 | 7 | 19 | 1445.0 | 1536 | 124 | 715 | 855 | 9.57 | 4.45 | 5.33 |
1973 - American League
| 1973 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.07 | 97 | 65 | 0.599 | 67 | 14 | 26 | 1461.0 | 1297 | 124 | 475 | 715 | 7.99 | 2.93 | 4.40 |
| OAK | 3.29 | 94 | 68 | 0.580 | 46 | 16 | 41 | 1457.0 | 1311 | 143 | 494 | 797 | 8.10 | 3.05 | 4.92 |
| NYY | 3.34 | 80 | 82 | 0.494 | 47 | 16 | 39 | 1427.0 | 1379 | 109 | 457 | 708 | 8.70 | 2.88 | 4.47 |
| ANA | 3.53 | 79 | 83 | 0.488 | 72 | 13 | 19 | 1456.0 | 1351 | 104 | 614 | 1010 | 8.35 | 3.80 | 6.24 |
| BOS | 3.65 | 89 | 73 | 0.549 | 67 | 10 | 33 | 1440.0 | 1417 | 158 | 499 | 808 | 8.86 | 3.12 | 5.05 |
| MIN | 3.77 | 81 | 81 | 0.500 | 48 | 18 | 34 | 1451.0 | 1443 | 115 | 519 | 879 | 8.95 | 3.22 | 5.45 |
| CHW | 3.86 | 77 | 85 | 0.475 | 48 | 15 | 35 | 1456.0 | 1484 | 110 | 574 | 848 | 9.17 | 3.55 | 5.24 |
| DET | 3.90 | 85 | 77 | 0.525 | 39 | 11 | 46 | 1447.0 | 1468 | 154 | 493 | 911 | 9.13 | 3.07 | 5.67 |
| MIL | 3.98 | 74 | 88 | 0.457 | 50 | 11 | 28 | 1454.0 | 1476 | 119 | 623 | 671 | 9.14 | 3.86 | 4.15 |
| KCR | 4.19 | 88 | 74 | 0.543 | 40 | 7 | 41 | 1449.0 | 1521 | 114 | 617 | 790 | 9.45 | 3.83 | 4.91 |
| CLE | 4.58 | 71 | 91 | 0.438 | 55 | 9 | 21 | 1464.0 | 1532 | 172 | 602 | 883 | 9.42 | 3.70 | 5.43 |
| TEX | 4.64 | 57 | 105 | 0.352 | 35 | 10 | 27 | 1430.0 | 1514 | 130 | 680 | 831 | 9.53 | 4.28 | 5.23 |
1973 - National League
| 1973 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.00 | 95 | 66 | 0.586 | 45 | 15 | 38 | 1491.0 | 1270 | 129 | 461 | 961 | 7.67 | 2.78 | 5.80 |
| STL | 3.25 | 81 | 81 | 0.500 | 42 | 14 | 36 | 1460.0 | 1366 | 105 | 486 | 867 | 8.42 | 3.00 | 5.34 |
| NYM | 3.26 | 82 | 79 | 0.509 | 47 | 15 | 40 | 1465.0 | 1345 | 127 | 490 | 1027 | 8.26 | 3.01 | 6.31 |
| CIN | 3.40 | 99 | 63 | 0.611 | 39 | 17 | 43 | 1473.0 | 1389 | 135 | 518 | 801 | 8.49 | 3.16 | 4.89 |
| CHC | 3.66 | 77 | 84 | 0.478 | 27 | 13 | 40 | 1437.0 | 1471 | 128 | 438 | 885 | 9.21 | 2.74 | 5.54 |
| WSN | 3.71 | 79 | 83 | 0.488 | 26 | 6 | 38 | 1451.0 | 1356 | 128 | 681 | 866 | 8.41 | 4.22 | 5.37 |
| PIT | 3.73 | 80 | 82 | 0.494 | 26 | 11 | 44 | 1450.0 | 1426 | 110 | 564 | 839 | 8.85 | 3.50 | 5.21 |
| HOU | 3.75 | 82 | 80 | 0.506 | 45 | 14 | 26 | 1460.0 | 1389 | 111 | 575 | 907 | 8.56 | 3.54 | 5.59 |
| SFG | 3.79 | 88 | 74 | 0.543 | 33 | 8 | 44 | 1452.0 | 1442 | 145 | 485 | 787 | 8.94 | 3.01 | 4.88 |
| PHI | 3.99 | 71 | 91 | 0.438 | 49 | 11 | 22 | 1447.0 | 1435 | 131 | 632 | 919 | 8.93 | 3.93 | 5.72 |
| SDP | 4.16 | 60 | 102 | 0.370 | 34 | 10 | 23 | 1430.0 | 1461 | 157 | 548 | 845 | 9.20 | 3.45 | 5.32 |
| ATL | 4.25 | 76 | 85 | 0.469 | 34 | 9 | 35 | 1462.0 | 1467 | 144 | 575 | 803 | 9.03 | 3.54 | 4.94 |
1972 - American League
| 1972 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 2.53 | 80 | 74 | 0.519 | 62 | 20 | 21 | 1371.0 | 1116 | 85 | 395 | 788 | 7.33 | 2.59 | 5.17 |
| OAK | 2.58 | 93 | 62 | 0.600 | 42 | 23 | 43 | 1417.0 | 1170 | 96 | 418 | 862 | 7.43 | 2.65 | 5.47 |
| MIN | 2.84 | 77 | 77 | 0.500 | 37 | 17 | 34 | 1399.0 | 1188 | 105 | 444 | 838 | 7.64 | 2.86 | 5.39 |
| CLE | 2.92 | 72 | 84 | 0.462 | 47 | 13 | 24 | 1410.0 | 1232 | 123 | 534 | 846 | 7.86 | 3.41 | 5.40 |
| DET | 2.96 | 86 | 70 | 0.551 | 46 | 11 | 33 | 1388.0 | 1212 | 101 | 465 | 952 | 7.86 | 3.02 | 6.17 |
| NYY | 3.05 | 79 | 76 | 0.510 | 35 | 19 | 39 | 1373.0 | 1306 | 87 | 419 | 625 | 8.56 | 2.75 | 4.10 |
| ANA | 3.06 | 75 | 80 | 0.484 | 57 | 18 | 16 | 1377.0 | 1109 | 90 | 620 | 1000 | 7.25 | 4.05 | 6.54 |
| CHW | 3.12 | 87 | 67 | 0.565 | 36 | 14 | 42 | 1385.0 | 1269 | 94 | 431 | 936 | 8.25 | 2.80 | 6.08 |
| KCR | 3.24 | 76 | 78 | 0.494 | 44 | 16 | 29 | 1381.0 | 1293 | 85 | 405 | 801 | 8.43 | 2.64 | 5.22 |
| MIL | 3.45 | 65 | 91 | 0.417 | 37 | 14 | 32 | 1391.0 | 1289 | 116 | 486 | 740 | 8.34 | 3.14 | 4.79 |
| BOS | 3.47 | 85 | 70 | 0.548 | 48 | 20 | 25 | 1382.0 | 1309 | 101 | 512 | 918 | 8.52 | 3.33 | 5.98 |
| TEX | 3.53 | 54 | 100 | 0.351 | 11 | 8 | 34 | 1374.0 | 1258 | 92 | 613 | 868 | 8.24 | 4.02 | 5.69 |
1972 - National League
| 1972 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.78 | 85 | 70 | 0.548 | 50 | 23 | 29 | 1403.0 | 1196 | 83 | 429 | 856 | 7.67 | 2.75 | 5.49 |
| PIT | 2.81 | 96 | 59 | 0.619 | 39 | 15 | 48 | 1414.0 | 1282 | 90 | 433 | 838 | 8.16 | 2.76 | 5.33 |
| CIN | 3.21 | 95 | 59 | 0.617 | 25 | 15 | 60 | 1412.0 | 1313 | 129 | 435 | 806 | 8.37 | 2.77 | 5.14 |
| CHC | 3.22 | 85 | 70 | 0.545 | 54 | 19 | 32 | 1398.0 | 1329 | 112 | 421 | 824 | 8.56 | 2.71 | 5.30 |
| NYM | 3.26 | 83 | 73 | 0.532 | 32 | 12 | 41 | 1414.0 | 1263 | 118 | 486 | 1059 | 8.04 | 3.09 | 6.74 |
| STL | 3.42 | 75 | 81 | 0.481 | 64 | 13 | 13 | 1399.0 | 1290 | 87 | 531 | 912 | 8.30 | 3.42 | 5.87 |
| WSN | 3.59 | 70 | 86 | 0.449 | 39 | 11 | 23 | 1401.0 | 1281 | 103 | 579 | 888 | 8.23 | 3.72 | 5.70 |
| PHI | 3.66 | 59 | 97 | 0.378 | 43 | 13 | 15 | 1400.0 | 1318 | 117 | 536 | 927 | 8.47 | 3.45 | 5.96 |
| SFG | 3.69 | 69 | 86 | 0.445 | 44 | 8 | 23 | 1386.0 | 1309 | 130 | 507 | 771 | 8.50 | 3.29 | 5.01 |
| HOU | 3.77 | 84 | 69 | 0.549 | 38 | 14 | 31 | 1385.0 | 1340 | 114 | 498 | 971 | 8.71 | 3.24 | 6.31 |
| SDP | 3.78 | 58 | 95 | 0.379 | 39 | 17 | 19 | 1403.0 | 1350 | 121 | 618 | 960 | 8.66 | 3.96 | 6.16 |
| ATL | 4.27 | 70 | 84 | 0.452 | 40 | 4 | 27 | 1377.0 | 1412 | 155 | 512 | 732 | 9.23 | 3.35 | 4.78 |
1971 - American League
| 1971 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 2.99 | 101 | 57 | 0.639 | 71 | 15 | 22 | 1415.0 | 1257 | 125 | 416 | 793 | 8.00 | 2.65 | 5.04 |
| OAK | 3.05 | 101 | 60 | 0.627 | 57 | 18 | 36 | 1469.0 | 1229 | 131 | 501 | 999 | 7.53 | 3.07 | 6.12 |
| ANA | 3.10 | 76 | 86 | 0.469 | 39 | 11 | 32 | 1481.0 | 1246 | 101 | 607 | 904 | 7.57 | 3.69 | 5.49 |
| CHW | 3.12 | 79 | 83 | 0.488 | 46 | 19 | 32 | 1450.0 | 1348 | 100 | 468 | 976 | 8.37 | 2.90 | 6.06 |
| KCR | 3.25 | 85 | 76 | 0.528 | 34 | 15 | 44 | 1420.0 | 1301 | 84 | 496 | 775 | 8.25 | 3.14 | 4.91 |
| MIL | 3.38 | 69 | 92 | 0.429 | 32 | 23 | 32 | 1416.0 | 1303 | 130 | 569 | 795 | 8.28 | 3.62 | 5.05 |
| NYY | 3.43 | 82 | 80 | 0.506 | 67 | 15 | 12 | 1452.0 | 1382 | 126 | 423 | 707 | 8.57 | 2.62 | 4.38 |
| DET | 3.63 | 91 | 71 | 0.562 | 53 | 11 | 32 | 1468.0 | 1355 | 126 | 609 | 1000 | 8.31 | 3.73 | 6.13 |
| TEX | 3.70 | 63 | 96 | 0.396 | 30 | 10 | 26 | 1418.0 | 1376 | 132 | 554 | 762 | 8.73 | 3.52 | 4.84 |
| BOS | 3.80 | 85 | 77 | 0.525 | 44 | 11 | 35 | 1443.0 | 1424 | 136 | 535 | 871 | 8.88 | 3.34 | 5.43 |
| MIN | 3.81 | 74 | 86 | 0.463 | 43 | 9 | 25 | 1416.0 | 1384 | 139 | 529 | 895 | 8.80 | 3.36 | 5.69 |
| CLE | 4.28 | 60 | 102 | 0.370 | 21 | 7 | 32 | 1440.0 | 1352 | 154 | 770 | 937 | 8.45 | 4.81 | 5.86 |
1971 - National League
| 1971 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYM | 2.99 | 83 | 79 | 0.512 | 42 | 13 | 22 | 1466.0 | 1227 | 100 | 529 | 1157 | 7.53 | 3.25 | 7.10 |
| HOU | 3.13 | 79 | 83 | 0.488 | 43 | 10 | 25 | 1471.0 | 1318 | 75 | 475 | 914 | 8.06 | 2.91 | 5.59 |
| SDP | 3.22 | 61 | 100 | 0.379 | 47 | 10 | 17 | 1438.0 | 1351 | 93 | 559 | 923 | 8.46 | 3.50 | 5.78 |
| LAD | 3.23 | 89 | 73 | 0.549 | 48 | 18 | 33 | 1449.0 | 1363 | 110 | 399 | 853 | 8.47 | 2.48 | 5.30 |
| PIT | 3.31 | 97 | 65 | 0.599 | 43 | 15 | 48 | 1461.0 | 1426 | 108 | 470 | 813 | 8.78 | 2.90 | 5.01 |
| SFG | 3.32 | 90 | 72 | 0.556 | 45 | 14 | 30 | 1454.0 | 1324 | 128 | 471 | 831 | 8.20 | 2.92 | 5.14 |
| CIN | 3.35 | 79 | 83 | 0.488 | 27 | 11 | 38 | 1444.0 | 1298 | 112 | 501 | 750 | 8.09 | 3.12 | 4.67 |
| CHC | 3.61 | 83 | 79 | 0.512 | 75 | 17 | 13 | 1444.0 | 1458 | 132 | 411 | 900 | 9.09 | 2.56 | 5.61 |
| PHI | 3.71 | 67 | 95 | 0.414 | 31 | 10 | 25 | 1470.0 | 1396 | 132 | 525 | 838 | 8.55 | 3.21 | 5.13 |
| ATL | 3.75 | 82 | 80 | 0.506 | 40 | 11 | 31 | 1474.0 | 1529 | 152 | 485 | 823 | 9.34 | 2.96 | 5.03 |
| STL | 3.85 | 90 | 72 | 0.552 | 56 | 14 | 22 | 1467.0 | 1482 | 104 | 576 | 911 | 9.09 | 3.53 | 5.59 |
| WSN | 4.12 | 71 | 90 | 0.438 | 49 | 8 | 25 | 1434.0 | 1418 | 133 | 658 | 829 | 8.90 | 4.13 | 5.20 |
1970 - American League
| 1970 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.15 | 108 | 54 | 0.667 | 60 | 12 | 31 | 1478.0 | 1317 | 139 | 469 | 941 | 8.02 | 2.86 | 5.73 |
| MIN | 3.23 | 98 | 64 | 0.605 | 26 | 12 | 58 | 1448.0 | 1329 | 130 | 486 | 940 | 8.26 | 3.02 | 5.84 |
| NYY | 3.24 | 93 | 69 | 0.571 | 36 | 6 | 49 | 1471.0 | 1386 | 130 | 451 | 777 | 8.48 | 2.76 | 4.75 |
| OAK | 3.30 | 89 | 73 | 0.549 | 33 | 15 | 40 | 1442.0 | 1253 | 134 | 542 | 858 | 7.82 | 3.38 | 5.36 |
| ANA | 3.48 | 86 | 76 | 0.531 | 21 | 10 | 49 | 1462.0 | 1280 | 154 | 559 | 922 | 7.88 | 3.44 | 5.68 |
| KCR | 3.78 | 65 | 97 | 0.401 | 30 | 11 | 25 | 1463.0 | 1346 | 138 | 641 | 915 | 8.28 | 3.94 | 5.63 |
| TEX | 3.80 | 70 | 92 | 0.432 | 20 | 11 | 40 | 1457.0 | 1375 | 139 | 611 | 823 | 8.49 | 3.77 | 5.08 |
| BOS | 3.87 | 87 | 75 | 0.537 | 38 | 8 | 44 | 1446.0 | 1391 | 156 | 594 | 1003 | 8.66 | 3.70 | 6.24 |
| CLE | 3.91 | 76 | 86 | 0.469 | 34 | 8 | 35 | 1451.0 | 1333 | 163 | 689 | 1076 | 8.27 | 4.27 | 6.67 |
| DET | 4.09 | 79 | 83 | 0.488 | 33 | 9 | 39 | 1447.0 | 1443 | 153 | 623 | 1045 | 8.98 | 3.87 | 6.50 |
| MIL | 4.21 | 65 | 97 | 0.399 | 31 | 2 | 27 | 1446.0 | 1397 | 146 | 587 | 895 | 8.70 | 3.65 | 5.57 |
| CHW | 4.54 | 56 | 106 | 0.346 | 20 | 6 | 30 | 1430.0 | 1554 | 164 | 556 | 762 | 9.78 | 3.50 | 4.80 |
1970 - National League
| 1970 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYM | 3.45 | 83 | 79 | 0.512 | 47 | 10 | 32 | 1459.0 | 1260 | 135 | 575 | 1064 | 7.77 | 3.55 | 6.56 |
| CIN | 3.69 | 102 | 60 | 0.630 | 32 | 15 | 60 | 1444.0 | 1370 | 118 | 592 | 843 | 8.54 | 3.69 | 5.25 |
| PIT | 3.70 | 89 | 73 | 0.549 | 36 | 13 | 43 | 1453.0 | 1386 | 106 | 625 | 990 | 8.58 | 3.87 | 6.13 |
| CHC | 3.76 | 84 | 78 | 0.519 | 59 | 9 | 25 | 1435.0 | 1402 | 143 | 475 | 1000 | 8.79 | 2.98 | 6.27 |
| LAD | 3.82 | 87 | 74 | 0.540 | 37 | 17 | 42 | 1458.0 | 1394 | 164 | 496 | 880 | 8.60 | 3.06 | 5.43 |
| STL | 4.06 | 76 | 86 | 0.469 | 51 | 11 | 20 | 1475.0 | 1483 | 102 | 632 | 960 | 9.05 | 3.86 | 5.86 |
| PHI | 4.17 | 73 | 88 | 0.453 | 24 | 8 | 36 | 1461.0 | 1483 | 132 | 538 | 1047 | 9.14 | 3.31 | 6.45 |
| HOU | 4.23 | 79 | 83 | 0.488 | 36 | 6 | 35 | 1456.0 | 1491 | 131 | 577 | 942 | 9.22 | 3.57 | 5.82 |
| ATL | 4.33 | 76 | 86 | 0.469 | 45 | 9 | 24 | 1430.0 | 1451 | 185 | 478 | 960 | 9.13 | 3.01 | 6.04 |
| SDP | 4.36 | 63 | 99 | 0.389 | 24 | 9 | 32 | 1440.0 | 1483 | 149 | 611 | 886 | 9.27 | 3.82 | 5.54 |
| WSN | 4.50 | 73 | 89 | 0.451 | 29 | 10 | 32 | 1438.0 | 1434 | 162 | 716 | 914 | 8.97 | 4.48 | 5.72 |
| SFG | 4.50 | 86 | 76 | 0.531 | 50 | 7 | 30 | 1457.0 | 1514 | 156 | 604 | 931 | 9.35 | 3.73 | 5.75 |
1969 - American League
| 1969 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 2.83 | 109 | 53 | 0.673 | 50 | 20 | 36 | 1473.0 | 1194 | 117 | 498 | 897 | 7.30 | 3.04 | 5.48 |
| NYY | 3.23 | 80 | 81 | 0.494 | 53 | 13 | 20 | 1440.0 | 1258 | 118 | 522 | 801 | 7.86 | 3.26 | 5.01 |
| MIN | 3.24 | 97 | 65 | 0.599 | 41 | 8 | 43 | 1497.0 | 1388 | 119 | 524 | 906 | 8.34 | 3.15 | 5.45 |
| DET | 3.31 | 90 | 72 | 0.556 | 55 | 20 | 28 | 1455.0 | 1250 | 128 | 586 | 1032 | 7.73 | 3.62 | 6.38 |
| TEX | 3.49 | 86 | 76 | 0.531 | 28 | 10 | 41 | 1447.0 | 1310 | 135 | 656 | 835 | 8.15 | 4.08 | 5.19 |
| ANA | 3.54 | 71 | 91 | 0.436 | 25 | 9 | 39 | 1438.0 | 1294 | 126 | 517 | 885 | 8.10 | 3.24 | 5.54 |
| OAK | 3.71 | 88 | 74 | 0.543 | 42 | 14 | 36 | 1480.0 | 1356 | 163 | 586 | 887 | 8.25 | 3.56 | 5.39 |
| KCR | 3.72 | 69 | 93 | 0.423 | 42 | 10 | 25 | 1464.0 | 1357 | 136 | 560 | 894 | 8.34 | 3.44 | 5.50 |
| BOS | 3.92 | 87 | 75 | 0.537 | 30 | 7 | 41 | 1466.0 | 1423 | 155 | 685 | 935 | 8.74 | 4.21 | 5.74 |
| CLE | 3.94 | 62 | 99 | 0.385 | 35 | 7 | 22 | 1437.0 | 1330 | 134 | 681 | 1000 | 8.33 | 4.27 | 6.26 |
| CHW | 4.21 | 68 | 94 | 0.420 | 29 | 10 | 25 | 1437.0 | 1470 | 146 | 564 | 810 | 9.21 | 3.53 | 5.07 |
| MIL | 4.35 | 64 | 98 | 0.393 | 21 | 6 | 33 | 1463.0 | 1490 | 172 | 653 | 963 | 9.17 | 4.02 | 5.92 |
1969 - National League
| 1969 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 2.94 | 87 | 75 | 0.537 | 63 | 12 | 26 | 1460.0 | 1289 | 99 | 511 | 1004 | 7.95 | 3.15 | 6.19 |
| NYM | 2.99 | 100 | 62 | 0.617 | 51 | 28 | 35 | 1468.0 | 1217 | 119 | 517 | 1012 | 7.46 | 3.17 | 6.20 |
| LAD | 3.08 | 85 | 77 | 0.525 | 47 | 20 | 31 | 1457.0 | 1324 | 122 | 420 | 975 | 8.18 | 2.59 | 6.02 |
| SFG | 3.26 | 90 | 72 | 0.556 | 71 | 15 | 17 | 1473.0 | 1381 | 120 | 461 | 906 | 8.44 | 2.82 | 5.54 |
| CHC | 3.34 | 92 | 70 | 0.564 | 58 | 22 | 27 | 1454.0 | 1366 | 118 | 475 | 1017 | 8.46 | 2.94 | 6.30 |
| ATL | 3.53 | 93 | 69 | 0.574 | 38 | 7 | 42 | 1445.0 | 1334 | 144 | 438 | 893 | 8.31 | 2.73 | 5.56 |
| HOU | 3.60 | 81 | 81 | 0.500 | 52 | 11 | 34 | 1435.0 | 1347 | 111 | 547 | 1221 | 8.45 | 3.43 | 7.66 |
| PIT | 3.61 | 88 | 74 | 0.543 | 39 | 9 | 33 | 1445.0 | 1348 | 96 | 553 | 1124 | 8.40 | 3.44 | 7.00 |
| CIN | 4.11 | 89 | 73 | 0.546 | 23 | 11 | 44 | 1465.0 | 1478 | 149 | 611 | 818 | 9.08 | 3.75 | 5.03 |
| PHI | 4.14 | 63 | 99 | 0.389 | 47 | 14 | 21 | 1434.0 | 1494 | 134 | 570 | 921 | 9.38 | 3.58 | 5.78 |
| SDP | 4.24 | 52 | 110 | 0.321 | 16 | 9 | 25 | 1422.0 | 1454 | 113 | 592 | 764 | 9.20 | 3.75 | 4.84 |
| WSN | 4.33 | 52 | 110 | 0.321 | 26 | 8 | 21 | 1426.0 | 1429 | 145 | 702 | 973 | 9.02 | 4.43 | 6.14 |
1968 - American League
| 1968 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 2.66 | 91 | 71 | 0.562 | 53 | 16 | 31 | 1451.0 | 1111 | 101 | 502 | 1044 | 6.89 | 3.11 | 6.48 |
| CLE | 2.66 | 86 | 75 | 0.531 | 48 | 23 | 32 | 1464.0 | 1087 | 98 | 540 | 1157 | 6.68 | 3.32 | 7.11 |
| DET | 2.71 | 103 | 59 | 0.628 | 59 | 19 | 29 | 1489.0 | 1180 | 129 | 486 | 1115 | 7.13 | 2.94 | 6.74 |
| CHW | 2.75 | 67 | 95 | 0.414 | 20 | 11 | 40 | 1468.0 | 1290 | 97 | 451 | 834 | 7.91 | 2.76 | 5.11 |
| NYY | 2.79 | 83 | 79 | 0.506 | 45 | 14 | 27 | 1467.0 | 1308 | 99 | 424 | 831 | 8.02 | 2.60 | 5.10 |
| MIN | 2.89 | 79 | 83 | 0.488 | 46 | 14 | 29 | 1433.0 | 1224 | 92 | 414 | 996 | 7.69 | 2.60 | 6.26 |
| OAK | 2.94 | 82 | 80 | 0.503 | 45 | 18 | 29 | 1455.0 | 1220 | 124 | 505 | 997 | 7.55 | 3.12 | 6.17 |
| BOS | 3.33 | 86 | 76 | 0.531 | 55 | 17 | 31 | 1447.0 | 1303 | 115 | 523 | 972 | 8.10 | 3.25 | 6.05 |
| ANA | 3.43 | 67 | 95 | 0.414 | 29 | 11 | 31 | 1437.0 | 1234 | 131 | 519 | 869 | 7.73 | 3.25 | 5.44 |
| TEX | 3.64 | 65 | 96 | 0.404 | 26 | 11 | 28 | 1439.0 | 1402 | 118 | 517 | 826 | 8.77 | 3.23 | 5.17 |
1968 - National League
| 1968 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 2.49 | 97 | 65 | 0.599 | 63 | 30 | 32 | 1479.0 | 1282 | 82 | 375 | 971 | 7.80 | 2.28 | 5.91 |
| LAD | 2.69 | 76 | 86 | 0.469 | 38 | 23 | 31 | 1448.0 | 1293 | 65 | 414 | 994 | 8.04 | 2.57 | 6.18 |
| SFG | 2.71 | 88 | 74 | 0.540 | 77 | 20 | 16 | 1469.0 | 1302 | 86 | 344 | 942 | 7.98 | 2.11 | 5.77 |
| NYM | 2.72 | 73 | 89 | 0.448 | 45 | 25 | 32 | 1483.0 | 1250 | 87 | 430 | 1014 | 7.59 | 2.61 | 6.15 |
| PIT | 2.74 | 80 | 82 | 0.491 | 42 | 19 | 30 | 1487.0 | 1322 | 73 | 485 | 897 | 8.00 | 2.94 | 5.43 |
| ATL | 2.92 | 81 | 81 | 0.497 | 44 | 16 | 29 | 1474.0 | 1326 | 87 | 362 | 871 | 8.10 | 2.21 | 5.32 |
| HOU | 3.26 | 72 | 90 | 0.444 | 50 | 12 | 23 | 1446.0 | 1362 | 68 | 479 | 1021 | 8.48 | 2.98 | 6.35 |
| PHI | 3.36 | 76 | 86 | 0.469 | 42 | 12 | 27 | 1448.0 | 1416 | 91 | 421 | 935 | 8.80 | 2.62 | 5.81 |
| CHC | 3.41 | 84 | 78 | 0.515 | 46 | 12 | 32 | 1453.0 | 1399 | 138 | 392 | 894 | 8.67 | 2.43 | 5.54 |
| CIN | 3.56 | 83 | 79 | 0.509 | 24 | 16 | 38 | 1490.0 | 1399 | 114 | 573 | 963 | 8.45 | 3.46 | 5.82 |
1967 - American League
| 1967 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.45 | 89 | 73 | 0.549 | 36 | 24 | 39 | 1490.0 | 1197 | 87 | 465 | 927 | 7.23 | 2.81 | 5.60 |
| MIN | 3.14 | 91 | 71 | 0.555 | 58 | 18 | 24 | 1461.0 | 1336 | 115 | 396 | 1089 | 8.23 | 2.44 | 6.71 |
| ANA | 3.19 | 84 | 77 | 0.522 | 19 | 14 | 46 | 1430.0 | 1246 | 118 | 525 | 892 | 7.84 | 3.30 | 5.61 |
| NYY | 3.24 | 72 | 90 | 0.442 | 37 | 16 | 27 | 1480.0 | 1375 | 110 | 480 | 898 | 8.36 | 2.92 | 5.46 |
| CLE | 3.25 | 75 | 87 | 0.463 | 49 | 14 | 27 | 1477.0 | 1258 | 120 | 559 | 1189 | 7.67 | 3.41 | 7.25 |
| BAL | 3.32 | 76 | 85 | 0.472 | 29 | 17 | 36 | 1457.0 | 1218 | 116 | 566 | 1034 | 7.52 | 3.50 | 6.39 |
| DET | 3.32 | 91 | 71 | 0.558 | 46 | 17 | 40 | 1443.0 | 1230 | 151 | 472 | 1038 | 7.67 | 2.94 | 6.47 |
| BOS | 3.36 | 92 | 70 | 0.568 | 41 | 9 | 44 | 1459.0 | 1307 | 142 | 477 | 1010 | 8.06 | 2.94 | 6.23 |
| TEX | 3.38 | 76 | 85 | 0.472 | 24 | 14 | 39 | 1473.0 | 1334 | 113 | 495 | 878 | 8.15 | 3.02 | 5.36 |
| OAK | 3.68 | 62 | 99 | 0.385 | 26 | 10 | 34 | 1428.0 | 1265 | 125 | 558 | 990 | 7.97 | 3.52 | 6.24 |
1967 - National League
| 1967 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 2.92 | 91 | 71 | 0.562 | 64 | 17 | 25 | 1474.0 | 1283 | 113 | 453 | 990 | 7.83 | 2.77 | 6.04 |
| CIN | 3.05 | 87 | 75 | 0.537 | 34 | 18 | 39 | 1468.0 | 1328 | 101 | 498 | 1065 | 8.14 | 3.05 | 6.53 |
| STL | 3.05 | 101 | 60 | 0.627 | 44 | 17 | 45 | 1465.0 | 1313 | 97 | 431 | 956 | 8.07 | 2.65 | 5.87 |
| PHI | 3.10 | 82 | 80 | 0.506 | 46 | 17 | 23 | 1453.0 | 1372 | 86 | 403 | 967 | 8.50 | 2.50 | 5.99 |
| LAD | 3.21 | 73 | 89 | 0.451 | 41 | 17 | 24 | 1473.0 | 1421 | 93 | 393 | 967 | 8.68 | 2.40 | 5.91 |
| ATL | 3.47 | 77 | 85 | 0.475 | 35 | 5 | 32 | 1454.0 | 1377 | 118 | 449 | 862 | 8.52 | 2.78 | 5.34 |
| CHC | 3.48 | 87 | 74 | 0.537 | 47 | 7 | 28 | 1457.0 | 1352 | 142 | 463 | 888 | 8.35 | 2.86 | 5.49 |
| NYM | 3.73 | 61 | 101 | 0.377 | 36 | 10 | 19 | 1433.0 | 1369 | 124 | 536 | 893 | 8.60 | 3.37 | 5.61 |
| PIT | 3.74 | 81 | 81 | 0.497 | 35 | 5 | 35 | 1458.0 | 1439 | 108 | 561 | 820 | 8.88 | 3.46 | 5.06 |
| HOU | 4.03 | 69 | 93 | 0.426 | 35 | 8 | 21 | 1445.0 | 1444 | 120 | 485 | 1060 | 8.99 | 3.02 | 6.60 |
1966 - American League
| 1966 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.68 | 83 | 79 | 0.509 | 38 | 22 | 34 | 1475.0 | 1229 | 101 | 403 | 896 | 7.50 | 2.46 | 5.47 |
| MIN | 3.13 | 89 | 73 | 0.549 | 52 | 11 | 28 | 1438.0 | 1246 | 139 | 392 | 1015 | 7.80 | 2.45 | 6.35 |
| CLE | 3.23 | 81 | 81 | 0.500 | 49 | 15 | 28 | 1467.0 | 1260 | 129 | 489 | 1111 | 7.73 | 3.00 | 6.82 |
| BAL | 3.32 | 97 | 63 | 0.606 | 23 | 13 | 51 | 1466.0 | 1267 | 127 | 514 | 1070 | 7.78 | 3.16 | 6.57 |
| NYY | 3.41 | 70 | 89 | 0.438 | 29 | 7 | 32 | 1415.0 | 1318 | 124 | 443 | 842 | 8.38 | 2.82 | 5.36 |
| ANA | 3.56 | 80 | 82 | 0.494 | 31 | 12 | 40 | 1457.0 | 1364 | 136 | 511 | 836 | 8.43 | 3.16 | 5.16 |
| OAK | 3.56 | 74 | 86 | 0.463 | 19 | 11 | 47 | 1435.0 | 1281 | 106 | 630 | 854 | 8.03 | 3.95 | 5.36 |
| TEX | 3.70 | 71 | 88 | 0.447 | 25 | 6 | 35 | 1419.0 | 1282 | 154 | 448 | 866 | 8.13 | 2.84 | 5.49 |
| DET | 3.85 | 88 | 74 | 0.543 | 36 | 11 | 38 | 1454.0 | 1356 | 185 | 520 | 1026 | 8.39 | 3.22 | 6.35 |
| BOS | 3.92 | 72 | 90 | 0.444 | 32 | 10 | 31 | 1463.0 | 1402 | 164 | 577 | 977 | 8.62 | 3.55 | 6.01 |
1966 - National League
| 1966 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.62 | 95 | 67 | 0.586 | 52 | 20 | 35 | 1458.0 | 1287 | 84 | 356 | 1084 | 7.94 | 2.20 | 6.69 |
| STL | 3.11 | 83 | 79 | 0.512 | 47 | 19 | 32 | 1459.0 | 1345 | 130 | 448 | 892 | 8.30 | 2.76 | 5.50 |
| SFG | 3.24 | 93 | 68 | 0.578 | 52 | 14 | 27 | 1476.0 | 1370 | 140 | 359 | 973 | 8.35 | 2.19 | 5.93 |
| PIT | 3.52 | 92 | 70 | 0.568 | 35 | 12 | 43 | 1463.0 | 1445 | 125 | 463 | 898 | 8.89 | 2.85 | 5.52 |
| PHI | 3.57 | 87 | 75 | 0.537 | 52 | 15 | 23 | 1459.0 | 1439 | 137 | 412 | 928 | 8.88 | 2.54 | 5.72 |
| ATL | 3.68 | 85 | 77 | 0.521 | 37 | 10 | 36 | 1469.0 | 1430 | 129 | 485 | 884 | 8.76 | 2.97 | 5.42 |
| HOU | 3.76 | 72 | 90 | 0.442 | 34 | 13 | 26 | 1443.0 | 1468 | 130 | 391 | 929 | 9.16 | 2.44 | 5.79 |
| CIN | 4.08 | 76 | 84 | 0.475 | 28 | 10 | 35 | 1436.0 | 1408 | 153 | 490 | 1043 | 8.82 | 3.07 | 6.54 |
| NYM | 4.17 | 66 | 95 | 0.410 | 37 | 9 | 22 | 1427.0 | 1497 | 166 | 521 | 773 | 9.44 | 3.29 | 4.88 |
| CHC | 4.33 | 59 | 103 | 0.364 | 28 | 6 | 24 | 1458.0 | 1513 | 184 | 479 | 908 | 9.34 | 2.96 | 5.60 |
1965 - American League
| 1965 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 2.98 | 94 | 68 | 0.580 | 32 | 15 | 41 | 1477.0 | 1268 | 120 | 510 | 939 | 7.73 | 3.11 | 5.72 |
| CHW | 2.99 | 95 | 67 | 0.586 | 21 | 14 | 53 | 1481.0 | 1261 | 122 | 460 | 946 | 7.66 | 2.80 | 5.75 |
| MIN | 3.14 | 102 | 60 | 0.630 | 32 | 12 | 45 | 1457.0 | 1278 | 166 | 503 | 934 | 7.89 | 3.11 | 5.77 |
| ANA | 3.17 | 75 | 87 | 0.463 | 39 | 14 | 33 | 1441.0 | 1259 | 91 | 563 | 847 | 7.86 | 3.52 | 5.29 |
| NYY | 3.28 | 77 | 85 | 0.475 | 41 | 11 | 31 | 1459.0 | 1337 | 126 | 511 | 1001 | 8.25 | 3.15 | 6.17 |
| CLE | 3.30 | 87 | 75 | 0.537 | 41 | 13 | 41 | 1458.0 | 1254 | 129 | 500 | 1156 | 7.74 | 3.09 | 7.14 |
| DET | 3.35 | 89 | 73 | 0.549 | 45 | 14 | 31 | 1455.0 | 1283 | 137 | 509 | 1069 | 7.94 | 3.15 | 6.61 |
| TEX | 3.93 | 70 | 92 | 0.432 | 21 | 8 | 40 | 1435.0 | 1376 | 160 | 633 | 867 | 8.63 | 3.97 | 5.44 |
| BOS | 4.24 | 62 | 100 | 0.383 | 33 | 9 | 25 | 1439.0 | 1443 | 158 | 543 | 993 | 9.03 | 3.40 | 6.21 |
| OAK | 4.24 | 59 | 103 | 0.364 | 18 | 7 | 32 | 1433.0 | 1399 | 161 | 574 | 882 | 8.79 | 3.61 | 5.54 |
1965 - National League
| 1965 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.81 | 97 | 65 | 0.599 | 58 | 23 | 34 | 1476.0 | 1223 | 127 | 425 | 1079 | 7.46 | 2.59 | 6.58 |
| PIT | 3.01 | 90 | 72 | 0.552 | 49 | 17 | 27 | 1479.0 | 1324 | 89 | 469 | 882 | 8.06 | 2.85 | 5.37 |
| SFG | 3.20 | 95 | 67 | 0.583 | 42 | 17 | 42 | 1465.0 | 1325 | 137 | 408 | 1060 | 8.14 | 2.51 | 6.51 |
| ATL | 3.52 | 86 | 76 | 0.531 | 43 | 4 | 38 | 1447.0 | 1336 | 123 | 541 | 966 | 8.31 | 3.36 | 6.01 |
| PHI | 3.53 | 85 | 76 | 0.525 | 50 | 18 | 21 | 1468.0 | 1426 | 116 | 466 | 1071 | 8.74 | 2.86 | 6.57 |
| STL | 3.77 | 80 | 81 | 0.494 | 40 | 11 | 35 | 1461.0 | 1414 | 166 | 467 | 916 | 8.71 | 2.88 | 5.64 |
| CHC | 3.78 | 72 | 90 | 0.439 | 33 | 9 | 35 | 1472.0 | 1470 | 154 | 481 | 855 | 8.99 | 2.94 | 5.23 |
| HOU | 3.84 | 65 | 97 | 0.401 | 29 | 7 | 26 | 1461.0 | 1459 | 123 | 388 | 931 | 8.99 | 2.39 | 5.74 |
| CIN | 3.88 | 89 | 73 | 0.549 | 43 | 9 | 34 | 1457.0 | 1355 | 136 | 587 | 1113 | 8.37 | 3.63 | 6.88 |
| NYM | 4.06 | 50 | 112 | 0.305 | 29 | 11 | 14 | 1454.0 | 1462 | 147 | 498 | 776 | 9.05 | 3.08 | 4.80 |
1964 - American League
| 1964 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.72 | 98 | 64 | 0.605 | 44 | 20 | 45 | 1467.0 | 1216 | 124 | 401 | 955 | 7.46 | 2.46 | 5.86 |
| ANA | 2.91 | 82 | 80 | 0.506 | 30 | 28 | 41 | 1450.0 | 1273 | 100 | 530 | 965 | 7.90 | 3.29 | 5.99 |
| NYY | 3.15 | 99 | 63 | 0.604 | 46 | 18 | 45 | 1506.0 | 1312 | 129 | 504 | 989 | 7.84 | 3.01 | 5.91 |
| BAL | 3.16 | 97 | 65 | 0.595 | 44 | 17 | 41 | 1458.0 | 1292 | 129 | 456 | 939 | 7.98 | 2.81 | 5.80 |
| MIN | 3.58 | 79 | 83 | 0.485 | 47 | 4 | 29 | 1477.0 | 1361 | 181 | 545 | 1099 | 8.29 | 3.32 | 6.70 |
| CLE | 3.75 | 79 | 83 | 0.482 | 37 | 16 | 37 | 1487.0 | 1443 | 154 | 565 | 1162 | 8.73 | 3.42 | 7.03 |
| DET | 3.84 | 85 | 77 | 0.521 | 35 | 11 | 35 | 1453.0 | 1343 | 164 | 536 | 993 | 8.32 | 3.32 | 6.15 |
| TEX | 3.98 | 62 | 100 | 0.383 | 27 | 5 | 26 | 1435.0 | 1417 | 172 | 505 | 794 | 8.89 | 3.17 | 4.98 |
| BOS | 4.50 | 72 | 90 | 0.444 | 21 | 9 | 38 | 1422.0 | 1464 | 178 | 571 | 1094 | 9.27 | 3.61 | 6.92 |
| OAK | 4.71 | 57 | 105 | 0.350 | 18 | 6 | 27 | 1455.0 | 1516 | 220 | 614 | 966 | 9.38 | 3.80 | 5.98 |
1964 - National League
| 1964 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.95 | 80 | 82 | 0.488 | 47 | 19 | 27 | 1483.0 | 1289 | 88 | 458 | 1062 | 7.82 | 2.78 | 6.45 |
| CIN | 3.07 | 92 | 70 | 0.564 | 54 | 14 | 35 | 1467.0 | 1306 | 112 | 436 | 1122 | 8.01 | 2.67 | 6.88 |
| SFG | 3.19 | 90 | 72 | 0.556 | 48 | 17 | 30 | 1476.0 | 1348 | 118 | 480 | 1023 | 8.22 | 2.93 | 6.24 |
| PHI | 3.36 | 92 | 70 | 0.568 | 37 | 17 | 41 | 1461.0 | 1402 | 129 | 440 | 1009 | 8.64 | 2.71 | 6.22 |
| HOU | 3.41 | 66 | 96 | 0.407 | 30 | 9 | 31 | 1428.0 | 1421 | 105 | 353 | 852 | 8.96 | 2.22 | 5.37 |
| STL | 3.43 | 93 | 69 | 0.574 | 47 | 10 | 38 | 1445.0 | 1405 | 133 | 410 | 877 | 8.75 | 2.55 | 5.46 |
| PIT | 3.52 | 80 | 82 | 0.494 | 42 | 14 | 29 | 1443.0 | 1429 | 92 | 476 | 951 | 8.91 | 2.97 | 5.93 |
| CHC | 4.08 | 76 | 86 | 0.469 | 58 | 11 | 19 | 1445.0 | 1510 | 144 | 423 | 737 | 9.40 | 2.63 | 4.59 |
| ATL | 4.12 | 88 | 74 | 0.543 | 45 | 14 | 39 | 1434.0 | 1411 | 160 | 452 | 906 | 8.86 | 2.84 | 5.69 |
| NYM | 4.25 | 53 | 109 | 0.325 | 40 | 10 | 15 | 1438.0 | 1511 | 130 | 466 | 717 | 9.46 | 2.92 | 4.49 |
1963 - American League
| 1963 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.97 | 94 | 68 | 0.580 | 49 | 21 | 39 | 1469.0 | 1311 | 100 | 440 | 932 | 8.03 | 2.70 | 5.71 |
| NYY | 3.07 | 104 | 57 | 0.646 | 59 | 19 | 31 | 1449.0 | 1239 | 115 | 476 | 965 | 7.70 | 2.96 | 5.99 |
| MIN | 3.28 | 91 | 70 | 0.565 | 58 | 13 | 30 | 1446.0 | 1322 | 162 | 459 | 941 | 8.23 | 2.86 | 5.86 |
| BAL | 3.45 | 86 | 76 | 0.531 | 35 | 8 | 43 | 1452.0 | 1353 | 137 | 507 | 913 | 8.39 | 3.14 | 5.66 |
| ANA | 3.52 | 70 | 91 | 0.435 | 30 | 13 | 31 | 1455.0 | 1317 | 120 | 578 | 889 | 8.15 | 3.58 | 5.50 |
| CLE | 3.79 | 79 | 83 | 0.488 | 40 | 14 | 25 | 1469.0 | 1390 | 176 | 478 | 1018 | 8.52 | 2.93 | 6.24 |
| DET | 3.90 | 79 | 83 | 0.488 | 42 | 7 | 28 | 1456.0 | 1407 | 195 | 477 | 930 | 8.70 | 2.95 | 5.75 |
| OAK | 3.92 | 73 | 89 | 0.451 | 35 | 11 | 29 | 1458.0 | 1417 | 156 | 540 | 887 | 8.75 | 3.33 | 5.48 |
| BOS | 3.97 | 76 | 85 | 0.472 | 29 | 7 | 32 | 1449.0 | 1367 | 152 | 539 | 1009 | 8.49 | 3.35 | 6.27 |
| TEX | 4.42 | 56 | 106 | 0.346 | 29 | 8 | 25 | 1447.0 | 1486 | 176 | 537 | 744 | 9.24 | 3.34 | 4.63 |
1963 - National League
| 1963 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.85 | 99 | 63 | 0.607 | 51 | 24 | 29 | 1469.0 | 1329 | 111 | 402 | 1095 | 8.14 | 2.46 | 6.71 |
| CHC | 3.08 | 82 | 80 | 0.506 | 45 | 15 | 28 | 1457.0 | 1357 | 119 | 400 | 851 | 8.38 | 2.47 | 5.26 |
| PHI | 3.09 | 87 | 75 | 0.537 | 45 | 12 | 31 | 1457.0 | 1262 | 113 | 553 | 1052 | 7.80 | 3.42 | 6.50 |
| PIT | 3.10 | 74 | 88 | 0.457 | 34 | 16 | 33 | 1448.0 | 1350 | 99 | 457 | 900 | 8.39 | 2.84 | 5.59 |
| ATL | 3.27 | 84 | 78 | 0.515 | 56 | 18 | 25 | 1471.0 | 1327 | 149 | 489 | 924 | 8.12 | 2.99 | 5.65 |
| CIN | 3.29 | 86 | 76 | 0.531 | 55 | 22 | 36 | 1439.0 | 1307 | 117 | 425 | 1048 | 8.17 | 2.66 | 6.55 |
| STL | 3.32 | 93 | 69 | 0.574 | 49 | 17 | 32 | 1463.0 | 1329 | 124 | 463 | 978 | 8.18 | 2.85 | 6.02 |
| SFG | 3.35 | 88 | 74 | 0.543 | 46 | 9 | 30 | 1469.0 | 1380 | 126 | 464 | 954 | 8.45 | 2.84 | 5.84 |
| HOU | 3.44 | 66 | 96 | 0.407 | 36 | 16 | 20 | 1450.0 | 1341 | 95 | 378 | 937 | 8.32 | 2.35 | 5.82 |
| NYM | 4.12 | 51 | 111 | 0.315 | 42 | 5 | 12 | 1427.0 | 1452 | 162 | 529 | 806 | 9.16 | 3.34 | 5.08 |
1962 - American League
| 1962 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.69 | 77 | 85 | 0.475 | 32 | 8 | 33 | 1462.0 | 1373 | 147 | 549 | 898 | 8.45 | 3.38 | 5.53 |
| ANA | 3.70 | 86 | 76 | 0.531 | 23 | 15 | 47 | 1466.0 | 1412 | 118 | 616 | 858 | 8.67 | 3.78 | 5.27 |
| NYY | 3.70 | 96 | 66 | 0.593 | 33 | 10 | 42 | 1470.0 | 1375 | 146 | 499 | 838 | 8.42 | 3.06 | 5.13 |
| CHW | 3.73 | 85 | 77 | 0.525 | 50 | 13 | 28 | 1451.0 | 1380 | 123 | 537 | 821 | 8.56 | 3.33 | 5.09 |
| DET | 3.81 | 85 | 76 | 0.528 | 46 | 8 | 35 | 1443.0 | 1452 | 169 | 503 | 873 | 9.06 | 3.14 | 5.44 |
| MIN | 3.89 | 91 | 71 | 0.558 | 53 | 11 | 27 | 1463.0 | 1400 | 166 | 493 | 948 | 8.61 | 3.03 | 5.83 |
| TEX | 4.04 | 60 | 101 | 0.370 | 38 | 11 | 13 | 1445.0 | 1400 | 151 | 593 | 771 | 8.72 | 3.69 | 4.80 |
| CLE | 4.14 | 80 | 82 | 0.494 | 45 | 12 | 31 | 1441.0 | 1410 | 174 | 594 | 780 | 8.81 | 3.71 | 4.87 |
| BOS | 4.22 | 76 | 84 | 0.475 | 34 | 12 | 40 | 1437.0 | 1416 | 159 | 632 | 923 | 8.87 | 3.96 | 5.78 |
| OAK | 4.79 | 72 | 90 | 0.444 | 32 | 4 | 33 | 1434.0 | 1450 | 199 | 655 | 825 | 9.10 | 4.11 | 5.18 |
1962 - National League
| 1962 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| PIT | 3.37 | 93 | 68 | 0.578 | 40 | 13 | 41 | 1432.0 | 1433 | 118 | 466 | 897 | 9.01 | 2.93 | 5.64 |
| STL | 3.55 | 84 | 78 | 0.515 | 53 | 17 | 25 | 1463.0 | 1394 | 149 | 517 | 914 | 8.58 | 3.18 | 5.62 |
| LAD | 3.62 | 102 | 63 | 0.618 | 44 | 8 | 46 | 1488.0 | 1386 | 115 | 588 | 1104 | 8.38 | 3.56 | 6.68 |
| ATL | 3.68 | 86 | 76 | 0.531 | 59 | 10 | 24 | 1434.0 | 1443 | 151 | 407 | 802 | 9.06 | 2.55 | 5.03 |
| CIN | 3.75 | 98 | 64 | 0.605 | 51 | 13 | 35 | 1460.0 | 1397 | 149 | 567 | 964 | 8.61 | 3.50 | 5.94 |
| SFG | 3.79 | 103 | 62 | 0.624 | 62 | 10 | 39 | 1461.0 | 1399 | 148 | 503 | 886 | 8.62 | 3.10 | 5.46 |
| HOU | 3.83 | 64 | 96 | 0.395 | 34 | 9 | 19 | 1453.0 | 1446 | 113 | 471 | 1047 | 8.96 | 2.92 | 6.49 |
| PHI | 4.28 | 81 | 80 | 0.503 | 43 | 7 | 24 | 1426.0 | 1469 | 155 | 574 | 863 | 9.27 | 3.62 | 5.45 |
| CHC | 4.54 | 59 | 103 | 0.364 | 29 | 4 | 26 | 1438.0 | 1509 | 159 | 601 | 783 | 9.44 | 3.76 | 4.90 |
| NYM | 5.04 | 40 | 120 | 0.248 | 43 | 4 | 10 | 1430.0 | 1577 | 192 | 571 | 772 | 9.93 | 3.59 | 4.86 |
1961 - American League
| 1961 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.22 | 95 | 67 | 0.583 | 54 | 21 | 33 | 1471.0 | 1226 | 109 | 617 | 926 | 7.50 | 3.77 | 5.67 |
| NYY | 3.46 | 109 | 53 | 0.669 | 47 | 14 | 39 | 1451.0 | 1288 | 137 | 542 | 866 | 7.99 | 3.36 | 5.37 |
| DET | 3.55 | 101 | 61 | 0.620 | 62 | 12 | 30 | 1459.0 | 1404 | 170 | 469 | 836 | 8.66 | 2.89 | 5.16 |
| CHW | 4.06 | 86 | 76 | 0.528 | 39 | 3 | 33 | 1448.0 | 1491 | 158 | 498 | 814 | 9.27 | 3.10 | 5.06 |
| CLE | 4.15 | 78 | 83 | 0.484 | 35 | 12 | 23 | 1443.0 | 1426 | 178 | 599 | 801 | 8.89 | 3.74 | 5.00 |
| TEX | 4.23 | 61 | 100 | 0.379 | 39 | 8 | 21 | 1425.0 | 1405 | 131 | 586 | 666 | 8.87 | 3.70 | 4.21 |
| MIN | 4.28 | 70 | 90 | 0.435 | 49 | 14 | 23 | 1432.0 | 1415 | 163 | 570 | 914 | 8.89 | 3.58 | 5.74 |
| BOS | 4.29 | 76 | 86 | 0.466 | 35 | 6 | 30 | 1442.0 | 1472 | 167 | 679 | 831 | 9.19 | 4.24 | 5.19 |
| ANA | 4.31 | 70 | 91 | 0.432 | 25 | 5 | 34 | 1438.0 | 1391 | 180 | 713 | 973 | 8.71 | 4.46 | 6.09 |
| OAK | 4.74 | 61 | 100 | 0.377 | 32 | 5 | 23 | 1415.0 | 1519 | 141 | 629 | 703 | 9.66 | 4.00 | 4.47 |
1961 - National League
| 1961 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 3.74 | 80 | 74 | 0.516 | 49 | 10 | 24 | 1368.0 | 1334 | 136 | 570 | 823 | 8.78 | 3.75 | 5.41 |
| SFG | 3.77 | 85 | 69 | 0.548 | 39 | 9 | 30 | 1388.0 | 1306 | 152 | 502 | 924 | 8.47 | 3.26 | 5.99 |
| CIN | 3.78 | 93 | 61 | 0.604 | 46 | 12 | 40 | 1370.0 | 1300 | 147 | 500 | 829 | 8.54 | 3.28 | 5.45 |
| ATL | 3.89 | 83 | 71 | 0.535 | 57 | 8 | 16 | 1391.0 | 1357 | 153 | 493 | 652 | 8.78 | 3.19 | 4.22 |
| PIT | 3.92 | 75 | 79 | 0.487 | 34 | 9 | 29 | 1362.0 | 1442 | 121 | 400 | 759 | 9.53 | 2.64 | 5.02 |
| LAD | 4.04 | 89 | 65 | 0.578 | 40 | 10 | 35 | 1378.0 | 1346 | 167 | 544 | 1105 | 8.79 | 3.55 | 7.22 |
| CHC | 4.48 | 64 | 90 | 0.410 | 34 | 6 | 25 | 1385.0 | 1492 | 165 | 465 | 755 | 9.70 | 3.02 | 4.91 |
| PHI | 4.61 | 47 | 107 | 0.303 | 29 | 9 | 13 | 1383.0 | 1452 | 155 | 521 | 775 | 9.45 | 3.39 | 5.04 |
1960 - American League
| 1960 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.52 | 89 | 65 | 0.578 | 48 | 11 | 22 | 1375.0 | 1222 | 117 | 552 | 785 | 8.00 | 3.61 | 5.14 |
| NYY | 3.52 | 97 | 57 | 0.626 | 38 | 16 | 42 | 1398.0 | 1225 | 123 | 609 | 712 | 7.89 | 3.92 | 4.58 |
| CHW | 3.60 | 87 | 67 | 0.565 | 42 | 11 | 26 | 1381.0 | 1338 | 127 | 533 | 695 | 8.72 | 3.47 | 4.53 |
| DET | 3.64 | 71 | 83 | 0.461 | 40 | 7 | 25 | 1405.0 | 1336 | 141 | 474 | 824 | 8.56 | 3.04 | 5.28 |
| MIN | 3.77 | 73 | 81 | 0.474 | 34 | 10 | 35 | 1405.0 | 1392 | 130 | 538 | 775 | 8.92 | 3.45 | 4.96 |
| CLE | 3.95 | 76 | 78 | 0.494 | 32 | 10 | 30 | 1382.0 | 1308 | 161 | 636 | 771 | 8.52 | 4.14 | 5.02 |
| OAK | 4.38 | 58 | 96 | 0.374 | 44 | 4 | 14 | 1374.0 | 1428 | 160 | 525 | 664 | 9.35 | 3.44 | 4.35 |
| BOS | 4.62 | 65 | 89 | 0.422 | 34 | 6 | 23 | 1361.0 | 1440 | 127 | 580 | 767 | 9.52 | 3.84 | 5.07 |
1960 - National League
| 1960 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.40 | 82 | 72 | 0.532 | 46 | 13 | 20 | 1398.0 | 1218 | 154 | 564 | 1122 | 7.84 | 3.63 | 7.22 |
| SFG | 3.44 | 79 | 75 | 0.506 | 55 | 16 | 26 | 1396.0 | 1288 | 107 | 512 | 897 | 8.30 | 3.30 | 5.78 |
| PIT | 3.49 | 95 | 59 | 0.613 | 47 | 11 | 33 | 1399.0 | 1363 | 105 | 386 | 811 | 8.77 | 2.48 | 5.22 |
| STL | 3.64 | 86 | 68 | 0.555 | 37 | 11 | 30 | 1371.0 | 1316 | 127 | 511 | 906 | 8.64 | 3.35 | 5.95 |
| ATL | 3.76 | 88 | 66 | 0.571 | 55 | 13 | 28 | 1387.0 | 1327 | 130 | 518 | 807 | 8.61 | 3.36 | 5.24 |
| CIN | 4.00 | 67 | 87 | 0.435 | 33 | 8 | 35 | 1390.0 | 1417 | 134 | 442 | 740 | 9.17 | 2.86 | 4.79 |
| PHI | 4.01 | 59 | 95 | 0.383 | 45 | 6 | 16 | 1375.0 | 1423 | 133 | 439 | 736 | 9.31 | 2.87 | 4.82 |
| CHC | 4.35 | 60 | 94 | 0.385 | 36 | 6 | 25 | 1402.0 | 1393 | 152 | 565 | 805 | 8.94 | 3.63 | 5.17 |
1959 - American League
| 1959 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 3.29 | 94 | 60 | 0.603 | 44 | 13 | 36 | 1425.0 | 1297 | 129 | 525 | 761 | 8.19 | 3.32 | 4.81 |
| BAL | 3.56 | 74 | 80 | 0.477 | 45 | 15 | 30 | 1400.0 | 1290 | 111 | 476 | 735 | 8.29 | 3.06 | 4.73 |
| NYY | 3.60 | 79 | 75 | 0.510 | 38 | 15 | 28 | 1399.0 | 1281 | 120 | 594 | 836 | 8.24 | 3.82 | 5.38 |
| CLE | 3.75 | 89 | 65 | 0.578 | 58 | 7 | 23 | 1383.0 | 1230 | 148 | 635 | 799 | 8.00 | 4.13 | 5.20 |
| MIN | 4.01 | 63 | 91 | 0.409 | 46 | 10 | 21 | 1360.0 | 1358 | 123 | 467 | 694 | 8.99 | 3.09 | 4.59 |
| BOS | 4.17 | 75 | 79 | 0.487 | 38 | 9 | 25 | 1364.0 | 1386 | 135 | 589 | 724 | 9.15 | 3.89 | 4.78 |
| DET | 4.20 | 76 | 78 | 0.494 | 53 | 9 | 24 | 1360.0 | 1327 | 177 | 432 | 829 | 8.78 | 2.86 | 5.49 |
| OAK | 4.35 | 66 | 88 | 0.429 | 44 | 8 | 21 | 1360.0 | 1452 | 148 | 492 | 703 | 9.61 | 3.26 | 4.65 |
1959 - National League
| 1959 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.47 | 83 | 71 | 0.539 | 52 | 12 | 23 | 1376.0 | 1279 | 139 | 500 | 873 | 8.37 | 3.27 | 5.71 |
| ATL | 3.51 | 86 | 70 | 0.548 | 69 | 18 | 18 | 1400.0 | 1406 | 128 | 429 | 775 | 9.04 | 2.76 | 4.98 |
| LAD | 3.79 | 88 | 68 | 0.564 | 43 | 14 | 26 | 1411.0 | 1317 | 157 | 614 | 1077 | 8.40 | 3.92 | 6.87 |
| PIT | 3.90 | 78 | 76 | 0.503 | 48 | 7 | 17 | 1393.0 | 1432 | 134 | 418 | 730 | 9.25 | 2.70 | 4.72 |
| CHC | 4.01 | 74 | 80 | 0.477 | 30 | 11 | 25 | 1391.0 | 1337 | 152 | 519 | 765 | 8.65 | 3.36 | 4.95 |
| PHI | 4.27 | 64 | 90 | 0.413 | 54 | 8 | 15 | 1354.0 | 1357 | 150 | 474 | 769 | 9.02 | 3.15 | 5.11 |
| CIN | 4.31 | 74 | 80 | 0.481 | 44 | 7 | 26 | 1357.0 | 1460 | 162 | 456 | 690 | 9.68 | 3.02 | 4.58 |
| STL | 4.34 | 71 | 83 | 0.461 | 36 | 8 | 21 | 1363.0 | 1427 | 137 | 564 | 846 | 9.42 | 3.72 | 5.59 |
1958 - American League
| 1958 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.22 | 92 | 62 | 0.594 | 53 | 21 | 33 | 1379.0 | 1201 | 116 | 557 | 796 | 7.84 | 3.64 | 5.20 |
| BAL | 3.40 | 74 | 79 | 0.481 | 55 | 15 | 28 | 1369.0 | 1277 | 106 | 403 | 749 | 8.40 | 2.65 | 4.92 |
| DET | 3.59 | 77 | 77 | 0.500 | 59 | 8 | 19 | 1357.0 | 1294 | 133 | 437 | 797 | 8.58 | 2.90 | 5.29 |
| CHW | 3.61 | 82 | 72 | 0.529 | 55 | 15 | 25 | 1389.0 | 1296 | 152 | 515 | 751 | 8.40 | 3.34 | 4.87 |
| CLE | 3.73 | 77 | 76 | 0.503 | 51 | 2 | 20 | 1373.0 | 1283 | 123 | 604 | 766 | 8.41 | 3.96 | 5.02 |
| BOS | 3.92 | 79 | 75 | 0.510 | 44 | 5 | 28 | 1380.0 | 1396 | 121 | 521 | 695 | 9.10 | 3.40 | 4.53 |
| OAK | 4.15 | 73 | 81 | 0.468 | 42 | 9 | 25 | 1398.0 | 1405 | 150 | 467 | 721 | 9.05 | 3.01 | 4.64 |
| MIN | 4.53 | 61 | 93 | 0.391 | 28 | 6 | 28 | 1376.0 | 1443 | 156 | 558 | 762 | 9.44 | 3.65 | 4.98 |
1958 - National League
| 1958 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.21 | 92 | 62 | 0.597 | 72 | 16 | 17 | 1376.0 | 1261 | 125 | 426 | 773 | 8.25 | 2.79 | 5.06 |
| PIT | 3.56 | 84 | 70 | 0.545 | 43 | 10 | 41 | 1367.0 | 1344 | 123 | 470 | 679 | 8.85 | 3.09 | 4.47 |
| CIN | 3.73 | 76 | 78 | 0.494 | 50 | 7 | 20 | 1385.0 | 1422 | 148 | 419 | 705 | 9.24 | 2.72 | 4.58 |
| SFG | 3.98 | 80 | 74 | 0.519 | 38 | 7 | 25 | 1389.0 | 1400 | 166 | 512 | 775 | 9.07 | 3.32 | 5.02 |
| STL | 4.12 | 72 | 82 | 0.468 | 45 | 6 | 25 | 1381.0 | 1398 | 158 | 567 | 822 | 9.11 | 3.70 | 5.36 |
| CHC | 4.22 | 72 | 82 | 0.468 | 27 | 5 | 24 | 1361.0 | 1322 | 142 | 619 | 805 | 8.74 | 4.09 | 5.32 |
| PHI | 4.32 | 69 | 85 | 0.448 | 51 | 6 | 15 | 1397.0 | 1480 | 148 | 446 | 778 | 9.53 | 2.87 | 5.01 |
| LAD | 4.47 | 71 | 83 | 0.461 | 30 | 7 | 31 | 1368.0 | 1399 | 173 | 606 | 855 | 9.20 | 3.99 | 5.62 |
1957 - American League
| 1957 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.00 | 98 | 56 | 0.636 | 41 | 13 | 42 | 1395.0 | 1198 | 110 | 580 | 810 | 7.73 | 3.74 | 5.23 |
| CHW | 3.35 | 90 | 64 | 0.581 | 59 | 16 | 27 | 1401.0 | 1305 | 124 | 470 | 665 | 8.38 | 3.02 | 4.27 |
| BAL | 3.46 | 76 | 76 | 0.494 | 44 | 13 | 25 | 1408.0 | 1272 | 95 | 493 | 767 | 8.13 | 3.15 | 4.90 |
| DET | 3.56 | 78 | 76 | 0.506 | 52 | 9 | 21 | 1417.0 | 1330 | 147 | 505 | 756 | 8.45 | 3.21 | 4.80 |
| BOS | 3.88 | 82 | 72 | 0.532 | 55 | 9 | 23 | 1376.0 | 1391 | 116 | 498 | 692 | 9.10 | 3.26 | 4.53 |
| CLE | 4.06 | 76 | 77 | 0.497 | 46 | 7 | 23 | 1380.0 | 1381 | 130 | 618 | 807 | 9.01 | 4.03 | 5.26 |
| OAK | 4.19 | 59 | 94 | 0.383 | 26 | 6 | 19 | 1369.0 | 1344 | 153 | 565 | 626 | 8.84 | 3.71 | 4.12 |
| MIN | 4.85 | 55 | 99 | 0.357 | 31 | 5 | 16 | 1377.0 | 1482 | 149 | 580 | 691 | 9.69 | 3.79 | 4.52 |
1957 - National League
| 1957 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.35 | 84 | 70 | 0.545 | 44 | 18 | 29 | 1399.0 | 1285 | 144 | 456 | 891 | 8.27 | 2.93 | 5.73 |
| ATL | 3.47 | 95 | 59 | 0.613 | 60 | 9 | 24 | 1411.0 | 1347 | 124 | 570 | 693 | 8.59 | 3.64 | 4.42 |
| STL | 3.78 | 87 | 67 | 0.565 | 46 | 11 | 29 | 1413.0 | 1385 | 140 | 506 | 778 | 8.82 | 3.22 | 4.96 |
| PHI | 3.79 | 77 | 77 | 0.494 | 54 | 9 | 23 | 1401.0 | 1363 | 139 | 412 | 858 | 8.76 | 2.65 | 5.51 |
| PIT | 3.88 | 62 | 92 | 0.400 | 47 | 9 | 15 | 1395.0 | 1463 | 158 | 421 | 663 | 9.44 | 2.72 | 4.28 |
| SFG | 4.01 | 69 | 85 | 0.448 | 35 | 9 | 20 | 1398.0 | 1436 | 150 | 471 | 701 | 9.24 | 3.03 | 4.51 |
| CHC | 4.13 | 62 | 92 | 0.397 | 30 | 5 | 26 | 1403.0 | 1397 | 144 | 601 | 859 | 8.96 | 3.86 | 5.51 |
| CIN | 4.62 | 80 | 74 | 0.519 | 40 | 5 | 29 | 1395.0 | 1486 | 179 | 429 | 707 | 9.59 | 2.77 | 4.56 |
1956 - American League
| 1956 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.32 | 88 | 66 | 0.568 | 67 | 17 | 24 | 1384.0 | 1233 | 116 | 564 | 845 | 8.02 | 3.67 | 5.49 |
| NYY | 3.63 | 97 | 57 | 0.630 | 50 | 10 | 35 | 1382.0 | 1285 | 114 | 652 | 732 | 8.37 | 4.25 | 4.77 |
| CHW | 3.73 | 85 | 69 | 0.552 | 65 | 11 | 13 | 1389.0 | 1351 | 118 | 524 | 722 | 8.75 | 3.40 | 4.68 |
| DET | 4.06 | 82 | 72 | 0.529 | 62 | 10 | 15 | 1379.0 | 1389 | 140 | 655 | 788 | 9.07 | 4.27 | 5.14 |
| BOS | 4.17 | 84 | 70 | 0.542 | 50 | 8 | 20 | 1398.0 | 1354 | 130 | 668 | 712 | 8.72 | 4.30 | 4.58 |
| BAL | 4.20 | 69 | 85 | 0.448 | 38 | 10 | 24 | 1360.0 | 1362 | 99 | 547 | 715 | 9.01 | 3.62 | 4.73 |
| OAK | 4.86 | 52 | 102 | 0.338 | 30 | 3 | 18 | 1370.0 | 1424 | 187 | 679 | 636 | 9.35 | 4.46 | 4.18 |
| MIN | 5.33 | 59 | 95 | 0.381 | 36 | 1 | 18 | 1368.0 | 1539 | 171 | 730 | 663 | 10.12 | 4.80 | 4.36 |
1956 - National League
| 1956 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.11 | 92 | 62 | 0.594 | 64 | 12 | 27 | 1393.0 | 1295 | 133 | 467 | 639 | 8.37 | 3.02 | 4.13 |
| LAD | 3.57 | 93 | 61 | 0.604 | 46 | 12 | 30 | 1368.0 | 1251 | 171 | 441 | 772 | 8.23 | 2.90 | 5.08 |
| PIT | 3.74 | 66 | 88 | 0.420 | 37 | 8 | 24 | 1376.0 | 1406 | 142 | 469 | 662 | 9.20 | 3.07 | 4.33 |
| SFG | 3.78 | 67 | 87 | 0.435 | 31 | 9 | 28 | 1378.0 | 1287 | 144 | 551 | 765 | 8.41 | 3.60 | 5.00 |
| CIN | 3.85 | 91 | 63 | 0.587 | 47 | 4 | 29 | 1389.0 | 1406 | 141 | 458 | 653 | 9.11 | 2.97 | 4.23 |
| CHC | 3.96 | 60 | 94 | 0.382 | 37 | 6 | 17 | 1392.0 | 1325 | 161 | 613 | 744 | 8.57 | 3.96 | 4.81 |
| STL | 3.97 | 76 | 78 | 0.487 | 41 | 12 | 30 | 1388.0 | 1339 | 155 | 546 | 709 | 8.68 | 3.54 | 4.60 |
| PHI | 4.20 | 71 | 83 | 0.461 | 57 | 4 | 15 | 1377.0 | 1407 | 172 | 437 | 750 | 9.20 | 2.86 | 4.90 |
1955 - American League
| 1955 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.23 | 96 | 58 | 0.623 | 52 | 19 | 33 | 1372.0 | 1163 | 108 | 688 | 731 | 7.63 | 4.51 | 4.80 |
| CHW | 3.37 | 91 | 63 | 0.587 | 55 | 20 | 23 | 1378.0 | 1301 | 111 | 497 | 720 | 8.50 | 3.25 | 4.70 |
| CLE | 3.39 | 93 | 61 | 0.604 | 45 | 15 | 36 | 1386.0 | 1285 | 111 | 558 | 877 | 8.34 | 3.62 | 5.69 |
| BOS | 3.72 | 84 | 70 | 0.545 | 44 | 9 | 34 | 1384.0 | 1333 | 128 | 582 | 674 | 8.67 | 3.78 | 4.38 |
| DET | 3.79 | 79 | 75 | 0.513 | 66 | 16 | 12 | 1380.0 | 1381 | 126 | 517 | 629 | 9.01 | 3.37 | 4.10 |
| BAL | 4.21 | 57 | 97 | 0.365 | 35 | 10 | 20 | 1388.0 | 1403 | 103 | 625 | 595 | 9.10 | 4.05 | 3.86 |
| MIN | 4.62 | 53 | 101 | 0.344 | 37 | 10 | 16 | 1354.0 | 1450 | 99 | 634 | 607 | 9.64 | 4.21 | 4.03 |
| OAK | 5.35 | 63 | 91 | 0.406 | 29 | 9 | 22 | 1382.0 | 1486 | 175 | 707 | 572 | 9.68 | 4.60 | 3.73 |
1955 - National League
| 1955 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.68 | 98 | 55 | 0.636 | 46 | 11 | 37 | 1378.0 | 1296 | 168 | 483 | 773 | 8.46 | 3.15 | 5.05 |
| SFG | 3.77 | 80 | 74 | 0.519 | 52 | 6 | 14 | 1386.0 | 1347 | 155 | 560 | 721 | 8.75 | 3.64 | 4.68 |
| ATL | 3.85 | 85 | 69 | 0.552 | 61 | 5 | 12 | 1383.0 | 1339 | 138 | 591 | 654 | 8.71 | 3.85 | 4.26 |
| PHI | 3.93 | 77 | 77 | 0.500 | 58 | 11 | 21 | 1356.0 | 1291 | 161 | 477 | 657 | 8.57 | 3.17 | 4.36 |
| CIN | 3.95 | 75 | 79 | 0.487 | 38 | 12 | 22 | 1363.0 | 1373 | 161 | 443 | 576 | 9.07 | 2.93 | 3.80 |
| CHC | 4.17 | 72 | 81 | 0.468 | 47 | 10 | 23 | 1378.0 | 1306 | 153 | 601 | 686 | 8.53 | 3.93 | 4.48 |
| PIT | 4.39 | 60 | 94 | 0.390 | 41 | 5 | 16 | 1362.0 | 1480 | 142 | 536 | 622 | 9.78 | 3.54 | 4.11 |
| STL | 4.56 | 68 | 86 | 0.442 | 42 | 10 | 15 | 1376.0 | 1376 | 185 | 549 | 730 | 9.00 | 3.59 | 4.77 |
1954 - American League
| 1954 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 2.78 | 111 | 43 | 0.712 | 77 | 12 | 36 | 1419.0 | 1220 | 89 | 486 | 678 | 7.74 | 3.08 | 4.30 |
| CHW | 3.05 | 94 | 60 | 0.606 | 60 | 23 | 33 | 1383.0 | 1255 | 94 | 517 | 701 | 8.17 | 3.36 | 4.56 |
| NYY | 3.26 | 103 | 51 | 0.665 | 51 | 16 | 37 | 1379.0 | 1284 | 86 | 552 | 655 | 8.38 | 3.60 | 4.27 |
| DET | 3.81 | 68 | 86 | 0.439 | 58 | 13 | 13 | 1383.0 | 1375 | 138 | 506 | 603 | 8.95 | 3.29 | 3.92 |
| MIN | 3.84 | 66 | 88 | 0.426 | 69 | 10 | 7 | 1383.0 | 1396 | 79 | 573 | 562 | 9.08 | 3.73 | 3.66 |
| BAL | 3.88 | 54 | 100 | 0.351 | 58 | 6 | 8 | 1373.0 | 1279 | 78 | 688 | 668 | 8.38 | 4.51 | 4.38 |
| BOS | 4.01 | 69 | 85 | 0.442 | 41 | 10 | 22 | 1412.0 | 1434 | 118 | 612 | 707 | 9.14 | 3.90 | 4.51 |
| OAK | 5.18 | 51 | 103 | 0.327 | 49 | 3 | 13 | 1371.0 | 1523 | 141 | 685 | 555 | 10.00 | 4.50 | 3.64 |
1954 - National League
| 1954 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.09 | 97 | 57 | 0.630 | 45 | 19 | 33 | 1390.0 | 1258 | 113 | 613 | 692 | 8.15 | 3.97 | 4.48 |
| ATL | 3.19 | 89 | 65 | 0.578 | 63 | 13 | 21 | 1394.0 | 1296 | 106 | 553 | 698 | 8.37 | 3.57 | 4.51 |
| PHI | 3.59 | 75 | 79 | 0.487 | 78 | 14 | 12 | 1365.0 | 1329 | 133 | 450 | 570 | 8.76 | 2.97 | 3.76 |
| LAD | 4.31 | 92 | 62 | 0.597 | 39 | 8 | 36 | 1393.0 | 1399 | 164 | 533 | 762 | 9.04 | 3.44 | 4.92 |
| CIN | 4.50 | 74 | 80 | 0.481 | 34 | 8 | 27 | 1367.0 | 1491 | 169 | 547 | 537 | 9.82 | 3.60 | 3.54 |
| STL | 4.50 | 72 | 82 | 0.468 | 40 | 11 | 18 | 1390.0 | 1484 | 170 | 535 | 680 | 9.61 | 3.46 | 4.40 |
| CHC | 4.51 | 64 | 90 | 0.416 | 41 | 6 | 19 | 1374.0 | 1375 | 131 | 619 | 622 | 9.01 | 4.05 | 4.07 |
| PIT | 4.92 | 53 | 101 | 0.344 | 37 | 4 | 15 | 1346.0 | 1510 | 128 | 564 | 525 | 10.10 | 3.77 | 3.51 |
1953 - American League
| 1953 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.20 | 99 | 52 | 0.656 | 50 | 18 | 39 | 1358.0 | 1286 | 94 | 500 | 604 | 8.52 | 3.31 | 4.00 |
| CHW | 3.41 | 89 | 65 | 0.571 | 57 | 17 | 33 | 1403.0 | 1299 | 113 | 583 | 714 | 8.33 | 3.74 | 4.58 |
| BOS | 3.58 | 84 | 69 | 0.549 | 41 | 15 | 37 | 1373.0 | 1333 | 92 | 584 | 642 | 8.74 | 3.83 | 4.21 |
| CLE | 3.64 | 92 | 62 | 0.594 | 81 | 11 | 15 | 1373.0 | 1311 | 92 | 519 | 586 | 8.59 | 3.40 | 3.84 |
| MIN | 3.66 | 76 | 76 | 0.500 | 76 | 16 | 10 | 1344.0 | 1313 | 112 | 478 | 515 | 8.79 | 3.20 | 3.45 |
| BAL | 4.48 | 54 | 100 | 0.351 | 28 | 10 | 24 | 1383.0 | 1467 | 101 | 626 | 639 | 9.55 | 4.07 | 4.16 |
| OAK | 4.67 | 59 | 95 | 0.376 | 51 | 7 | 11 | 1409.0 | 1475 | 121 | 594 | 566 | 9.42 | 3.79 | 3.62 |
| DET | 5.25 | 60 | 94 | 0.380 | 50 | 2 | 16 | 1415.0 | 1633 | 154 | 585 | 645 | 10.39 | 3.72 | 4.10 |
1953 - National League
| 1953 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.30 | 92 | 62 | 0.586 | 72 | 14 | 15 | 1387.0 | 1282 | 107 | 539 | 738 | 8.32 | 3.50 | 4.79 |
| PHI | 3.80 | 83 | 71 | 0.532 | 76 | 13 | 15 | 1369.0 | 1410 | 138 | 410 | 637 | 9.27 | 2.70 | 4.19 |
| LAD | 4.10 | 105 | 49 | 0.677 | 51 | 11 | 29 | 1380.0 | 1337 | 169 | 509 | 817 | 8.72 | 3.32 | 5.33 |
| STL | 4.23 | 83 | 71 | 0.529 | 51 | 11 | 36 | 1386.0 | 1406 | 139 | 533 | 732 | 9.13 | 3.46 | 4.75 |
| SFG | 4.25 | 70 | 84 | 0.452 | 46 | 10 | 20 | 1365.0 | 1403 | 146 | 610 | 647 | 9.25 | 4.02 | 4.27 |
| CIN | 4.64 | 68 | 86 | 0.439 | 47 | 7 | 15 | 1365.0 | 1484 | 179 | 488 | 506 | 9.78 | 3.22 | 3.34 |
| CHC | 4.79 | 65 | 89 | 0.419 | 38 | 3 | 22 | 1359.0 | 1491 | 151 | 554 | 623 | 9.87 | 3.67 | 4.13 |
| PIT | 5.22 | 50 | 104 | 0.325 | 49 | 4 | 10 | 1358.0 | 1529 | 168 | 577 | 607 | 10.13 | 3.82 | 4.02 |
1952 - American League
| 1952 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.14 | 95 | 59 | 0.617 | 72 | 21 | 27 | 1381.0 | 1240 | 94 | 581 | 666 | 8.08 | 3.79 | 4.34 |
| CHW | 3.25 | 81 | 73 | 0.519 | 53 | 15 | 28 | 1416.0 | 1251 | 86 | 578 | 774 | 7.95 | 3.67 | 4.92 |
| CLE | 3.32 | 93 | 61 | 0.600 | 80 | 19 | 18 | 1407.0 | 1278 | 94 | 556 | 671 | 8.17 | 3.56 | 4.29 |
| MIN | 3.37 | 78 | 76 | 0.497 | 75 | 10 | 15 | 1429.0 | 1405 | 78 | 577 | 574 | 8.85 | 3.63 | 3.62 |
| BOS | 3.80 | 76 | 78 | 0.494 | 53 | 7 | 24 | 1372.0 | 1332 | 107 | 623 | 624 | 8.74 | 4.09 | 4.09 |
| BAL | 4.12 | 64 | 90 | 0.413 | 48 | 6 | 18 | 1399.0 | 1388 | 111 | 598 | 581 | 8.93 | 3.85 | 3.74 |
| OAK | 4.15 | 79 | 75 | 0.510 | 73 | 11 | 16 | 1384.0 | 1402 | 113 | 526 | 562 | 9.12 | 3.42 | 3.65 |
| DET | 4.25 | 50 | 104 | 0.321 | 51 | 10 | 14 | 1388.0 | 1394 | 111 | 591 | 702 | 9.04 | 3.83 | 4.55 |
1952 - National League
| 1952 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| PHI | 3.07 | 87 | 67 | 0.565 | 80 | 17 | 16 | 1386.0 | 1306 | 95 | 373 | 609 | 8.48 | 2.42 | 3.95 |
| LAD | 3.53 | 96 | 57 | 0.619 | 45 | 11 | 24 | 1399.0 | 1295 | 121 | 544 | 773 | 8.33 | 3.50 | 4.97 |
| CHC | 3.58 | 77 | 77 | 0.497 | 59 | 15 | 15 | 1386.0 | 1265 | 101 | 534 | 661 | 8.21 | 3.47 | 4.29 |
| SFG | 3.59 | 92 | 62 | 0.597 | 49 | 12 | 31 | 1371.0 | 1282 | 121 | 538 | 655 | 8.42 | 3.53 | 4.30 |
| STL | 3.66 | 88 | 66 | 0.571 | 49 | 12 | 27 | 1361.0 | 1274 | 119 | 501 | 712 | 8.42 | 3.31 | 4.71 |
| ATL | 3.78 | 64 | 89 | 0.413 | 63 | 11 | 13 | 1396.0 | 1388 | 106 | 525 | 687 | 8.95 | 3.38 | 4.43 |
| CIN | 4.01 | 69 | 85 | 0.448 | 56 | 11 | 12 | 1363.0 | 1377 | 111 | 517 | 579 | 9.09 | 3.41 | 3.82 |
| PIT | 4.65 | 42 | 112 | 0.271 | 43 | 5 | 8 | 1363.0 | 1395 | 133 | 615 | 564 | 9.21 | 4.06 | 3.72 |
1951 - American League
| 1951 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.38 | 93 | 61 | 0.600 | 76 | 10 | 19 | 1391.0 | 1287 | 86 | 577 | 642 | 8.33 | 3.73 | 4.15 |
| CHW | 3.50 | 81 | 73 | 0.523 | 74 | 11 | 14 | 1418.0 | 1353 | 109 | 549 | 572 | 8.59 | 3.48 | 3.63 |
| NYY | 3.56 | 98 | 56 | 0.636 | 66 | 24 | 22 | 1367.0 | 1290 | 92 | 562 | 664 | 8.49 | 3.70 | 4.37 |
| BOS | 4.14 | 87 | 67 | 0.565 | 46 | 7 | 24 | 1399.0 | 1413 | 100 | 599 | 658 | 9.09 | 3.85 | 4.23 |
| DET | 4.29 | 73 | 81 | 0.474 | 51 | 8 | 17 | 1384.0 | 1385 | 102 | 602 | 597 | 9.01 | 3.91 | 3.88 |
| OAK | 4.47 | 70 | 84 | 0.455 | 52 | 7 | 22 | 1358.0 | 1421 | 109 | 569 | 437 | 9.42 | 3.77 | 2.90 |
| MIN | 4.49 | 62 | 92 | 0.403 | 58 | 6 | 13 | 1366.0 | 1429 | 110 | 630 | 475 | 9.42 | 4.15 | 3.13 |
| BAL | 5.18 | 52 | 102 | 0.338 | 56 | 5 | 9 | 1370.0 | 1525 | 131 | 801 | 550 | 10.02 | 5.26 | 3.61 |
1951 - National League
| 1951 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.48 | 98 | 59 | 0.624 | 64 | 9 | 18 | 1412.0 | 1334 | 148 | 482 | 625 | 8.50 | 3.07 | 3.98 |
| CIN | 3.70 | 68 | 86 | 0.439 | 55 | 14 | 23 | 1390.0 | 1357 | 119 | 490 | 584 | 8.79 | 3.17 | 3.78 |
| ATL | 3.75 | 76 | 78 | 0.490 | 73 | 16 | 12 | 1389.0 | 1378 | 96 | 595 | 604 | 8.93 | 3.86 | 3.91 |
| PHI | 3.81 | 73 | 81 | 0.474 | 57 | 19 | 15 | 1384.0 | 1373 | 110 | 497 | 570 | 8.93 | 3.23 | 3.71 |
| LAD | 3.88 | 97 | 60 | 0.614 | 64 | 10 | 13 | 1423.0 | 1360 | 150 | 549 | 693 | 8.60 | 3.47 | 4.38 |
| STL | 3.95 | 81 | 73 | 0.523 | 58 | 9 | 23 | 1387.0 | 1391 | 119 | 568 | 546 | 9.03 | 3.69 | 3.54 |
| CHC | 4.34 | 62 | 92 | 0.400 | 48 | 10 | 10 | 1385.0 | 1416 | 125 | 572 | 544 | 9.20 | 3.72 | 3.54 |
| PIT | 4.79 | 64 | 90 | 0.413 | 40 | 9 | 22 | 1380.0 | 1479 | 157 | 609 | 580 | 9.65 | 3.97 | 3.78 |
1950 - American League
| 1950 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.75 | 92 | 62 | 0.594 | 69 | 11 | 16 | 1378.0 | 1289 | 120 | 647 | 674 | 8.42 | 4.23 | 4.40 |
| DET | 4.12 | 95 | 59 | 0.605 | 72 | 9 | 20 | 1407.0 | 1444 | 141 | 553 | 576 | 9.24 | 3.54 | 3.68 |
| NYY | 4.15 | 98 | 56 | 0.632 | 66 | 12 | 31 | 1372.0 | 1322 | 118 | 708 | 712 | 8.67 | 4.64 | 4.67 |
| CHW | 4.41 | 60 | 94 | 0.385 | 62 | 7 | 9 | 1365.0 | 1370 | 107 | 734 | 566 | 9.03 | 4.84 | 3.73 |
| MIN | 4.66 | 67 | 87 | 0.432 | 59 | 7 | 18 | 1364.0 | 1479 | 99 | 648 | 486 | 9.76 | 4.28 | 3.21 |
| BOS | 4.88 | 94 | 60 | 0.610 | 66 | 6 | 28 | 1362.0 | 1413 | 121 | 748 | 630 | 9.34 | 4.94 | 4.16 |
| BAL | 5.20 | 58 | 96 | 0.377 | 56 | 7 | 14 | 1365.0 | 1629 | 129 | 651 | 448 | 10.74 | 4.29 | 2.95 |
| OAK | 5.49 | 52 | 102 | 0.338 | 50 | 3 | 18 | 1346.0 | 1528 | 138 | 729 | 466 | 10.22 | 4.87 | 3.12 |
1950 - National League
| 1950 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| PHI | 3.50 | 91 | 63 | 0.580 | 57 | 13 | 27 | 1406.0 | 1324 | 122 | 530 | 620 | 8.48 | 3.39 | 3.97 |
| SFG | 3.71 | 86 | 68 | 0.558 | 70 | 19 | 15 | 1375.0 | 1268 | 140 | 536 | 596 | 8.30 | 3.51 | 3.90 |
| STL | 3.97 | 78 | 75 | 0.510 | 57 | 10 | 14 | 1356.0 | 1398 | 119 | 535 | 603 | 9.28 | 3.55 | 4.00 |
| ATL | 4.14 | 83 | 71 | 0.532 | 88 | 7 | 10 | 1385.0 | 1411 | 129 | 554 | 615 | 9.17 | 3.60 | 4.00 |
| LAD | 4.28 | 89 | 65 | 0.574 | 62 | 10 | 21 | 1389.0 | 1397 | 163 | 591 | 772 | 9.05 | 3.83 | 5.00 |
| CHC | 4.28 | 64 | 89 | 0.416 | 55 | 9 | 19 | 1371.0 | 1452 | 130 | 593 | 559 | 9.53 | 3.89 | 3.67 |
| CIN | 4.32 | 66 | 87 | 0.431 | 67 | 7 | 13 | 1357.0 | 1363 | 145 | 582 | 686 | 9.04 | 3.86 | 4.55 |
| PIT | 4.96 | 57 | 96 | 0.370 | 42 | 6 | 16 | 1368.0 | 1472 | 152 | 616 | 556 | 9.68 | 4.05 | 3.66 |
1949 - American League
| 1949 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.36 | 89 | 65 | 0.578 | 65 | 10 | 19 | 1383.0 | 1275 | 82 | 611 | 594 | 8.30 | 3.98 | 3.87 |
| NYY | 3.69 | 97 | 57 | 0.626 | 59 | 12 | 36 | 1371.0 | 1231 | 98 | 812 | 671 | 8.08 | 5.33 | 4.40 |
| DET | 3.77 | 87 | 67 | 0.561 | 70 | 19 | 12 | 1393.0 | 1338 | 102 | 628 | 631 | 8.64 | 4.06 | 4.08 |
| BOS | 3.97 | 96 | 58 | 0.619 | 84 | 16 | 16 | 1377.0 | 1375 | 82 | 661 | 598 | 8.99 | 4.32 | 3.91 |
| OAK | 4.23 | 81 | 73 | 0.526 | 85 | 9 | 11 | 1365.0 | 1359 | 105 | 758 | 490 | 8.96 | 5.00 | 3.23 |
| CHW | 4.30 | 63 | 91 | 0.409 | 57 | 10 | 17 | 1363.0 | 1362 | 108 | 693 | 502 | 8.99 | 4.58 | 3.31 |
| MIN | 5.10 | 50 | 104 | 0.325 | 44 | 9 | 9 | 1345.0 | 1438 | 79 | 779 | 451 | 9.62 | 5.21 | 3.02 |
| BAL | 5.21 | 53 | 101 | 0.342 | 43 | 3 | 16 | 1341.0 | 1583 | 113 | 685 | 432 | 10.62 | 4.60 | 2.90 |
1949 - National League
| 1949 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 3.44 | 96 | 58 | 0.611 | 64 | 13 | 19 | 1407.0 | 1356 | 87 | 507 | 606 | 8.67 | 3.24 | 3.88 |
| LAD | 3.80 | 97 | 57 | 0.622 | 62 | 15 | 17 | 1408.0 | 1306 | 132 | 582 | 743 | 8.35 | 3.72 | 4.75 |
| SFG | 3.82 | 73 | 81 | 0.468 | 68 | 10 | 9 | 1374.0 | 1328 | 132 | 544 | 516 | 8.70 | 3.56 | 3.38 |
| PHI | 3.89 | 81 | 73 | 0.526 | 58 | 12 | 15 | 1391.0 | 1389 | 104 | 502 | 495 | 8.99 | 3.25 | 3.20 |
| ATL | 3.99 | 75 | 79 | 0.478 | 68 | 12 | 11 | 1400.0 | 1466 | 110 | 520 | 589 | 9.42 | 3.34 | 3.79 |
| CIN | 4.34 | 62 | 92 | 0.397 | 55 | 10 | 6 | 1401.0 | 1423 | 124 | 640 | 538 | 9.14 | 4.11 | 3.46 |
| CHC | 4.50 | 61 | 93 | 0.396 | 44 | 8 | 17 | 1357.0 | 1487 | 104 | 575 | 544 | 9.86 | 3.81 | 3.61 |
| PIT | 4.57 | 71 | 83 | 0.461 | 53 | 9 | 15 | 1356.0 | 1452 | 142 | 535 | 556 | 9.64 | 3.55 | 3.69 |
1948 - American League
| 1948 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.22 | 97 | 58 | 0.622 | 66 | 26 | 30 | 1409.0 | 1246 | 82 | 628 | 595 | 7.96 | 4.01 | 3.80 |
| NYY | 3.75 | 94 | 60 | 0.610 | 62 | 16 | 24 | 1365.0 | 1289 | 94 | 641 | 654 | 8.50 | 4.23 | 4.31 |
| DET | 4.15 | 78 | 76 | 0.506 | 60 | 5 | 22 | 1377.0 | 1367 | 92 | 589 | 678 | 8.93 | 3.85 | 4.43 |
| BOS | 4.26 | 96 | 59 | 0.619 | 70 | 11 | 13 | 1379.0 | 1445 | 83 | 592 | 513 | 9.43 | 3.86 | 3.35 |
| OAK | 4.43 | 84 | 70 | 0.545 | 74 | 7 | 18 | 1368.0 | 1456 | 86 | 638 | 486 | 9.58 | 4.20 | 3.20 |
| MIN | 4.65 | 56 | 97 | 0.364 | 42 | 4 | 22 | 1357.0 | 1439 | 81 | 734 | 446 | 9.54 | 4.87 | 2.96 |
| CHW | 4.89 | 51 | 101 | 0.331 | 35 | 2 | 23 | 1345.0 | 1454 | 89 | 673 | 403 | 9.73 | 4.50 | 2.70 |
| BAL | 5.01 | 59 | 94 | 0.381 | 35 | 4 | 20 | 1373.0 | 1513 | 103 | 737 | 531 | 9.92 | 4.83 | 3.48 |
1948 - National League
| 1948 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.37 | 91 | 62 | 0.591 | 70 | 10 | 17 | 1389.0 | 1354 | 93 | 430 | 579 | 8.77 | 2.79 | 3.75 |
| LAD | 3.75 | 84 | 70 | 0.542 | 52 | 9 | 22 | 1392.0 | 1328 | 119 | 633 | 670 | 8.59 | 4.09 | 4.33 |
| STL | 3.91 | 85 | 69 | 0.548 | 60 | 13 | 18 | 1368.0 | 1392 | 103 | 476 | 625 | 9.16 | 3.13 | 4.11 |
| SFG | 3.93 | 78 | 76 | 0.503 | 54 | 15 | 21 | 1373.0 | 1425 | 122 | 556 | 527 | 9.34 | 3.64 | 3.45 |
| CHC | 4.00 | 64 | 90 | 0.413 | 51 | 7 | 10 | 1355.0 | 1355 | 89 | 619 | 636 | 9.00 | 4.11 | 4.22 |
| PHI | 4.08 | 66 | 88 | 0.426 | 61 | 6 | 15 | 1362.0 | 1385 | 95 | 556 | 550 | 9.15 | 3.67 | 3.63 |
| PIT | 4.15 | 83 | 71 | 0.532 | 65 | 5 | 19 | 1371.0 | 1373 | 120 | 564 | 543 | 9.01 | 3.70 | 3.56 |
| CIN | 4.47 | 64 | 89 | 0.418 | 40 | 8 | 20 | 1343.0 | 1410 | 104 | 572 | 599 | 9.45 | 3.83 | 4.01 |
1947 - American League
| 1947 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.39 | 97 | 57 | 0.626 | 73 | 14 | 21 | 1374.0 | 1221 | 95 | 628 | 691 | 8.00 | 4.11 | 4.53 |
| CLE | 3.44 | 80 | 74 | 0.510 | 55 | 13 | 29 | 1402.0 | 1244 | 94 | 628 | 590 | 7.99 | 4.03 | 3.79 |
| OAK | 3.51 | 78 | 76 | 0.500 | 70 | 12 | 15 | 1391.0 | 1291 | 85 | 597 | 493 | 8.35 | 3.86 | 3.19 |
| DET | 3.57 | 85 | 69 | 0.538 | 77 | 15 | 18 | 1398.0 | 1382 | 79 | 531 | 648 | 8.90 | 3.42 | 4.17 |
| CHW | 3.64 | 70 | 84 | 0.452 | 47 | 11 | 27 | 1391.0 | 1384 | 76 | 603 | 522 | 8.95 | 3.90 | 3.38 |
| BOS | 3.81 | 83 | 71 | 0.529 | 64 | 13 | 19 | 1391.0 | 1383 | 84 | 575 | 586 | 8.95 | 3.72 | 3.79 |
| MIN | 3.97 | 64 | 90 | 0.416 | 67 | 15 | 12 | 1362.0 | 1408 | 63 | 579 | 551 | 9.30 | 3.83 | 3.64 |
| BAL | 4.33 | 59 | 95 | 0.383 | 50 | 7 | 13 | 1365.0 | 1426 | 103 | 604 | 552 | 9.40 | 3.98 | 3.64 |
1947 - National League
| 1947 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 3.53 | 89 | 65 | 0.571 | 65 | 12 | 20 | 1397.0 | 1417 | 106 | 495 | 642 | 9.13 | 3.19 | 4.14 |
| ATL | 3.62 | 86 | 68 | 0.558 | 74 | 14 | 13 | 1362.0 | 1342 | 93 | 453 | 494 | 8.87 | 2.99 | 3.26 |
| LAD | 3.82 | 94 | 60 | 0.606 | 47 | 14 | 34 | 1375.0 | 1299 | 104 | 626 | 592 | 8.50 | 4.10 | 3.87 |
| PHI | 3.96 | 62 | 92 | 0.400 | 70 | 8 | 14 | 1362.0 | 1399 | 98 | 513 | 514 | 9.24 | 3.39 | 3.40 |
| CHC | 4.04 | 69 | 85 | 0.445 | 46 | 8 | 15 | 1367.0 | 1449 | 106 | 618 | 571 | 9.54 | 4.07 | 3.76 |
| CIN | 4.41 | 73 | 81 | 0.474 | 54 | 13 | 13 | 1365.0 | 1442 | 102 | 589 | 633 | 9.51 | 3.88 | 4.17 |
| SFG | 4.44 | 81 | 73 | 0.523 | 58 | 6 | 14 | 1363.0 | 1428 | 122 | 590 | 553 | 9.43 | 3.90 | 3.65 |
| PIT | 4.68 | 62 | 92 | 0.397 | 44 | 9 | 13 | 1374.0 | 1488 | 155 | 592 | 530 | 9.75 | 3.88 | 3.47 |
1946 - American League
| 1946 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 3.10 | 74 | 80 | 0.477 | 62 | 9 | 16 | 1392.0 | 1348 | 80 | 508 | 550 | 8.72 | 3.28 | 3.56 |
| NYY | 3.13 | 87 | 67 | 0.565 | 68 | 17 | 17 | 1361.0 | 1232 | 66 | 552 | 653 | 8.15 | 3.65 | 4.32 |
| DET | 3.22 | 92 | 62 | 0.594 | 94 | 18 | 15 | 1402.0 | 1277 | 97 | 497 | 896 | 8.20 | 3.19 | 5.75 |
| BOS | 3.38 | 104 | 50 | 0.667 | 79 | 15 | 20 | 1396.0 | 1359 | 89 | 501 | 667 | 8.76 | 3.23 | 4.30 |
| CLE | 3.62 | 68 | 86 | 0.436 | 63 | 16 | 13 | 1388.0 | 1282 | 84 | 649 | 789 | 8.31 | 4.21 | 5.12 |
| MIN | 3.74 | 76 | 78 | 0.490 | 71 | 8 | 10 | 1396.0 | 1459 | 81 | 547 | 537 | 9.41 | 3.53 | 3.46 |
| OAK | 3.90 | 49 | 105 | 0.316 | 61 | 10 | 5 | 1342.0 | 1371 | 83 | 577 | 562 | 9.19 | 3.87 | 3.77 |
| BAL | 3.95 | 66 | 88 | 0.423 | 63 | 13 | 12 | 1382.0 | 1465 | 73 | 573 | 574 | 9.54 | 3.73 | 3.74 |
1946 - National League
| 1946 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 3.01 | 98 | 58 | 0.628 | 75 | 18 | 15 | 1397.0 | 1326 | 63 | 493 | 607 | 8.54 | 3.18 | 3.91 |
| LAD | 3.05 | 96 | 60 | 0.611 | 52 | 14 | 28 | 1418.0 | 1280 | 58 | 671 | 647 | 8.12 | 4.26 | 4.11 |
| CIN | 3.08 | 67 | 87 | 0.429 | 69 | 17 | 11 | 1413.0 | 1334 | 70 | 467 | 506 | 8.50 | 2.97 | 3.22 |
| CHC | 3.24 | 82 | 71 | 0.529 | 59 | 15 | 11 | 1393.0 | 1370 | 58 | 527 | 619 | 8.85 | 3.40 | 4.00 |
| ATL | 3.35 | 81 | 72 | 0.526 | 73 | 10 | 12 | 1371.0 | 1291 | 76 | 478 | 566 | 8.47 | 3.14 | 3.72 |
| PIT | 3.72 | 63 | 91 | 0.406 | 61 | 10 | 6 | 1370.0 | 1406 | 50 | 561 | 458 | 9.24 | 3.69 | 3.01 |
| SFG | 3.92 | 61 | 93 | 0.396 | 47 | 8 | 13 | 1353.0 | 1313 | 114 | 660 | 581 | 8.73 | 4.39 | 3.86 |
| PHI | 3.99 | 69 | 85 | 0.445 | 55 | 11 | 23 | 1369.0 | 1442 | 73 | 542 | 490 | 9.48 | 3.56 | 3.22 |
1945 - American League
| 1945 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 2.92 | 87 | 67 | 0.558 | 82 | 19 | 11 | 1412.0 | 1307 | 42 | 440 | 550 | 8.33 | 2.80 | 3.51 |
| DET | 2.99 | 88 | 65 | 0.568 | 78 | 19 | 16 | 1393.0 | 1305 | 48 | 538 | 588 | 8.43 | 3.48 | 3.80 |
| BAL | 3.14 | 81 | 70 | 0.526 | 91 | 10 | 8 | 1382.0 | 1307 | 59 | 506 | 570 | 8.51 | 3.30 | 3.71 |
| CLE | 3.31 | 73 | 72 | 0.497 | 76 | 14 | 12 | 1302.0 | 1269 | 39 | 501 | 497 | 8.77 | 3.46 | 3.44 |
| NYY | 3.45 | 81 | 71 | 0.533 | 78 | 9 | 14 | 1355.0 | 1277 | 66 | 485 | 474 | 8.48 | 3.22 | 3.15 |
| OAK | 3.62 | 52 | 98 | 0.340 | 65 | 11 | 8 | 1381.0 | 1380 | 55 | 571 | 531 | 8.99 | 3.72 | 3.46 |
| CHW | 3.69 | 71 | 78 | 0.473 | 84 | 13 | 13 | 1330.0 | 1400 | 63 | 448 | 486 | 9.47 | 3.03 | 3.29 |
| BOS | 3.80 | 71 | 83 | 0.452 | 71 | 15 | 13 | 1390.0 | 1389 | 58 | 656 | 490 | 8.99 | 4.25 | 3.17 |
1945 - National League
| 1945 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 2.98 | 98 | 56 | 0.632 | 86 | 15 | 14 | 1366.0 | 1301 | 57 | 385 | 541 | 8.57 | 2.54 | 3.56 |
| STL | 3.24 | 95 | 59 | 0.613 | 77 | 18 | 9 | 1408.0 | 1351 | 70 | 497 | 510 | 8.64 | 3.18 | 3.26 |
| LAD | 3.70 | 87 | 67 | 0.561 | 61 | 7 | 18 | 1392.0 | 1357 | 74 | 586 | 557 | 8.77 | 3.79 | 3.60 |
| PIT | 3.76 | 82 | 72 | 0.529 | 73 | 8 | 16 | 1387.0 | 1477 | 61 | 455 | 518 | 9.58 | 2.95 | 3.36 |
| CIN | 4.00 | 61 | 93 | 0.396 | 77 | 11 | 6 | 1365.0 | 1438 | 70 | 534 | 372 | 9.48 | 3.52 | 2.45 |
| ATL | 4.04 | 67 | 85 | 0.435 | 57 | 7 | 13 | 1391.0 | 1474 | 99 | 557 | 404 | 9.54 | 3.60 | 2.61 |
| SFG | 4.06 | 78 | 74 | 0.506 | 53 | 13 | 21 | 1374.0 | 1401 | 85 | 528 | 530 | 9.18 | 3.46 | 3.47 |
| PHI | 4.64 | 46 | 108 | 0.299 | 31 | 4 | 26 | 1352.0 | 1544 | 61 | 608 | 432 | 10.28 | 4.05 | 2.88 |
1944 - American League
| 1944 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| DET | 3.09 | 88 | 66 | 0.564 | 87 | 20 | 8 | 1400.0 | 1373 | 39 | 452 | 568 | 8.83 | 2.91 | 3.65 |
| BAL | 3.17 | 89 | 65 | 0.578 | 71 | 16 | 17 | 1397.0 | 1392 | 58 | 469 | 581 | 8.97 | 3.02 | 3.74 |
| OAK | 3.26 | 72 | 82 | 0.465 | 72 | 10 | 14 | 1397.0 | 1345 | 58 | 390 | 534 | 8.66 | 2.51 | 3.44 |
| NYY | 3.39 | 83 | 71 | 0.539 | 78 | 9 | 13 | 1390.0 | 1351 | 82 | 532 | 529 | 8.75 | 3.44 | 3.43 |
| MIN | 3.49 | 64 | 90 | 0.416 | 83 | 13 | 11 | 1381.0 | 1410 | 48 | 475 | 503 | 9.19 | 3.10 | 3.28 |
| CHW | 3.58 | 71 | 83 | 0.461 | 64 | 5 | 17 | 1390.0 | 1411 | 68 | 420 | 481 | 9.14 | 2.72 | 3.11 |
| CLE | 3.65 | 72 | 82 | 0.465 | 48 | 7 | 18 | 1419.0 | 1428 | 40 | 621 | 524 | 9.06 | 3.94 | 3.32 |
| BOS | 3.82 | 77 | 77 | 0.494 | 58 | 7 | 17 | 1394.0 | 1404 | 66 | 592 | 524 | 9.06 | 3.82 | 3.38 |
1944 - National League
| 1944 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 2.67 | 105 | 49 | 0.669 | 89 | 26 | 12 | 1427.0 | 1228 | 55 | 468 | 637 | 7.74 | 2.95 | 4.02 |
| CIN | 2.97 | 89 | 65 | 0.574 | 93 | 17 | 12 | 1398.0 | 1292 | 60 | 390 | 369 | 8.32 | 2.51 | 2.38 |
| PIT | 3.44 | 90 | 63 | 0.570 | 77 | 10 | 19 | 1414.0 | 1466 | 65 | 435 | 452 | 9.33 | 2.77 | 2.88 |
| CHC | 3.59 | 75 | 79 | 0.478 | 70 | 11 | 13 | 1400.0 | 1484 | 75 | 458 | 545 | 9.54 | 2.94 | 3.50 |
| PHI | 3.64 | 61 | 92 | 0.396 | 66 | 11 | 6 | 1395.0 | 1407 | 49 | 459 | 496 | 9.08 | 2.96 | 3.20 |
| ATL | 3.67 | 65 | 89 | 0.419 | 70 | 13 | 12 | 1388.0 | 1430 | 80 | 527 | 454 | 9.27 | 3.42 | 2.94 |
| SFG | 4.29 | 67 | 87 | 0.432 | 47 | 4 | 21 | 1363.0 | 1413 | 116 | 587 | 499 | 9.33 | 3.88 | 3.29 |
| LAD | 4.68 | 63 | 91 | 0.406 | 50 | 4 | 13 | 1367.0 | 1471 | 75 | 660 | 487 | 9.68 | 4.35 | 3.21 |
1943 - American League
| 1943 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 2.93 | 98 | 56 | 0.632 | 83 | 14 | 13 | 1415.0 | 1229 | 60 | 489 | 653 | 7.82 | 3.11 | 4.15 |
| DET | 3.00 | 78 | 76 | 0.503 | 67 | 18 | 20 | 1411.0 | 1226 | 51 | 549 | 706 | 7.82 | 3.50 | 4.50 |
| CLE | 3.15 | 82 | 71 | 0.536 | 64 | 14 | 20 | 1406.0 | 1234 | 52 | 606 | 585 | 7.90 | 3.88 | 3.74 |
| MIN | 3.18 | 84 | 69 | 0.549 | 61 | 16 | 21 | 1388.0 | 1293 | 48 | 540 | 495 | 8.38 | 3.50 | 3.21 |
| CHW | 3.20 | 82 | 72 | 0.529 | 70 | 12 | 19 | 1400.0 | 1352 | 54 | 501 | 476 | 8.69 | 3.22 | 3.06 |
| BAL | 3.41 | 72 | 80 | 0.471 | 64 | 10 | 14 | 1385.0 | 1397 | 74 | 488 | 572 | 9.08 | 3.17 | 3.72 |
| BOS | 3.45 | 68 | 84 | 0.439 | 62 | 13 | 16 | 1426.0 | 1369 | 61 | 615 | 513 | 8.64 | 3.88 | 3.24 |
| OAK | 4.05 | 49 | 105 | 0.316 | 73 | 5 | 13 | 1394.0 | 1421 | 73 | 536 | 503 | 9.17 | 3.46 | 3.25 |
1943 - National League
| 1943 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 2.57 | 105 | 49 | 0.669 | 94 | 21 | 15 | 1427.0 | 1246 | 33 | 477 | 639 | 7.86 | 3.01 | 4.03 |
| PIT | 3.08 | 80 | 74 | 0.510 | 74 | 11 | 12 | 1404.0 | 1424 | 44 | 422 | 396 | 9.13 | 2.71 | 2.54 |
| CIN | 3.13 | 87 | 67 | 0.561 | 78 | 18 | 17 | 1404.0 | 1299 | 38 | 579 | 498 | 8.33 | 3.71 | 3.19 |
| ATL | 3.25 | 68 | 85 | 0.444 | 87 | 13 | 4 | 1397.0 | 1361 | 66 | 441 | 409 | 8.77 | 2.84 | 2.63 |
| CHC | 3.31 | 74 | 79 | 0.481 | 67 | 13 | 14 | 1386.0 | 1379 | 53 | 394 | 513 | 8.95 | 2.56 | 3.33 |
| PHI | 3.79 | 64 | 90 | 0.408 | 66 | 10 | 14 | 1392.0 | 1436 | 59 | 451 | 431 | 9.28 | 2.92 | 2.79 |
| LAD | 3.88 | 81 | 72 | 0.529 | 50 | 13 | 22 | 1369.0 | 1326 | 59 | 637 | 588 | 8.72 | 4.19 | 3.87 |
| SFG | 4.08 | 55 | 98 | 0.353 | 35 | 6 | 19 | 1394.0 | 1474 | 80 | 626 | 588 | 9.52 | 4.04 | 3.80 |
1942 - American League
| 1942 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 2.91 | 103 | 51 | 0.669 | 88 | 18 | 17 | 1375.0 | 1259 | 71 | 431 | 558 | 8.24 | 2.82 | 3.65 |
| DET | 3.13 | 73 | 81 | 0.468 | 65 | 12 | 14 | 1399.0 | 1321 | 60 | 598 | 671 | 8.50 | 3.85 | 4.32 |
| BOS | 3.44 | 93 | 59 | 0.612 | 84 | 11 | 17 | 1358.0 | 1260 | 65 | 553 | 500 | 8.35 | 3.66 | 3.31 |
| CHW | 3.58 | 66 | 82 | 0.446 | 86 | 8 | 8 | 1314.0 | 1304 | 74 | 473 | 432 | 8.93 | 3.24 | 2.96 |
| CLE | 3.59 | 75 | 79 | 0.481 | 61 | 12 | 11 | 1402.0 | 1353 | 61 | 560 | 448 | 8.69 | 3.59 | 2.88 |
| BAL | 3.59 | 82 | 69 | 0.543 | 68 | 12 | 13 | 1363.0 | 1387 | 63 | 505 | 488 | 9.16 | 3.33 | 3.22 |
| OAK | 4.45 | 55 | 99 | 0.357 | 67 | 5 | 9 | 1374.0 | 1404 | 89 | 639 | 546 | 9.20 | 4.19 | 3.58 |
| MIN | 4.58 | 62 | 89 | 0.411 | 68 | 12 | 11 | 1346.0 | 1496 | 50 | 558 | 496 | 10.00 | 3.73 | 3.32 |
1942 - National League
| 1942 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 2.55 | 106 | 48 | 0.679 | 70 | 18 | 15 | 1410.0 | 1192 | 49 | 473 | 651 | 7.61 | 3.02 | 4.16 |
| CIN | 2.82 | 76 | 76 | 0.494 | 80 | 12 | 8 | 1411.0 | 1213 | 47 | 526 | 616 | 7.74 | 3.36 | 3.93 |
| LAD | 2.84 | 104 | 50 | 0.671 | 67 | 16 | 24 | 1398.0 | 1205 | 73 | 493 | 612 | 7.76 | 3.17 | 3.94 |
| SFG | 3.31 | 85 | 67 | 0.552 | 70 | 12 | 13 | 1370.0 | 1299 | 94 | 493 | 497 | 8.53 | 3.24 | 3.26 |
| PIT | 3.58 | 66 | 81 | 0.437 | 64 | 13 | 11 | 1351.0 | 1376 | 62 | 435 | 426 | 9.17 | 2.90 | 2.84 |
| CHC | 3.60 | 68 | 86 | 0.439 | 71 | 10 | 14 | 1400.0 | 1447 | 70 | 525 | 507 | 9.30 | 3.38 | 3.26 |
| ATL | 3.76 | 59 | 89 | 0.393 | 68 | 9 | 8 | 1334.0 | 1326 | 82 | 518 | 414 | 8.95 | 3.49 | 2.79 |
| PHI | 4.12 | 42 | 109 | 0.278 | 51 | 2 | 6 | 1341.0 | 1328 | 61 | 605 | 472 | 8.91 | 4.06 | 3.17 |
1941 - American League
| 1941 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 3.52 | 77 | 77 | 0.494 | 106 | 14 | 4 | 1416.0 | 1362 | 89 | 521 | 564 | 8.66 | 3.31 | 3.58 |
| NYY | 3.53 | 101 | 53 | 0.647 | 75 | 13 | 26 | 1396.0 | 1309 | 81 | 598 | 589 | 8.44 | 3.86 | 3.80 |
| CLE | 3.90 | 75 | 79 | 0.484 | 68 | 10 | 19 | 1377.0 | 1366 | 71 | 660 | 617 | 8.93 | 4.31 | 4.03 |
| DET | 4.18 | 75 | 79 | 0.484 | 52 | 8 | 16 | 1381.0 | 1399 | 80 | 645 | 697 | 9.12 | 4.20 | 4.54 |
| BOS | 4.19 | 84 | 70 | 0.542 | 70 | 8 | 11 | 1372.0 | 1453 | 88 | 611 | 574 | 9.53 | 4.01 | 3.77 |
| MIN | 4.35 | 70 | 84 | 0.449 | 69 | 8 | 7 | 1389.0 | 1524 | 69 | 603 | 544 | 9.87 | 3.91 | 3.52 |
| BAL | 4.72 | 70 | 84 | 0.446 | 65 | 7 | 10 | 1389.0 | 1563 | 120 | 549 | 454 | 10.13 | 3.56 | 2.94 |
| OAK | 4.83 | 64 | 90 | 0.416 | 64 | 3 | 18 | 1365.0 | 1516 | 136 | 557 | 386 | 10.00 | 3.67 | 2.55 |
1941 - National League
| 1941 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.14 | 100 | 54 | 0.637 | 66 | 17 | 22 | 1421.0 | 1236 | 81 | 495 | 603 | 7.83 | 3.14 | 3.82 |
| CIN | 3.17 | 88 | 66 | 0.571 | 89 | 19 | 10 | 1386.0 | 1300 | 61 | 510 | 627 | 8.44 | 3.31 | 4.07 |
| STL | 3.19 | 97 | 56 | 0.626 | 64 | 15 | 20 | 1416.0 | 1289 | 85 | 502 | 659 | 8.19 | 3.19 | 4.19 |
| PIT | 3.48 | 81 | 73 | 0.519 | 71 | 8 | 12 | 1374.0 | 1392 | 66 | 492 | 410 | 9.12 | 3.22 | 2.69 |
| CHC | 3.72 | 70 | 84 | 0.452 | 74 | 8 | 9 | 1364.0 | 1431 | 60 | 449 | 548 | 9.44 | 2.96 | 3.62 |
| SFG | 3.94 | 74 | 79 | 0.474 | 55 | 12 | 18 | 1391.0 | 1455 | 90 | 539 | 566 | 9.41 | 3.49 | 3.66 |
| ATL | 3.95 | 62 | 92 | 0.397 | 62 | 10 | 9 | 1385.0 | 1440 | 75 | 554 | 446 | 9.36 | 3.60 | 2.90 |
| PHI | 4.50 | 43 | 111 | 0.277 | 35 | 4 | 9 | 1372.0 | 1499 | 79 | 606 | 552 | 9.83 | 3.98 | 3.62 |
1940 - American League
| 1940 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.63 | 89 | 65 | 0.574 | 72 | 13 | 22 | 1375.0 | 1328 | 86 | 512 | 686 | 8.69 | 3.35 | 4.49 |
| CHW | 3.74 | 82 | 72 | 0.529 | 83 | 10 | 18 | 1386.0 | 1335 | 111 | 480 | 574 | 8.67 | 3.12 | 3.73 |
| NYY | 3.89 | 88 | 66 | 0.568 | 76 | 10 | 14 | 1373.0 | 1389 | 119 | 511 | 559 | 9.10 | 3.35 | 3.66 |
| DET | 4.01 | 90 | 64 | 0.581 | 59 | 10 | 23 | 1375.0 | 1425 | 102 | 570 | 752 | 9.33 | 3.73 | 4.92 |
| MIN | 4.59 | 64 | 90 | 0.416 | 74 | 6 | 7 | 1350.0 | 1494 | 93 | 618 | 618 | 9.96 | 4.12 | 4.12 |
| BOS | 4.89 | 82 | 72 | 0.532 | 51 | 4 | 16 | 1379.0 | 1568 | 124 | 625 | 613 | 10.23 | 4.08 | 4.00 |
| BAL | 5.12 | 67 | 87 | 0.429 | 64 | 4 | 9 | 1373.0 | 1592 | 113 | 646 | 439 | 10.44 | 4.23 | 2.88 |
| OAK | 5.22 | 54 | 100 | 0.351 | 72 | 4 | 12 | 1345.0 | 1543 | 135 | 534 | 488 | 10.32 | 3.57 | 3.27 |
1940 - National League
| 1940 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CIN | 3.05 | 100 | 53 | 0.645 | 91 | 10 | 11 | 1407.0 | 1263 | 73 | 445 | 557 | 8.08 | 2.85 | 3.56 |
| LAD | 3.50 | 88 | 65 | 0.564 | 65 | 17 | 14 | 1433.0 | 1366 | 101 | 393 | 639 | 8.58 | 2.47 | 4.01 |
| CHC | 3.54 | 75 | 79 | 0.487 | 69 | 12 | 14 | 1392.0 | 1418 | 74 | 430 | 564 | 9.17 | 2.78 | 3.65 |
| SFG | 3.79 | 72 | 80 | 0.474 | 57 | 11 | 18 | 1360.0 | 1383 | 110 | 473 | 606 | 9.15 | 3.13 | 4.01 |
| STL | 3.83 | 84 | 69 | 0.538 | 71 | 10 | 14 | 1396.0 | 1457 | 83 | 488 | 550 | 9.39 | 3.15 | 3.55 |
| ATL | 4.36 | 65 | 87 | 0.428 | 76 | 9 | 12 | 1359.0 | 1444 | 83 | 573 | 435 | 9.56 | 3.79 | 2.88 |
| PIT | 4.36 | 78 | 76 | 0.500 | 49 | 8 | 24 | 1388.0 | 1569 | 72 | 492 | 491 | 10.17 | 3.19 | 3.18 |
| PHI | 4.40 | 50 | 103 | 0.327 | 66 | 5 | 8 | 1357.0 | 1429 | 92 | 475 | 485 | 9.48 | 3.15 | 3.22 |
1939 - American League
| 1939 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.31 | 106 | 45 | 0.697 | 87 | 15 | 26 | 1348.0 | 1208 | 85 | 567 | 565 | 8.07 | 3.79 | 3.77 |
| CLE | 4.08 | 87 | 67 | 0.565 | 69 | 10 | 13 | 1364.0 | 1394 | 75 | 602 | 614 | 9.20 | 3.97 | 4.05 |
| DET | 4.29 | 81 | 73 | 0.523 | 64 | 8 | 16 | 1367.0 | 1430 | 104 | 574 | 633 | 9.41 | 3.78 | 4.17 |
| CHW | 4.31 | 85 | 69 | 0.548 | 62 | 5 | 21 | 1377.0 | 1470 | 99 | 454 | 535 | 9.61 | 2.97 | 3.50 |
| BOS | 4.56 | 89 | 62 | 0.586 | 52 | 4 | 20 | 1350.0 | 1533 | 77 | 543 | 539 | 10.22 | 3.62 | 3.59 |
| MIN | 4.60 | 65 | 87 | 0.425 | 72 | 4 | 10 | 1354.0 | 1420 | 75 | 602 | 521 | 9.44 | 4.00 | 3.46 |
| OAK | 5.79 | 55 | 97 | 0.359 | 50 | 6 | 12 | 1342.0 | 1687 | 148 | 579 | 397 | 11.31 | 3.88 | 2.66 |
| BAL | 6.01 | 43 | 111 | 0.276 | 56 | 3 | 3 | 1371.0 | 1724 | 133 | 739 | 516 | 11.32 | 4.85 | 3.39 |
1939 - National League
| 1939 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CIN | 3.27 | 97 | 57 | 0.622 | 86 | 13 | 9 | 1403.0 | 1340 | 81 | 499 | 637 | 8.60 | 3.20 | 4.09 |
| STL | 3.59 | 92 | 61 | 0.594 | 45 | 18 | 32 | 1384.0 | 1377 | 76 | 498 | 603 | 8.95 | 3.24 | 3.92 |
| LAD | 3.64 | 84 | 69 | 0.535 | 69 | 9 | 13 | 1410.0 | 1431 | 93 | 399 | 528 | 9.13 | 2.55 | 3.37 |
| ATL | 3.71 | 63 | 88 | 0.414 | 68 | 11 | 15 | 1358.0 | 1400 | 63 | 513 | 430 | 9.28 | 3.40 | 2.85 |
| CHC | 3.80 | 84 | 70 | 0.538 | 72 | 8 | 13 | 1392.0 | 1504 | 74 | 430 | 584 | 9.72 | 2.78 | 3.78 |
| SFG | 4.07 | 77 | 74 | 0.510 | 55 | 6 | 20 | 1319.0 | 1412 | 86 | 477 | 505 | 9.63 | 3.25 | 3.45 |
| PIT | 4.15 | 68 | 85 | 0.444 | 53 | 10 | 15 | 1354.0 | 1537 | 70 | 423 | 464 | 10.22 | 2.81 | 3.08 |
| PHI | 5.17 | 45 | 106 | 0.296 | 67 | 3 | 12 | 1326.0 | 1502 | 106 | 579 | 447 | 10.19 | 3.93 | 3.03 |
1938 - American League
| 1938 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.91 | 99 | 53 | 0.631 | 91 | 11 | 13 | 1382.0 | 1436 | 85 | 566 | 567 | 9.35 | 3.69 | 3.69 |
| CHW | 4.36 | 65 | 83 | 0.436 | 83 | 5 | 9 | 1316.0 | 1449 | 101 | 550 | 432 | 9.91 | 3.76 | 2.95 |
| BOS | 4.46 | 88 | 61 | 0.587 | 67 | 10 | 15 | 1316.0 | 1472 | 102 | 528 | 484 | 10.07 | 3.61 | 3.31 |
| CLE | 4.60 | 86 | 66 | 0.562 | 68 | 5 | 17 | 1353.0 | 1416 | 100 | 681 | 717 | 9.42 | 4.53 | 4.77 |
| DET | 4.79 | 84 | 70 | 0.542 | 75 | 3 | 11 | 1348.0 | 1532 | 110 | 608 | 435 | 10.23 | 4.06 | 2.90 |
| MIN | 4.94 | 75 | 76 | 0.493 | 59 | 6 | 11 | 1360.0 | 1472 | 92 | 655 | 515 | 9.74 | 4.33 | 3.41 |
| OAK | 5.48 | 53 | 99 | 0.344 | 56 | 4 | 12 | 1324.0 | 1573 | 142 | 599 | 473 | 10.69 | 4.07 | 3.22 |
| BAL | 5.80 | 55 | 97 | 0.353 | 71 | 3 | 7 | 1344.0 | 1584 | 132 | 737 | 632 | 10.61 | 4.94 | 4.23 |
1938 - National League
| 1938 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 3.37 | 89 | 63 | 0.578 | 67 | 16 | 18 | 1396.0 | 1414 | 71 | 454 | 583 | 9.12 | 2.93 | 3.76 |
| ATL | 3.40 | 77 | 75 | 0.503 | 83 | 15 | 12 | 1380.0 | 1375 | 66 | 465 | 413 | 8.97 | 3.03 | 2.69 |
| PIT | 3.46 | 86 | 64 | 0.566 | 57 | 8 | 15 | 1379.0 | 1406 | 71 | 432 | 557 | 9.18 | 2.82 | 3.64 |
| CIN | 3.62 | 82 | 68 | 0.543 | 72 | 11 | 16 | 1362.0 | 1329 | 75 | 463 | 542 | 8.78 | 3.06 | 3.58 |
| SFG | 3.62 | 83 | 67 | 0.546 | 59 | 8 | 18 | 1349.0 | 1370 | 87 | 389 | 497 | 9.14 | 2.60 | 3.32 |
| STL | 3.84 | 71 | 80 | 0.455 | 58 | 10 | 16 | 1384.0 | 1482 | 77 | 474 | 534 | 9.64 | 3.08 | 3.47 |
| LAD | 4.07 | 69 | 80 | 0.457 | 56 | 12 | 14 | 1332.0 | 1464 | 88 | 446 | 469 | 9.89 | 3.01 | 3.17 |
| PHI | 4.93 | 45 | 105 | 0.298 | 68 | 3 | 6 | 1329.0 | 1516 | 76 | 582 | 492 | 10.27 | 3.94 | 3.33 |
1937 - American League
| 1937 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.65 | 102 | 52 | 0.650 | 82 | 15 | 21 | 1396.0 | 1417 | 92 | 506 | 652 | 9.14 | 3.26 | 4.20 |
| CHW | 4.17 | 86 | 68 | 0.558 | 70 | 15 | 21 | 1351.0 | 1435 | 115 | 532 | 533 | 9.56 | 3.54 | 3.55 |
| CLE | 4.39 | 83 | 71 | 0.532 | 64 | 4 | 15 | 1364.0 | 1529 | 61 | 566 | 630 | 10.09 | 3.73 | 4.16 |
| BOS | 4.48 | 80 | 72 | 0.519 | 74 | 6 | 14 | 1366.0 | 1518 | 92 | 597 | 682 | 10.00 | 3.93 | 4.49 |
| MIN | 4.58 | 73 | 80 | 0.462 | 75 | 5 | 14 | 1398.0 | 1498 | 96 | 671 | 524 | 9.64 | 4.32 | 3.37 |
| OAK | 4.85 | 54 | 97 | 0.351 | 65 | 6 | 9 | 1335.0 | 1490 | 105 | 613 | 469 | 10.04 | 4.13 | 3.16 |
| DET | 4.87 | 89 | 65 | 0.574 | 70 | 6 | 11 | 1378.0 | 1521 | 102 | 635 | 485 | 9.93 | 4.15 | 3.17 |
| BAL | 6.00 | 46 | 108 | 0.295 | 55 | 2 | 8 | 1363.0 | 1768 | 143 | 653 | 468 | 11.67 | 4.31 | 3.09 |
1937 - National League
| 1937 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| ATL | 3.22 | 79 | 73 | 0.520 | 85 | 16 | 10 | 1359.0 | 1344 | 60 | 372 | 387 | 8.90 | 2.46 | 2.56 |
| SFG | 3.43 | 95 | 57 | 0.625 | 67 | 11 | 17 | 1361.0 | 1341 | 85 | 404 | 653 | 8.87 | 2.67 | 4.32 |
| PIT | 3.56 | 86 | 68 | 0.558 | 67 | 12 | 17 | 1366.0 | 1398 | 71 | 428 | 643 | 9.21 | 2.82 | 4.24 |
| CIN | 3.94 | 56 | 98 | 0.361 | 64 | 10 | 18 | 1358.0 | 1428 | 38 | 533 | 581 | 9.46 | 3.53 | 3.85 |
| CHC | 3.97 | 93 | 61 | 0.604 | 73 | 11 | 13 | 1381.0 | 1434 | 91 | 502 | 596 | 9.35 | 3.27 | 3.88 |
| STL | 3.98 | 81 | 73 | 0.516 | 81 | 10 | 4 | 1392.0 | 1546 | 95 | 448 | 571 | 10.00 | 2.90 | 3.69 |
| LAD | 4.13 | 62 | 91 | 0.400 | 63 | 5 | 8 | 1362.0 | 1470 | 68 | 476 | 592 | 9.71 | 3.15 | 3.91 |
| PHI | 5.05 | 61 | 92 | 0.394 | 59 | 6 | 15 | 1373.0 | 1629 | 116 | 501 | 529 | 10.68 | 3.28 | 3.47 |
1936 - American League
| 1936 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 4.17 | 102 | 51 | 0.658 | 77 | 6 | 21 | 1400.0 | 1474 | 84 | 663 | 624 | 9.48 | 4.26 | 4.01 |
| BOS | 4.39 | 74 | 80 | 0.477 | 78 | 11 | 9 | 1372.0 | 1501 | 78 | 552 | 584 | 9.85 | 3.62 | 3.83 |
| MIN | 4.58 | 82 | 71 | 0.536 | 78 | 8 | 14 | 1345.0 | 1484 | 73 | 588 | 462 | 9.93 | 3.93 | 3.09 |
| CLE | 4.83 | 80 | 74 | 0.510 | 74 | 6 | 12 | 1389.0 | 1604 | 73 | 607 | 619 | 10.39 | 3.93 | 4.01 |
| DET | 5.00 | 83 | 71 | 0.539 | 76 | 13 | 13 | 1360.0 | 1568 | 100 | 562 | 526 | 10.38 | 3.72 | 3.48 |
| CHW | 5.06 | 81 | 70 | 0.529 | 80 | 5 | 8 | 1365.0 | 1603 | 104 | 578 | 414 | 10.57 | 3.81 | 2.73 |
| OAK | 6.08 | 53 | 100 | 0.344 | 68 | 3 | 12 | 1352.0 | 1645 | 131 | 696 | 405 | 10.95 | 4.63 | 2.70 |
| BAL | 6.24 | 57 | 95 | 0.368 | 54 | 3 | 13 | 1348.0 | 1776 | 115 | 609 | 399 | 11.86 | 4.07 | 2.66 |
1936 - National League
| 1936 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.46 | 92 | 62 | 0.597 | 60 | 12 | 22 | 1385.0 | 1458 | 75 | 401 | 500 | 9.47 | 2.61 | 3.25 |
| CHC | 3.54 | 87 | 67 | 0.565 | 77 | 18 | 10 | 1382.0 | 1413 | 77 | 434 | 597 | 9.20 | 2.83 | 3.89 |
| PIT | 3.89 | 84 | 70 | 0.538 | 67 | 5 | 12 | 1395.0 | 1475 | 74 | 379 | 559 | 9.52 | 2.45 | 3.61 |
| ATL | 3.94 | 71 | 83 | 0.452 | 61 | 7 | 13 | 1413.0 | 1566 | 69 | 451 | 421 | 9.97 | 2.87 | 2.68 |
| LAD | 3.98 | 67 | 87 | 0.429 | 59 | 7 | 18 | 1403.0 | 1466 | 84 | 528 | 651 | 9.40 | 3.39 | 4.18 |
| CIN | 4.22 | 74 | 80 | 0.481 | 50 | 6 | 23 | 1367.0 | 1576 | 51 | 418 | 459 | 10.38 | 2.75 | 3.02 |
| STL | 4.47 | 87 | 67 | 0.561 | 65 | 5 | 24 | 1398.0 | 1610 | 89 | 434 | 559 | 10.36 | 2.79 | 3.60 |
| PHI | 4.64 | 54 | 100 | 0.351 | 51 | 7 | 14 | 1365.0 | 1630 | 87 | 515 | 454 | 10.75 | 3.40 | 2.99 |
1935 - American League
| 1935 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.60 | 89 | 60 | 0.597 | 76 | 12 | 13 | 1331.0 | 1276 | 91 | 516 | 594 | 8.63 | 3.49 | 4.02 |
| DET | 3.82 | 93 | 58 | 0.612 | 87 | 16 | 11 | 1364.0 | 1440 | 78 | 522 | 584 | 9.50 | 3.44 | 3.85 |
| BOS | 4.05 | 78 | 75 | 0.506 | 82 | 6 | 11 | 1376.0 | 1520 | 67 | 520 | 470 | 9.94 | 3.40 | 3.07 |
| CLE | 4.15 | 82 | 71 | 0.526 | 67 | 12 | 21 | 1396.0 | 1527 | 68 | 457 | 498 | 9.84 | 2.95 | 3.21 |
| CHW | 4.38 | 74 | 78 | 0.484 | 80 | 8 | 8 | 1360.0 | 1443 | 105 | 574 | 436 | 9.55 | 3.80 | 2.89 |
| OAK | 5.12 | 58 | 91 | 0.389 | 58 | 7 | 10 | 1326.0 | 1486 | 73 | 704 | 469 | 10.09 | 4.78 | 3.18 |
| MIN | 5.25 | 67 | 86 | 0.435 | 67 | 5 | 12 | 1378.0 | 1672 | 89 | 613 | 456 | 10.92 | 4.00 | 2.98 |
| BAL | 5.26 | 65 | 87 | 0.419 | 42 | 4 | 15 | 1380.0 | 1667 | 92 | 641 | 435 | 10.87 | 4.18 | 2.84 |
1935 - National League
| 1935 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 3.26 | 100 | 54 | 0.649 | 81 | 12 | 14 | 1394.0 | 1417 | 85 | 400 | 589 | 9.15 | 2.58 | 3.80 |
| PIT | 3.42 | 86 | 67 | 0.562 | 76 | 15 | 11 | 1365.0 | 1428 | 63 | 312 | 549 | 9.42 | 2.06 | 3.62 |
| STL | 3.52 | 96 | 58 | 0.623 | 73 | 10 | 18 | 1384.0 | 1445 | 68 | 377 | 602 | 9.40 | 2.45 | 3.91 |
| SFG | 3.78 | 91 | 62 | 0.583 | 76 | 10 | 11 | 1403.0 | 1433 | 106 | 411 | 524 | 9.19 | 2.64 | 3.36 |
| LAD | 4.22 | 70 | 83 | 0.455 | 62 | 11 | 20 | 1358.0 | 1519 | 88 | 436 | 480 | 10.07 | 2.89 | 3.18 |
| CIN | 4.30 | 68 | 85 | 0.442 | 59 | 9 | 13 | 1356.0 | 1490 | 65 | 438 | 500 | 9.89 | 2.91 | 3.32 |
| PHI | 4.76 | 64 | 89 | 0.410 | 53 | 8 | 15 | 1374.0 | 1652 | 106 | 505 | 475 | 10.82 | 3.31 | 3.11 |
| ATL | 4.93 | 38 | 115 | 0.248 | 54 | 6 | 5 | 1330.0 | 1645 | 81 | 404 | 355 | 11.13 | 2.73 | 2.40 |
1934 - American League
| 1934 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.76 | 94 | 60 | 0.610 | 83 | 13 | 10 | 1382.0 | 1349 | 71 | 542 | 656 | 8.79 | 3.53 | 4.27 |
| DET | 4.06 | 101 | 53 | 0.656 | 74 | 13 | 14 | 1370.0 | 1467 | 86 | 488 | 640 | 9.64 | 3.21 | 4.20 |
| CLE | 4.28 | 85 | 69 | 0.552 | 72 | 8 | 19 | 1367.0 | 1476 | 70 | 582 | 554 | 9.72 | 3.83 | 3.65 |
| BOS | 4.32 | 76 | 76 | 0.497 | 68 | 9 | 9 | 1361.0 | 1527 | 70 | 543 | 538 | 10.10 | 3.59 | 3.56 |
| BAL | 4.49 | 67 | 85 | 0.435 | 50 | 6 | 20 | 1350.0 | 1499 | 94 | 632 | 499 | 9.99 | 4.21 | 3.33 |
| MIN | 4.68 | 66 | 86 | 0.426 | 61 | 4 | 12 | 1381.0 | 1622 | 74 | 503 | 412 | 10.57 | 3.28 | 2.69 |
| OAK | 5.01 | 68 | 82 | 0.444 | 68 | 8 | 8 | 1337.0 | 1429 | 84 | 693 | 480 | 9.62 | 4.66 | 3.23 |
| CHW | 5.41 | 53 | 99 | 0.346 | 72 | 5 | 8 | 1355.0 | 1599 | 139 | 628 | 506 | 10.62 | 4.17 | 3.36 |
1934 - National League
| 1934 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.19 | 93 | 60 | 0.608 | 68 | 13 | 30 | 1370.0 | 1384 | 75 | 351 | 499 | 9.09 | 2.31 | 3.28 |
| STL | 3.69 | 95 | 58 | 0.617 | 78 | 15 | 16 | 1386.0 | 1463 | 77 | 411 | 689 | 9.50 | 2.67 | 4.47 |
| CHC | 3.76 | 86 | 65 | 0.566 | 73 | 11 | 9 | 1361.0 | 1432 | 80 | 417 | 633 | 9.47 | 2.76 | 4.19 |
| ATL | 4.11 | 78 | 73 | 0.513 | 62 | 12 | 20 | 1359.0 | 1512 | 78 | 405 | 462 | 10.01 | 2.68 | 3.06 |
| PIT | 4.20 | 74 | 76 | 0.490 | 63 | 8 | 8 | 1329.0 | 1523 | 78 | 354 | 487 | 10.31 | 2.40 | 3.30 |
| CIN | 4.37 | 52 | 99 | 0.342 | 51 | 3 | 19 | 1347.0 | 1645 | 61 | 389 | 438 | 10.99 | 2.60 | 2.93 |
| LAD | 4.48 | 71 | 81 | 0.464 | 66 | 6 | 12 | 1354.0 | 1540 | 81 | 475 | 520 | 10.24 | 3.16 | 3.46 |
| PHI | 4.76 | 56 | 93 | 0.376 | 52 | 8 | 15 | 1297.0 | 1501 | 126 | 437 | 416 | 10.42 | 3.03 | 2.89 |
1933 - American League
| 1933 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 3.71 | 75 | 76 | 0.497 | 74 | 12 | 7 | 1350.0 | 1382 | 60 | 465 | 437 | 9.21 | 3.10 | 2.91 |
| MIN | 3.82 | 99 | 53 | 0.647 | 68 | 5 | 26 | 1389.0 | 1415 | 64 | 452 | 447 | 9.17 | 2.93 | 2.90 |
| DET | 3.95 | 75 | 79 | 0.484 | 69 | 6 | 17 | 1398.0 | 1415 | 84 | 561 | 575 | 9.11 | 3.61 | 3.70 |
| BOS | 4.35 | 63 | 86 | 0.423 | 60 | 4 | 14 | 1327.0 | 1396 | 75 | 591 | 467 | 9.47 | 4.01 | 3.17 |
| NYY | 4.36 | 91 | 59 | 0.599 | 70 | 8 | 22 | 1354.0 | 1426 | 66 | 612 | 711 | 9.48 | 4.07 | 4.73 |
| CHW | 4.45 | 67 | 83 | 0.444 | 53 | 8 | 13 | 1371.0 | 1505 | 85 | 519 | 423 | 9.88 | 3.41 | 2.78 |
| OAK | 4.81 | 79 | 72 | 0.520 | 69 | 6 | 14 | 1343.0 | 1523 | 77 | 644 | 423 | 10.21 | 4.32 | 2.83 |
| BAL | 4.82 | 55 | 96 | 0.359 | 55 | 7 | 10 | 1360.0 | 1574 | 96 | 531 | 426 | 10.42 | 3.51 | 2.82 |
1933 - National League
| 1933 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 2.71 | 91 | 61 | 0.583 | 75 | 23 | 15 | 1408.0 | 1280 | 61 | 400 | 555 | 8.18 | 2.56 | 3.55 |
| CHC | 2.93 | 86 | 68 | 0.558 | 95 | 16 | 9 | 1362.0 | 1316 | 51 | 413 | 488 | 8.70 | 2.73 | 3.22 |
| ATL | 2.96 | 83 | 71 | 0.532 | 85 | 15 | 16 | 1403.0 | 1391 | 54 | 355 | 383 | 8.92 | 2.28 | 2.46 |
| PIT | 3.27 | 87 | 67 | 0.565 | 70 | 16 | 12 | 1373.0 | 1417 | 54 | 313 | 401 | 9.29 | 2.05 | 2.63 |
| STL | 3.37 | 82 | 71 | 0.532 | 73 | 11 | 16 | 1382.0 | 1391 | 55 | 452 | 635 | 9.06 | 2.94 | 4.14 |
| CIN | 3.42 | 58 | 94 | 0.379 | 74 | 13 | 8 | 1352.0 | 1470 | 47 | 257 | 310 | 9.79 | 1.71 | 2.06 |
| LAD | 3.73 | 65 | 88 | 0.414 | 71 | 9 | 10 | 1386.0 | 1502 | 51 | 374 | 415 | 9.75 | 2.43 | 2.69 |
| PHI | 4.34 | 60 | 92 | 0.395 | 52 | 10 | 13 | 1336.0 | 1563 | 87 | 410 | 341 | 10.53 | 2.76 | 2.30 |
1932 - American League
| 1932 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.98 | 107 | 47 | 0.686 | 96 | 11 | 15 | 1408.0 | 1425 | 93 | 561 | 780 | 9.11 | 3.59 | 4.99 |
| CLE | 4.12 | 87 | 65 | 0.569 | 94 | 6 | 8 | 1377.0 | 1506 | 70 | 446 | 439 | 9.84 | 2.92 | 2.87 |
| MIN | 4.16 | 93 | 61 | 0.604 | 66 | 11 | 22 | 1383.0 | 1463 | 73 | 526 | 437 | 9.52 | 3.42 | 2.84 |
| DET | 4.30 | 76 | 75 | 0.497 | 67 | 9 | 17 | 1362.0 | 1421 | 89 | 592 | 521 | 9.39 | 3.91 | 3.44 |
| OAK | 4.45 | 94 | 60 | 0.610 | 95 | 10 | 10 | 1386.0 | 1477 | 112 | 511 | 595 | 9.59 | 3.32 | 3.86 |
| CHW | 4.82 | 49 | 102 | 0.322 | 50 | 2 | 12 | 1348.0 | 1551 | 88 | 580 | 379 | 10.36 | 3.87 | 2.53 |
| BAL | 5.01 | 63 | 91 | 0.409 | 63 | 7 | 11 | 1376.0 | 1592 | 103 | 574 | 496 | 10.41 | 3.75 | 3.24 |
| BOS | 5.02 | 43 | 111 | 0.279 | 42 | 3 | 7 | 1362.0 | 1574 | 79 | 612 | 365 | 10.40 | 4.04 | 2.41 |
1932 - National League
| 1932 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 3.44 | 90 | 64 | 0.584 | 79 | 9 | 7 | 1401.0 | 1444 | 68 | 409 | 527 | 9.28 | 2.63 | 3.39 |
| ATL | 3.53 | 77 | 77 | 0.497 | 72 | 8 | 8 | 1414.0 | 1483 | 61 | 420 | 440 | 9.44 | 2.67 | 2.80 |
| PIT | 3.75 | 86 | 68 | 0.558 | 71 | 12 | 12 | 1377.0 | 1472 | 86 | 338 | 377 | 9.62 | 2.21 | 2.46 |
| CIN | 3.79 | 60 | 94 | 0.387 | 83 | 6 | 6 | 1394.0 | 1505 | 69 | 276 | 359 | 9.72 | 1.78 | 2.32 |
| SFG | 3.83 | 72 | 82 | 0.468 | 57 | 3 | 16 | 1375.0 | 1533 | 112 | 387 | 506 | 10.03 | 2.53 | 3.31 |
| STL | 3.97 | 72 | 82 | 0.462 | 70 | 13 | 9 | 1396.0 | 1533 | 76 | 455 | 681 | 9.88 | 2.93 | 4.39 |
| LAD | 4.27 | 81 | 73 | 0.526 | 61 | 7 | 16 | 1379.0 | 1538 | 72 | 403 | 497 | 10.04 | 2.63 | 3.24 |
| PHI | 4.47 | 78 | 76 | 0.506 | 59 | 4 | 17 | 1384.0 | 1589 | 107 | 450 | 459 | 10.33 | 2.93 | 2.98 |
1931 - American League
| 1931 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.47 | 107 | 45 | 0.699 | 97 | 12 | 16 | 1365.0 | 1342 | 73 | 457 | 574 | 8.85 | 3.01 | 3.78 |
| MIN | 3.76 | 92 | 62 | 0.590 | 60 | 7 | 24 | 1394.0 | 1434 | 73 | 498 | 582 | 9.26 | 3.22 | 3.76 |
| NYY | 4.20 | 94 | 59 | 0.606 | 78 | 4 | 17 | 1410.0 | 1461 | 67 | 543 | 686 | 9.33 | 3.47 | 4.38 |
| DET | 4.59 | 61 | 93 | 0.396 | 86 | 5 | 6 | 1384.0 | 1549 | 79 | 597 | 511 | 10.07 | 3.88 | 3.32 |
| BOS | 4.60 | 62 | 90 | 0.405 | 61 | 5 | 10 | 1366.0 | 1559 | 54 | 473 | 365 | 10.27 | 3.12 | 2.40 |
| CLE | 4.63 | 78 | 76 | 0.503 | 76 | 6 | 9 | 1354.0 | 1577 | 64 | 561 | 470 | 10.48 | 3.73 | 3.12 |
| BAL | 4.76 | 63 | 91 | 0.409 | 65 | 4 | 10 | 1362.0 | 1623 | 84 | 444 | 436 | 10.72 | 2.93 | 2.88 |
| CHW | 5.04 | 56 | 97 | 0.359 | 54 | 6 | 10 | 1390.0 | 1613 | 82 | 588 | 421 | 10.44 | 3.81 | 2.73 |
1931 - National League
| 1931 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.30 | 87 | 65 | 0.569 | 90 | 17 | 12 | 1360.0 | 1341 | 71 | 422 | 570 | 8.87 | 2.79 | 3.77 |
| STL | 3.45 | 101 | 53 | 0.656 | 80 | 17 | 20 | 1384.0 | 1470 | 65 | 449 | 626 | 9.56 | 2.92 | 4.07 |
| PIT | 3.66 | 75 | 79 | 0.484 | 89 | 9 | 5 | 1390.0 | 1489 | 55 | 442 | 345 | 9.64 | 2.86 | 2.23 |
| LAD | 3.84 | 79 | 73 | 0.516 | 64 | 9 | 18 | 1356.0 | 1520 | 56 | 351 | 546 | 10.09 | 2.33 | 3.62 |
| ATL | 3.90 | 64 | 90 | 0.410 | 78 | 12 | 9 | 1380.0 | 1465 | 66 | 406 | 419 | 9.55 | 2.65 | 2.73 |
| CHC | 3.97 | 84 | 70 | 0.538 | 80 | 8 | 8 | 1385.0 | 1448 | 54 | 524 | 541 | 9.41 | 3.41 | 3.52 |
| CIN | 4.22 | 58 | 96 | 0.377 | 70 | 7 | 6 | 1345.0 | 1545 | 51 | 399 | 317 | 10.34 | 2.67 | 2.12 |
| PHI | 4.58 | 66 | 88 | 0.426 | 60 | 6 | 16 | 1360.0 | 1603 | 75 | 511 | 499 | 10.61 | 3.38 | 3.30 |
1930 - American League
| 1930 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 3.96 | 94 | 60 | 0.610 | 78 | 6 | 14 | 1369.0 | 1367 | 52 | 504 | 524 | 8.99 | 3.31 | 3.44 |
| OAK | 4.28 | 102 | 52 | 0.662 | 72 | 8 | 21 | 1371.0 | 1457 | 84 | 488 | 672 | 9.56 | 3.20 | 4.41 |
| BOS | 4.68 | 52 | 102 | 0.338 | 78 | 4 | 5 | 1360.0 | 1515 | 75 | 488 | 356 | 10.03 | 3.23 | 2.36 |
| DET | 4.70 | 75 | 79 | 0.487 | 68 | 4 | 17 | 1351.0 | 1507 | 86 | 570 | 574 | 10.04 | 3.80 | 3.82 |
| CHW | 4.71 | 62 | 92 | 0.403 | 63 | 2 | 10 | 1361.0 | 1629 | 74 | 407 | 471 | 10.77 | 2.69 | 3.11 |
| CLE | 4.88 | 81 | 73 | 0.526 | 68 | 5 | 14 | 1360.0 | 1663 | 85 | 528 | 441 | 11.01 | 3.49 | 2.92 |
| NYY | 4.88 | 86 | 68 | 0.558 | 65 | 7 | 15 | 1367.0 | 1566 | 93 | 524 | 572 | 10.31 | 3.45 | 3.77 |
| BAL | 5.07 | 64 | 90 | 0.416 | 68 | 5 | 10 | 1371.0 | 1639 | 124 | 449 | 470 | 10.76 | 2.95 | 3.09 |
1930 - National League
| 1930 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 4.03 | 86 | 68 | 0.558 | 74 | 13 | 15 | 1372.0 | 1480 | 115 | 394 | 526 | 9.71 | 2.58 | 3.45 |
| STL | 4.39 | 92 | 62 | 0.597 | 63 | 5 | 21 | 1380.0 | 1596 | 87 | 476 | 639 | 10.41 | 3.10 | 4.17 |
| SFG | 4.61 | 87 | 67 | 0.565 | 64 | 6 | 19 | 1363.0 | 1546 | 117 | 439 | 522 | 10.21 | 2.90 | 3.45 |
| CHC | 4.80 | 90 | 64 | 0.577 | 67 | 6 | 12 | 1403.0 | 1642 | 111 | 528 | 601 | 10.53 | 3.39 | 3.86 |
| ATL | 4.91 | 70 | 84 | 0.455 | 71 | 6 | 11 | 1361.0 | 1624 | 117 | 475 | 424 | 10.74 | 3.14 | 2.80 |
| CIN | 5.08 | 59 | 95 | 0.383 | 61 | 6 | 11 | 1335.0 | 1650 | 75 | 394 | 361 | 11.12 | 2.66 | 2.43 |
| PIT | 5.24 | 80 | 74 | 0.519 | 80 | 7 | 13 | 1361.0 | 1730 | 128 | 438 | 393 | 11.44 | 2.90 | 2.60 |
| PHI | 6.71 | 52 | 102 | 0.333 | 54 | 3 | 7 | 1372.0 | 1993 | 142 | 543 | 384 | 13.07 | 3.56 | 2.52 |
1929 - American League
| 1929 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.44 | 104 | 46 | 0.689 | 70 | 9 | 24 | 1357.0 | 1371 | 73 | 487 | 573 | 9.09 | 3.23 | 3.80 |
| CLE | 4.05 | 81 | 71 | 0.533 | 80 | 8 | 10 | 1352.0 | 1570 | 56 | 488 | 389 | 10.45 | 3.25 | 2.59 |
| BAL | 4.08 | 79 | 73 | 0.513 | 83 | 15 | 10 | 1371.0 | 1469 | 100 | 462 | 415 | 9.64 | 3.03 | 2.72 |
| NYY | 4.19 | 88 | 66 | 0.571 | 64 | 12 | 18 | 1366.0 | 1475 | 83 | 485 | 484 | 9.72 | 3.20 | 3.19 |
| MIN | 4.34 | 71 | 81 | 0.464 | 62 | 3 | 17 | 1354.0 | 1429 | 48 | 496 | 494 | 9.50 | 3.30 | 3.28 |
| CHW | 4.41 | 59 | 93 | 0.388 | 78 | 5 | 7 | 1357.0 | 1481 | 84 | 505 | 328 | 9.82 | 3.35 | 2.18 |
| BOS | 4.43 | 58 | 96 | 0.374 | 84 | 9 | 5 | 1366.0 | 1537 | 78 | 496 | 416 | 10.13 | 3.27 | 2.74 |
| DET | 4.96 | 70 | 84 | 0.452 | 82 | 5 | 9 | 1390.0 | 1641 | 73 | 646 | 467 | 10.63 | 4.18 | 3.02 |
1929 - National League
| 1929 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.97 | 84 | 67 | 0.553 | 68 | 9 | 13 | 1372.0 | 1536 | 102 | 387 | 431 | 10.08 | 2.54 | 2.83 |
| CHC | 4.16 | 98 | 54 | 0.628 | 79 | 14 | 21 | 1398.0 | 1542 | 77 | 537 | 548 | 9.93 | 3.46 | 3.53 |
| PIT | 4.36 | 88 | 65 | 0.571 | 79 | 5 | 13 | 1379.0 | 1530 | 96 | 439 | 409 | 9.99 | 2.87 | 2.67 |
| CIN | 4.41 | 66 | 88 | 0.426 | 75 | 5 | 8 | 1369.0 | 1558 | 61 | 413 | 347 | 10.24 | 2.72 | 2.28 |
| STL | 4.66 | 78 | 74 | 0.506 | 83 | 6 | 8 | 1359.0 | 1604 | 101 | 474 | 453 | 10.62 | 3.14 | 3.00 |
| LAD | 4.92 | 70 | 83 | 0.458 | 59 | 8 | 16 | 1358.0 | 1553 | 92 | 549 | 549 | 10.29 | 3.64 | 3.64 |
| ATL | 5.12 | 56 | 98 | 0.364 | 78 | 4 | 12 | 1352.0 | 1604 | 103 | 530 | 366 | 10.68 | 3.53 | 2.44 |
| PHI | 6.13 | 71 | 82 | 0.461 | 45 | 5 | 24 | 1348.0 | 1743 | 122 | 616 | 369 | 11.64 | 4.11 | 2.46 |
1928 - American League
| 1928 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.36 | 98 | 55 | 0.641 | 81 | 15 | 16 | 1367.0 | 1349 | 66 | 424 | 607 | 8.88 | 2.79 | 4.00 |
| NYY | 3.74 | 101 | 53 | 0.656 | 82 | 13 | 21 | 1375.0 | 1466 | 59 | 452 | 487 | 9.60 | 2.96 | 3.19 |
| MIN | 3.88 | 75 | 79 | 0.484 | 77 | 15 | 10 | 1384.0 | 1420 | 40 | 466 | 462 | 9.23 | 3.03 | 3.00 |
| CHW | 3.98 | 72 | 82 | 0.465 | 88 | 6 | 11 | 1378.0 | 1518 | 66 | 501 | 418 | 9.91 | 3.27 | 2.73 |
| BAL | 4.17 | 82 | 72 | 0.532 | 80 | 6 | 15 | 1374.0 | 1487 | 93 | 454 | 456 | 9.74 | 2.97 | 2.99 |
| DET | 4.32 | 68 | 86 | 0.442 | 65 | 5 | 16 | 1372.0 | 1481 | 58 | 567 | 451 | 9.72 | 3.72 | 2.96 |
| BOS | 4.39 | 57 | 96 | 0.370 | 70 | 5 | 9 | 1352.0 | 1492 | 49 | 452 | 407 | 9.93 | 3.01 | 2.71 |
| CLE | 4.47 | 62 | 92 | 0.400 | 71 | 4 | 15 | 1378.0 | 1615 | 52 | 511 | 416 | 10.55 | 3.34 | 2.72 |
1928 - National League
| 1928 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.25 | 77 | 76 | 0.497 | 75 | 16 | 15 | 1396.0 | 1378 | 59 | 468 | 551 | 8.88 | 3.02 | 3.55 |
| STL | 3.38 | 95 | 59 | 0.617 | 83 | 4 | 21 | 1415.0 | 1470 | 86 | 399 | 422 | 9.35 | 2.54 | 2.68 |
| CHC | 3.40 | 91 | 63 | 0.591 | 75 | 12 | 14 | 1380.0 | 1383 | 56 | 508 | 531 | 9.02 | 3.31 | 3.46 |
| SFG | 3.67 | 93 | 61 | 0.600 | 79 | 7 | 16 | 1394.0 | 1454 | 77 | 405 | 399 | 9.39 | 2.61 | 2.58 |
| CIN | 3.94 | 78 | 74 | 0.510 | 68 | 11 | 11 | 1371.0 | 1516 | 58 | 410 | 355 | 9.95 | 2.69 | 2.33 |
| PIT | 3.95 | 85 | 67 | 0.559 | 82 | 8 | 11 | 1354.0 | 1422 | 66 | 446 | 385 | 9.45 | 2.96 | 2.56 |
| ATL | 4.83 | 50 | 103 | 0.327 | 54 | 1 | 6 | 1360.0 | 1596 | 100 | 524 | 343 | 10.56 | 3.47 | 2.27 |
| PHI | 5.56 | 43 | 109 | 0.283 | 42 | 4 | 11 | 1352.0 | 1660 | 108 | 675 | 404 | 11.05 | 4.49 | 2.69 |
1927 - American League
| 1927 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.20 | 110 | 44 | 0.710 | 82 | 11 | 20 | 1389.0 | 1403 | 42 | 409 | 431 | 9.09 | 2.65 | 2.79 |
| CHW | 3.91 | 70 | 83 | 0.458 | 85 | 10 | 8 | 1367.0 | 1467 | 55 | 440 | 365 | 9.66 | 2.90 | 2.40 |
| OAK | 3.97 | 91 | 63 | 0.587 | 66 | 8 | 25 | 1384.0 | 1467 | 65 | 442 | 553 | 9.54 | 2.87 | 3.60 |
| MIN | 3.97 | 85 | 69 | 0.541 | 62 | 10 | 23 | 1402.0 | 1434 | 53 | 491 | 497 | 9.21 | 3.15 | 3.19 |
| DET | 4.14 | 82 | 71 | 0.526 | 75 | 5 | 17 | 1387.0 | 1542 | 52 | 577 | 421 | 10.01 | 3.74 | 2.73 |
| CLE | 4.27 | 66 | 87 | 0.431 | 72 | 5 | 8 | 1353.0 | 1542 | 37 | 508 | 366 | 10.26 | 3.38 | 2.43 |
| BOS | 4.72 | 51 | 103 | 0.331 | 63 | 6 | 7 | 1366.0 | 1603 | 56 | 558 | 381 | 10.56 | 3.68 | 2.51 |
| BAL | 4.95 | 59 | 94 | 0.381 | 80 | 4 | 8 | 1353.0 | 1592 | 79 | 604 | 385 | 10.59 | 4.02 | 2.56 |
1927 - National League
| 1927 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 3.36 | 65 | 88 | 0.422 | 74 | 7 | 10 | 1375.0 | 1382 | 63 | 418 | 574 | 9.05 | 2.74 | 3.76 |
| CIN | 3.54 | 75 | 78 | 0.490 | 87 | 12 | 12 | 1368.0 | 1472 | 36 | 316 | 407 | 9.68 | 2.08 | 2.68 |
| STL | 3.57 | 92 | 61 | 0.601 | 89 | 14 | 11 | 1367.0 | 1416 | 72 | 363 | 394 | 9.32 | 2.39 | 2.59 |
| CHC | 3.65 | 85 | 68 | 0.556 | 75 | 11 | 5 | 1385.0 | 1439 | 50 | 514 | 465 | 9.35 | 3.34 | 3.02 |
| PIT | 3.66 | 94 | 60 | 0.603 | 90 | 10 | 10 | 1385.0 | 1400 | 58 | 418 | 435 | 9.10 | 2.72 | 2.83 |
| SFG | 3.97 | 92 | 62 | 0.594 | 65 | 7 | 16 | 1381.0 | 1520 | 77 | 453 | 442 | 9.91 | 2.95 | 2.88 |
| ATL | 4.22 | 60 | 94 | 0.387 | 52 | 3 | 11 | 1390.0 | 1602 | 43 | 468 | 402 | 10.37 | 3.03 | 2.60 |
| PHI | 5.36 | 51 | 103 | 0.329 | 81 | 5 | 6 | 1355.0 | 1710 | 84 | 462 | 377 | 11.36 | 3.07 | 2.50 |
1926 - American League
| 1926 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 3.00 | 83 | 67 | 0.553 | 62 | 10 | 16 | 1346.0 | 1362 | 38 | 451 | 571 | 9.11 | 3.02 | 3.82 |
| CLE | 3.40 | 88 | 66 | 0.571 | 96 | 11 | 4 | 1374.0 | 1412 | 49 | 450 | 381 | 9.25 | 2.95 | 2.50 |
| CHW | 3.74 | 81 | 72 | 0.523 | 85 | 11 | 12 | 1380.0 | 1426 | 47 | 506 | 458 | 9.30 | 3.30 | 2.99 |
| NYY | 3.86 | 91 | 63 | 0.587 | 63 | 4 | 20 | 1372.0 | 1442 | 56 | 478 | 486 | 9.46 | 3.14 | 3.19 |
| MIN | 4.34 | 81 | 69 | 0.533 | 65 | 5 | 26 | 1348.0 | 1489 | 45 | 566 | 418 | 9.94 | 3.78 | 2.79 |
| DET | 4.41 | 79 | 75 | 0.503 | 57 | 10 | 18 | 1394.0 | 1570 | 58 | 555 | 469 | 10.14 | 3.58 | 3.03 |
| BAL | 4.66 | 62 | 92 | 0.400 | 64 | 5 | 9 | 1368.0 | 1549 | 86 | 654 | 337 | 10.19 | 4.30 | 2.22 |
| BOS | 4.72 | 46 | 107 | 0.299 | 53 | 6 | 5 | 1362.0 | 1520 | 45 | 546 | 336 | 10.04 | 3.61 | 2.22 |
1926 - National League
| 1926 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 3.26 | 82 | 72 | 0.529 | 77 | 13 | 14 | 1378.0 | 1407 | 39 | 486 | 508 | 9.19 | 3.17 | 3.32 |
| CIN | 3.42 | 87 | 67 | 0.554 | 88 | 14 | 8 | 1408.0 | 1449 | 40 | 324 | 424 | 9.26 | 2.07 | 2.71 |
| PIT | 3.67 | 84 | 69 | 0.535 | 83 | 12 | 18 | 1379.0 | 1422 | 50 | 455 | 387 | 9.28 | 2.97 | 2.53 |
| STL | 3.67 | 89 | 65 | 0.571 | 90 | 10 | 6 | 1398.0 | 1423 | 76 | 397 | 365 | 9.16 | 2.56 | 2.35 |
| SFG | 3.77 | 74 | 77 | 0.490 | 61 | 4 | 15 | 1341.0 | 1370 | 70 | 427 | 419 | 9.19 | 2.87 | 2.81 |
| LAD | 3.82 | 71 | 82 | 0.458 | 83 | 5 | 9 | 1361.0 | 1440 | 50 | 472 | 517 | 9.52 | 3.12 | 3.42 |
| ATL | 4.01 | 66 | 86 | 0.431 | 60 | 9 | 9 | 1365.0 | 1536 | 46 | 455 | 408 | 10.13 | 3.00 | 2.69 |
| PHI | 5.03 | 58 | 93 | 0.382 | 68 | 5 | 5 | 1334.0 | 1699 | 68 | 454 | 331 | 11.46 | 3.06 | 2.23 |
1925 - American League
| 1925 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 3.70 | 96 | 55 | 0.632 | 69 | 10 | 21 | 1358.0 | 1434 | 49 | 543 | 463 | 9.50 | 3.60 | 3.07 |
| OAK | 3.87 | 88 | 64 | 0.575 | 61 | 8 | 18 | 1381.0 | 1468 | 60 | 544 | 495 | 9.57 | 3.55 | 3.23 |
| CHW | 4.29 | 79 | 75 | 0.513 | 71 | 12 | 13 | 1385.0 | 1579 | 69 | 489 | 374 | 10.26 | 3.18 | 2.43 |
| NYY | 4.33 | 69 | 85 | 0.442 | 80 | 8 | 13 | 1387.0 | 1560 | 78 | 505 | 492 | 10.12 | 3.28 | 3.19 |
| CLE | 4.49 | 70 | 84 | 0.452 | 93 | 6 | 9 | 1372.0 | 1604 | 41 | 493 | 345 | 10.52 | 3.23 | 2.26 |
| DET | 4.61 | 81 | 73 | 0.519 | 66 | 2 | 18 | 1383.0 | 1582 | 70 | 556 | 419 | 10.30 | 3.62 | 2.73 |
| BAL | 4.92 | 82 | 71 | 0.532 | 67 | 7 | 10 | 1379.0 | 1588 | 99 | 675 | 419 | 10.36 | 4.41 | 2.73 |
| BOS | 4.97 | 47 | 105 | 0.309 | 68 | 6 | 6 | 1326.0 | 1615 | 67 | 510 | 310 | 10.96 | 3.46 | 2.10 |
1925 - National League
| 1925 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CIN | 3.38 | 80 | 73 | 0.523 | 92 | 11 | 12 | 1375.0 | 1447 | 35 | 324 | 437 | 9.47 | 2.12 | 2.86 |
| PIT | 3.87 | 95 | 58 | 0.621 | 77 | 2 | 13 | 1354.0 | 1526 | 81 | 387 | 386 | 10.14 | 2.57 | 2.57 |
| SFG | 3.94 | 86 | 66 | 0.566 | 80 | 6 | 8 | 1354.0 | 1532 | 73 | 408 | 446 | 10.18 | 2.71 | 2.96 |
| STL | 4.36 | 77 | 76 | 0.503 | 82 | 8 | 7 | 1335.0 | 1480 | 86 | 470 | 428 | 9.98 | 3.17 | 2.89 |
| ATL | 4.39 | 70 | 83 | 0.458 | 77 | 5 | 4 | 1366.0 | 1567 | 67 | 458 | 351 | 10.32 | 3.02 | 2.31 |
| CHC | 4.41 | 68 | 86 | 0.442 | 75 | 5 | 10 | 1370.0 | 1575 | 102 | 485 | 435 | 10.35 | 3.19 | 2.86 |
| LAD | 4.77 | 68 | 85 | 0.444 | 82 | 4 | 4 | 1350.0 | 1608 | 75 | 477 | 518 | 10.72 | 3.18 | 3.45 |
| PHI | 5.02 | 68 | 85 | 0.444 | 69 | 8 | 9 | 1350.0 | 1753 | 117 | 444 | 371 | 11.69 | 2.96 | 2.47 |
1924 - American League
| 1924 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 3.34 | 92 | 62 | 0.590 | 74 | 13 | 25 | 1383.0 | 1329 | 34 | 505 | 469 | 8.65 | 3.29 | 3.05 |
| NYY | 3.86 | 89 | 63 | 0.582 | 76 | 13 | 13 | 1359.0 | 1483 | 59 | 522 | 487 | 9.82 | 3.46 | 3.23 |
| DET | 4.19 | 86 | 68 | 0.551 | 60 | 5 | 20 | 1394.0 | 1586 | 55 | 467 | 441 | 10.24 | 3.02 | 2.85 |
| BOS | 4.35 | 67 | 87 | 0.427 | 73 | 8 | 16 | 1391.0 | 1563 | 43 | 523 | 414 | 10.11 | 3.38 | 2.68 |
| OAK | 4.39 | 71 | 81 | 0.467 | 68 | 8 | 10 | 1345.0 | 1527 | 43 | 597 | 371 | 10.22 | 3.99 | 2.48 |
| CLE | 4.40 | 67 | 86 | 0.438 | 87 | 7 | 7 | 1349.0 | 1603 | 43 | 503 | 315 | 10.69 | 3.36 | 2.10 |
| BAL | 4.57 | 74 | 78 | 0.484 | 65 | 11 | 7 | 1353.0 | 1511 | 68 | 517 | 386 | 10.05 | 3.44 | 2.57 |
| CHW | 4.74 | 66 | 87 | 0.429 | 76 | 1 | 11 | 1370.0 | 1635 | 52 | 512 | 360 | 10.74 | 3.36 | 2.36 |
1924 - National League
| 1924 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CIN | 3.12 | 83 | 70 | 0.542 | 77 | 14 | 9 | 1378.0 | 1408 | 30 | 293 | 451 | 9.20 | 1.91 | 2.95 |
| PIT | 3.27 | 90 | 63 | 0.588 | 85 | 15 | 5 | 1382.0 | 1387 | 42 | 323 | 364 | 9.03 | 2.10 | 2.37 |
| SFG | 3.62 | 93 | 60 | 0.604 | 71 | 4 | 21 | 1378.0 | 1464 | 77 | 392 | 406 | 9.56 | 2.56 | 2.65 |
| LAD | 3.64 | 92 | 62 | 0.597 | 97 | 10 | 5 | 1376.0 | 1432 | 58 | 403 | 638 | 9.37 | 2.64 | 4.17 |
| CHC | 3.83 | 81 | 72 | 0.526 | 85 | 4 | 6 | 1380.0 | 1459 | 89 | 438 | 416 | 9.52 | 2.86 | 2.71 |
| STL | 4.15 | 65 | 89 | 0.422 | 79 | 7 | 6 | 1364.0 | 1528 | 70 | 486 | 393 | 10.08 | 3.21 | 2.59 |
| ATL | 4.46 | 53 | 100 | 0.344 | 66 | 10 | 4 | 1379.0 | 1607 | 49 | 402 | 364 | 10.49 | 2.62 | 2.38 |
| PHI | 4.87 | 55 | 96 | 0.362 | 59 | 7 | 10 | 1354.0 | 1689 | 84 | 469 | 349 | 11.23 | 3.12 | 2.32 |
1923 - American League
| 1923 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.62 | 98 | 54 | 0.645 | 101 | 9 | 10 | 1380.0 | 1365 | 68 | 491 | 506 | 8.90 | 3.20 | 3.30 |
| CLE | 3.91 | 82 | 71 | 0.536 | 77 | 10 | 11 | 1376.0 | 1517 | 36 | 465 | 407 | 9.92 | 3.04 | 2.66 |
| BAL | 3.93 | 74 | 78 | 0.481 | 83 | 10 | 10 | 1373.0 | 1430 | 59 | 528 | 488 | 9.37 | 3.46 | 3.20 |
| MIN | 3.98 | 75 | 78 | 0.484 | 71 | 8 | 16 | 1374.0 | 1527 | 56 | 563 | 474 | 10.00 | 3.69 | 3.10 |
| CHW | 4.05 | 69 | 85 | 0.442 | 74 | 5 | 11 | 1397.0 | 1512 | 49 | 534 | 467 | 9.74 | 3.44 | 3.01 |
| OAK | 4.08 | 69 | 83 | 0.451 | 65 | 7 | 12 | 1364.0 | 1465 | 68 | 550 | 400 | 9.67 | 3.63 | 2.64 |
| DET | 4.09 | 83 | 71 | 0.535 | 61 | 9 | 12 | 1373.0 | 1502 | 58 | 449 | 447 | 9.85 | 2.94 | 2.93 |
| BOS | 4.20 | 61 | 91 | 0.396 | 77 | 3 | 11 | 1372.0 | 1534 | 48 | 520 | 412 | 10.06 | 3.41 | 2.70 |
1923 - National League
| 1923 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CIN | 3.21 | 91 | 63 | 0.591 | 88 | 11 | 9 | 1391.0 | 1465 | 28 | 359 | 450 | 9.48 | 2.32 | 2.91 |
| LAD | 3.74 | 76 | 78 | 0.490 | 94 | 8 | 5 | 1396.0 | 1503 | 55 | 476 | 548 | 9.69 | 3.07 | 3.53 |
| CHC | 3.82 | 83 | 71 | 0.539 | 80 | 8 | 11 | 1366.0 | 1419 | 86 | 435 | 408 | 9.35 | 2.87 | 2.69 |
| PIT | 3.87 | 87 | 67 | 0.565 | 92 | 5 | 9 | 1376.0 | 1513 | 53 | 402 | 414 | 9.90 | 2.63 | 2.71 |
| STL | 3.87 | 79 | 74 | 0.513 | 77 | 9 | 7 | 1398.0 | 1539 | 70 | 456 | 398 | 9.91 | 2.94 | 2.56 |
| SFG | 3.90 | 95 | 58 | 0.621 | 62 | 10 | 18 | 1378.0 | 1440 | 82 | 424 | 453 | 9.40 | 2.77 | 2.96 |
| ATL | 4.21 | 54 | 100 | 0.348 | 54 | 13 | 7 | 1392.0 | 1662 | 64 | 394 | 351 | 10.75 | 2.55 | 2.27 |
| PHI | 5.34 | 50 | 104 | 0.323 | 68 | 3 | 8 | 1376.0 | 1801 | 100 | 549 | 384 | 11.78 | 3.59 | 2.51 |
1922 - American League
| 1922 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BAL | 3.38 | 93 | 61 | 0.604 | 79 | 8 | 22 | 1392.0 | 1412 | 71 | 419 | 534 | 9.13 | 2.71 | 3.45 |
| NYY | 3.39 | 94 | 60 | 0.610 | 100 | 7 | 14 | 1393.0 | 1402 | 73 | 423 | 458 | 9.06 | 2.73 | 2.96 |
| MIN | 3.81 | 69 | 85 | 0.448 | 84 | 13 | 10 | 1362.0 | 1485 | 49 | 500 | 422 | 9.81 | 3.30 | 2.79 |
| CHW | 3.94 | 77 | 77 | 0.497 | 86 | 13 | 8 | 1403.0 | 1472 | 57 | 529 | 484 | 9.44 | 3.39 | 3.10 |
| DET | 4.27 | 79 | 75 | 0.510 | 67 | 7 | 15 | 1391.0 | 1554 | 62 | 473 | 461 | 10.05 | 3.06 | 2.98 |
| BOS | 4.30 | 61 | 93 | 0.396 | 71 | 10 | 6 | 1373.0 | 1508 | 48 | 503 | 359 | 9.88 | 3.30 | 2.35 |
| CLE | 4.59 | 78 | 76 | 0.503 | 76 | 14 | 7 | 1383.0 | 1605 | 58 | 464 | 489 | 10.44 | 3.02 | 3.18 |
| OAK | 4.59 | 65 | 89 | 0.419 | 73 | 4 | 6 | 1362.0 | 1573 | 107 | 469 | 373 | 10.39 | 3.10 | 2.46 |
1922 - National League
| 1922 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 3.45 | 93 | 61 | 0.596 | 76 | 7 | 15 | 1396.0 | 1454 | 71 | 393 | 388 | 9.37 | 2.53 | 2.50 |
| CIN | 3.53 | 86 | 68 | 0.551 | 88 | 8 | 3 | 1385.0 | 1481 | 49 | 326 | 357 | 9.62 | 2.12 | 2.32 |
| PIT | 3.98 | 85 | 69 | 0.548 | 88 | 15 | 7 | 1387.0 | 1613 | 52 | 358 | 490 | 10.47 | 2.32 | 3.18 |
| LAD | 4.05 | 76 | 78 | 0.490 | 82 | 12 | 8 | 1385.0 | 1574 | 74 | 490 | 499 | 10.23 | 3.18 | 3.24 |
| CHC | 4.34 | 80 | 74 | 0.513 | 74 | 8 | 12 | 1397.0 | 1579 | 77 | 475 | 402 | 10.17 | 3.06 | 2.59 |
| ATL | 4.37 | 53 | 100 | 0.344 | 63 | 7 | 6 | 1348.0 | 1565 | 57 | 489 | 360 | 10.45 | 3.26 | 2.40 |
| STL | 4.44 | 85 | 69 | 0.552 | 60 | 8 | 12 | 1362.0 | 1609 | 61 | 447 | 465 | 10.63 | 2.95 | 3.07 |
| PHI | 4.64 | 57 | 96 | 0.370 | 73 | 6 | 5 | 1372.0 | 1692 | 89 | 460 | 394 | 11.10 | 3.02 | 2.58 |
1921 - American League
| 1921 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.82 | 98 | 55 | 0.641 | 92 | 8 | 15 | 1364.0 | 1461 | 51 | 470 | 481 | 9.64 | 3.10 | 3.17 |
| CLE | 3.90 | 94 | 60 | 0.610 | 81 | 11 | 14 | 1377.0 | 1534 | 43 | 431 | 475 | 10.03 | 2.82 | 3.10 |
| MIN | 3.97 | 80 | 73 | 0.519 | 80 | 10 | 10 | 1383.0 | 1568 | 51 | 442 | 452 | 10.20 | 2.88 | 2.94 |
| BOS | 3.98 | 75 | 79 | 0.487 | 88 | 9 | 5 | 1364.0 | 1521 | 53 | 452 | 446 | 10.04 | 2.98 | 2.94 |
| DET | 4.40 | 71 | 82 | 0.461 | 73 | 4 | 16 | 1386.0 | 1634 | 71 | 495 | 452 | 10.61 | 3.21 | 2.94 |
| OAK | 4.61 | 53 | 100 | 0.342 | 75 | 2 | 7 | 1400.0 | 1645 | 85 | 548 | 431 | 10.58 | 3.52 | 2.77 |
| BAL | 4.61 | 81 | 73 | 0.526 | 77 | 9 | 9 | 1379.0 | 1541 | 71 | 556 | 477 | 10.06 | 3.63 | 3.11 |
| CHW | 4.94 | 62 | 92 | 0.403 | 84 | 7 | 9 | 1365.0 | 1603 | 52 | 549 | 392 | 10.57 | 3.62 | 2.58 |
1921 - National League
| 1921 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| PIT | 3.17 | 90 | 63 | 0.584 | 88 | 10 | 10 | 1415.0 | 1448 | 37 | 322 | 500 | 9.21 | 2.05 | 3.18 |
| CIN | 3.46 | 70 | 83 | 0.458 | 83 | 7 | 9 | 1363.0 | 1500 | 37 | 305 | 408 | 9.90 | 2.01 | 2.69 |
| SFG | 3.55 | 94 | 59 | 0.614 | 71 | 9 | 18 | 1372.0 | 1497 | 79 | 295 | 357 | 9.82 | 1.94 | 2.34 |
| STL | 3.62 | 87 | 66 | 0.565 | 70 | 10 | 16 | 1371.0 | 1486 | 61 | 399 | 464 | 9.75 | 2.62 | 3.05 |
| LAD | 3.70 | 77 | 75 | 0.507 | 82 | 8 | 12 | 1363.0 | 1556 | 46 | 361 | 471 | 10.27 | 2.38 | 3.11 |
| ATL | 3.90 | 79 | 74 | 0.516 | 74 | 11 | 12 | 1385.0 | 1488 | 54 | 420 | 382 | 9.67 | 2.73 | 2.48 |
| CHC | 4.39 | 64 | 89 | 0.418 | 73 | 7 | 7 | 1363.0 | 1605 | 67 | 409 | 441 | 10.60 | 2.70 | 2.91 |
| PHI | 4.48 | 51 | 103 | 0.331 | 82 | 5 | 8 | 1348.0 | 1665 | 79 | 371 | 333 | 11.12 | 2.48 | 2.22 |
1920 - American League
| 1920 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 3.32 | 95 | 59 | 0.617 | 88 | 15 | 11 | 1368.0 | 1414 | 48 | 420 | 480 | 9.30 | 2.76 | 3.16 |
| CLE | 3.41 | 98 | 56 | 0.636 | 94 | 11 | 7 | 1377.0 | 1448 | 31 | 401 | 466 | 9.46 | 2.62 | 3.05 |
| CHW | 3.59 | 96 | 58 | 0.623 | 109 | 9 | 10 | 1386.0 | 1467 | 45 | 405 | 438 | 9.53 | 2.63 | 2.84 |
| BOS | 3.82 | 72 | 81 | 0.468 | 92 | 11 | 6 | 1395.0 | 1481 | 39 | 461 | 481 | 9.55 | 2.97 | 3.10 |
| OAK | 3.93 | 48 | 106 | 0.308 | 79 | 6 | 2 | 1380.0 | 1612 | 56 | 461 | 423 | 10.51 | 3.01 | 2.76 |
| BAL | 4.03 | 76 | 77 | 0.494 | 84 | 9 | 14 | 1378.0 | 1481 | 53 | 578 | 444 | 9.67 | 3.78 | 2.90 |
| DET | 4.04 | 61 | 93 | 0.394 | 74 | 9 | 7 | 1385.0 | 1487 | 46 | 561 | 483 | 9.66 | 3.65 | 3.14 |
| MIN | 4.17 | 68 | 84 | 0.444 | 81 | 10 | 10 | 1367.0 | 1521 | 51 | 520 | 418 | 10.01 | 3.42 | 2.75 |
1920 - National League
| 1920 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.62 | 93 | 61 | 0.600 | 89 | 17 | 10 | 1427.0 | 1381 | 25 | 327 | 553 | 8.71 | 2.06 | 3.49 |
| SFG | 2.80 | 86 | 68 | 0.555 | 86 | 18 | 9 | 1408.0 | 1379 | 44 | 297 | 380 | 8.81 | 1.90 | 2.43 |
| PIT | 2.89 | 79 | 75 | 0.510 | 92 | 17 | 10 | 1415.0 | 1389 | 25 | 280 | 444 | 8.83 | 1.78 | 2.82 |
| CIN | 2.90 | 82 | 71 | 0.532 | 90 | 12 | 9 | 1391.0 | 1327 | 26 | 393 | 435 | 8.59 | 2.54 | 2.81 |
| CHC | 3.27 | 75 | 79 | 0.487 | 95 | 13 | 9 | 1388.0 | 1459 | 37 | 382 | 508 | 9.46 | 2.48 | 3.29 |
| STL | 3.43 | 75 | 79 | 0.484 | 72 | 9 | 12 | 1426.0 | 1488 | 30 | 479 | 529 | 9.39 | 3.02 | 3.34 |
| ATL | 3.54 | 62 | 90 | 0.405 | 93 | 14 | 6 | 1386.0 | 1464 | 39 | 415 | 368 | 9.51 | 2.69 | 2.39 |
| PHI | 3.63 | 62 | 91 | 0.405 | 77 | 8 | 11 | 1380.0 | 1480 | 35 | 444 | 419 | 9.65 | 2.90 | 2.73 |
1919 - American League
| 1919 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| NYY | 2.82 | 80 | 59 | 0.567 | 85 | 14 | 7 | 1287.0 | 1143 | 47 | 433 | 500 | 7.99 | 3.03 | 3.50 |
| CLE | 2.94 | 84 | 55 | 0.604 | 80 | 10 | 10 | 1245.0 | 1242 | 19 | 362 | 432 | 8.98 | 2.62 | 3.12 |
| MIN | 3.01 | 56 | 84 | 0.394 | 68 | 13 | 10 | 1274.0 | 1237 | 20 | 451 | 536 | 8.74 | 3.19 | 3.79 |
| CHW | 3.04 | 88 | 52 | 0.629 | 88 | 14 | 3 | 1265.0 | 1245 | 24 | 342 | 468 | 8.86 | 2.43 | 3.33 |
| BAL | 3.13 | 67 | 72 | 0.479 | 78 | 14 | 4 | 1256.0 | 1255 | 35 | 421 | 415 | 8.99 | 3.02 | 2.97 |
| DET | 3.30 | 80 | 60 | 0.571 | 85 | 10 | 4 | 1256.0 | 1254 | 35 | 436 | 428 | 8.99 | 3.12 | 3.07 |
| BOS | 3.31 | 66 | 71 | 0.478 | 89 | 15 | 8 | 1224.0 | 1251 | 16 | 421 | 381 | 9.20 | 3.10 | 2.80 |
| OAK | 4.26 | 36 | 104 | 0.257 | 72 | 1 | 3 | 1239.0 | 1371 | 44 | 503 | 417 | 9.96 | 3.65 | 3.03 |
1919 - National League
| 1919 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 2.21 | 75 | 65 | 0.536 | 80 | 21 | 5 | 1265.0 | 1127 | 14 | 294 | 495 | 8.02 | 2.09 | 3.52 |
| CIN | 2.23 | 96 | 44 | 0.686 | 89 | 23 | 9 | 1274.0 | 1104 | 21 | 298 | 407 | 7.80 | 2.11 | 2.88 |
| SFG | 2.70 | 87 | 53 | 0.621 | 72 | 11 | 13 | 1256.0 | 1153 | 34 | 305 | 340 | 8.26 | 2.19 | 2.44 |
| LAD | 2.73 | 69 | 71 | 0.489 | 98 | 12 | 1 | 1281.0 | 1256 | 21 | 292 | 476 | 8.82 | 2.05 | 3.34 |
| PIT | 2.88 | 71 | 68 | 0.511 | 91 | 17 | 4 | 1249.0 | 1113 | 23 | 263 | 391 | 8.02 | 1.90 | 2.82 |
| ATL | 3.17 | 57 | 82 | 0.407 | 79 | 5 | 9 | 1270.0 | 1313 | 29 | 337 | 374 | 9.30 | 2.39 | 2.65 |
| STL | 3.23 | 54 | 83 | 0.391 | 55 | 6 | 8 | 1217.0 | 1146 | 25 | 415 | 414 | 8.47 | 3.07 | 3.06 |
| PHI | 4.14 | 47 | 90 | 0.341 | 93 | 6 | 2 | 1252.0 | 1391 | 40 | 408 | 397 | 10.00 | 2.93 | 2.85 |
1918 - American League
| 1918 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 2.14 | 72 | 56 | 0.554 | 75 | 19 | 8 | 1228.0 | 1021 | 10 | 395 | 505 | 7.48 | 2.89 | 3.70 |
| BOS | 2.31 | 75 | 51 | 0.595 | 105 | 26 | 2 | 1120.0 | 931 | 9 | 380 | 392 | 7.48 | 3.05 | 3.15 |
| CLE | 2.64 | 73 | 54 | 0.566 | 78 | 5 | 13 | 1161.0 | 1126 | 9 | 343 | 364 | 8.73 | 2.66 | 2.82 |
| CHW | 2.73 | 57 | 67 | 0.460 | 76 | 9 | 8 | 1126.0 | 1092 | 9 | 300 | 349 | 8.73 | 2.40 | 2.79 |
| BAL | 2.75 | 58 | 64 | 0.472 | 67 | 8 | 8 | 1111.0 | 993 | 11 | 402 | 346 | 8.04 | 3.26 | 2.80 |
| NYY | 3.00 | 60 | 63 | 0.476 | 59 | 8 | 13 | 1157.0 | 1103 | 25 | 463 | 370 | 8.58 | 3.60 | 2.88 |
| OAK | 3.22 | 52 | 76 | 0.400 | 80 | 13 | 9 | 1156.0 | 1106 | 13 | 486 | 277 | 8.61 | 3.78 | 2.16 |
| DET | 3.40 | 55 | 71 | 0.430 | 74 | 8 | 7 | 1160.0 | 1130 | 10 | 437 | 374 | 8.77 | 3.39 | 2.90 |
1918 - National League
| 1918 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 2.18 | 84 | 45 | 0.641 | 92 | 23 | 8 | 1197.0 | 1050 | 13 | 296 | 472 | 7.89 | 2.23 | 3.55 |
| PIT | 2.48 | 65 | 60 | 0.516 | 85 | 10 | 7 | 1140.0 | 1005 | 13 | 299 | 367 | 7.93 | 2.36 | 2.90 |
| SFG | 2.64 | 71 | 53 | 0.573 | 74 | 18 | 11 | 1111.0 | 1002 | 20 | 228 | 330 | 8.12 | 1.85 | 2.67 |
| LAD | 2.81 | 57 | 69 | 0.452 | 85 | 17 | 2 | 1131.0 | 1024 | 22 | 320 | 395 | 8.15 | 2.55 | 3.14 |
| ATL | 2.90 | 53 | 71 | 0.427 | 96 | 13 | 0 | 1117.0 | 1111 | 14 | 277 | 340 | 8.95 | 2.23 | 2.74 |
| STL | 2.96 | 51 | 78 | 0.389 | 72 | 3 | 5 | 1193.0 | 1148 | 16 | 352 | 361 | 8.66 | 2.66 | 2.72 |
| CIN | 3.00 | 68 | 60 | 0.527 | 84 | 14 | 6 | 1142.0 | 1136 | 19 | 381 | 321 | 8.95 | 3.00 | 2.53 |
| PHI | 3.15 | 55 | 68 | 0.440 | 78 | 10 | 6 | 1139.0 | 1086 | 22 | 369 | 312 | 8.58 | 2.92 | 2.47 |
1917 - American League
| 1917 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.16 | 100 | 54 | 0.641 | 78 | 22 | 21 | 1424.0 | 1236 | 10 | 413 | 517 | 7.81 | 2.61 | 3.27 |
| BOS | 2.20 | 90 | 62 | 0.573 | 115 | 15 | 7 | 1421.0 | 1197 | 12 | 413 | 509 | 7.58 | 2.62 | 3.22 |
| CLE | 2.52 | 88 | 66 | 0.564 | 73 | 20 | 22 | 1412.0 | 1270 | 17 | 438 | 451 | 8.09 | 2.79 | 2.87 |
| DET | 2.56 | 78 | 75 | 0.506 | 78 | 20 | 15 | 1396.0 | 1209 | 12 | 504 | 516 | 7.79 | 3.25 | 3.33 |
| NYY | 2.66 | 71 | 82 | 0.458 | 87 | 10 | 6 | 1411.0 | 1280 | 28 | 427 | 571 | 8.16 | 2.72 | 3.64 |
| MIN | 2.75 | 74 | 79 | 0.471 | 84 | 21 | 10 | 1413.0 | 1217 | 12 | 537 | 637 | 7.75 | 3.42 | 4.06 |
| BAL | 3.20 | 57 | 97 | 0.368 | 66 | 12 | 12 | 1385.0 | 1320 | 19 | 537 | 429 | 8.58 | 3.49 | 2.79 |
| OAK | 3.27 | 55 | 98 | 0.357 | 80 | 8 | 8 | 1365.0 | 1310 | 23 | 562 | 516 | 8.64 | 3.71 | 3.40 |
1917 - National League
| 1917 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 2.27 | 98 | 56 | 0.620 | 92 | 18 | 14 | 1426.0 | 1221 | 29 | 327 | 551 | 7.71 | 2.06 | 3.48 |
| PHI | 2.46 | 87 | 65 | 0.565 | 102 | 22 | 5 | 1389.0 | 1258 | 25 | 325 | 616 | 8.15 | 2.11 | 3.99 |
| CHC | 2.62 | 74 | 80 | 0.471 | 79 | 16 | 9 | 1404.0 | 1303 | 34 | 374 | 654 | 8.35 | 2.40 | 4.19 |
| CIN | 2.70 | 78 | 76 | 0.497 | 94 | 12 | 6 | 1397.0 | 1358 | 20 | 402 | 488 | 8.75 | 2.59 | 3.14 |
| ATL | 2.77 | 72 | 81 | 0.459 | 105 | 22 | 3 | 1424.0 | 1309 | 19 | 371 | 593 | 8.27 | 2.34 | 3.75 |
| LAD | 2.78 | 70 | 81 | 0.449 | 99 | 8 | 9 | 1421.0 | 1288 | 32 | 405 | 582 | 8.16 | 2.57 | 3.69 |
| PIT | 3.01 | 51 | 103 | 0.325 | 84 | 17 | 6 | 1417.0 | 1318 | 14 | 432 | 509 | 8.37 | 2.74 | 3.23 |
| STL | 3.03 | 82 | 70 | 0.532 | 66 | 16 | 10 | 1392.0 | 1257 | 29 | 421 | 502 | 8.13 | 2.72 | 3.25 |
1916 - American League
| 1916 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.36 | 89 | 65 | 0.574 | 73 | 20 | 15 | 1412.0 | 1189 | 14 | 405 | 644 | 7.58 | 2.58 | 4.10 |
| BOS | 2.48 | 91 | 63 | 0.583 | 76 | 24 | 16 | 1410.0 | 1221 | 10 | 463 | 584 | 7.79 | 2.96 | 3.73 |
| BAL | 2.58 | 79 | 75 | 0.500 | 74 | 9 | 13 | 1443.0 | 1292 | 15 | 478 | 505 | 8.06 | 2.98 | 3.15 |
| MIN | 2.67 | 76 | 77 | 0.478 | 85 | 11 | 7 | 1430.0 | 1271 | 14 | 490 | 706 | 8.00 | 3.08 | 4.44 |
| NYY | 2.77 | 80 | 74 | 0.513 | 84 | 12 | 17 | 1428.0 | 1249 | 37 | 476 | 616 | 7.87 | 3.00 | 3.88 |
| CLE | 2.90 | 77 | 77 | 0.490 | 65 | 9 | 16 | 1410.0 | 1383 | 16 | 467 | 537 | 8.83 | 2.98 | 3.43 |
| DET | 2.97 | 87 | 67 | 0.561 | 81 | 8 | 13 | 1410.0 | 1254 | 12 | 578 | 531 | 8.00 | 3.69 | 3.39 |
| OAK | 3.92 | 36 | 117 | 0.234 | 94 | 11 | 3 | 1343.0 | 1311 | 26 | 715 | 575 | 8.79 | 4.79 | 3.85 |
1916 - National League
| 1916 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| LAD | 2.12 | 94 | 60 | 0.603 | 96 | 22 | 9 | 1427.0 | 1201 | 24 | 372 | 634 | 7.57 | 2.35 | 4.00 |
| ATL | 2.19 | 89 | 63 | 0.563 | 97 | 23 | 11 | 1415.0 | 1206 | 24 | 325 | 644 | 7.67 | 2.07 | 4.10 |
| PHI | 2.36 | 91 | 62 | 0.591 | 97 | 25 | 9 | 1382.0 | 1238 | 28 | 295 | 601 | 8.06 | 1.92 | 3.91 |
| SFG | 2.60 | 86 | 66 | 0.555 | 88 | 22 | 12 | 1397.0 | 1267 | 41 | 310 | 638 | 8.16 | 2.00 | 4.11 |
| CHC | 2.65 | 67 | 86 | 0.429 | 72 | 17 | 13 | 1416.0 | 1265 | 32 | 365 | 616 | 8.04 | 2.32 | 3.92 |
| PIT | 2.76 | 65 | 89 | 0.414 | 88 | 11 | 7 | 1419.0 | 1277 | 24 | 443 | 596 | 8.10 | 2.81 | 3.78 |
| CIN | 3.10 | 60 | 93 | 0.387 | 86 | 7 | 6 | 1408.0 | 1356 | 35 | 461 | 569 | 8.67 | 2.95 | 3.64 |
| STL | 3.14 | 60 | 93 | 0.392 | 58 | 13 | 15 | 1355.0 | 1331 | 31 | 445 | 529 | 8.84 | 2.96 | 3.51 |
1915 - American League
| 1915 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 2.31 | 85 | 68 | 0.548 | 87 | 21 | 13 | 1393.0 | 1161 | 12 | 455 | 715 | 7.50 | 2.94 | 4.62 |
| BOS | 2.39 | 101 | 50 | 0.652 | 81 | 19 | 15 | 1397.0 | 1164 | 18 | 446 | 634 | 7.50 | 2.87 | 4.08 |
| CHW | 2.43 | 93 | 61 | 0.600 | 91 | 16 | 9 | 1401.0 | 1242 | 14 | 350 | 635 | 7.98 | 2.25 | 4.08 |
| DET | 2.86 | 100 | 54 | 0.641 | 86 | 10 | 19 | 1413.0 | 1259 | 14 | 492 | 550 | 8.02 | 3.13 | 3.50 |
| BAL | 3.04 | 63 | 91 | 0.396 | 76 | 6 | 7 | 1403.0 | 1256 | 21 | 612 | 566 | 8.06 | 3.93 | 3.63 |
| NYY | 3.06 | 69 | 83 | 0.448 | 101 | 12 | 2 | 1382.0 | 1272 | 41 | 517 | 559 | 8.28 | 3.37 | 3.64 |
| CLE | 3.13 | 57 | 95 | 0.370 | 62 | 11 | 10 | 1372.0 | 1287 | 18 | 518 | 610 | 8.44 | 3.40 | 4.00 |
| OAK | 4.29 | 43 | 109 | 0.279 | 78 | 6 | 2 | 1348.0 | 1358 | 22 | 827 | 588 | 9.07 | 5.52 | 3.93 |
1915 - National League
| 1915 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| PHI | 2.17 | 90 | 62 | 0.588 | 98 | 20 | 8 | 1374.0 | 1161 | 26 | 342 | 652 | 7.60 | 2.24 | 4.27 |
| ATL | 2.57 | 83 | 69 | 0.529 | 95 | 17 | 13 | 1405.0 | 1257 | 23 | 366 | 630 | 8.05 | 2.34 | 4.04 |
| PIT | 2.60 | 73 | 81 | 0.468 | 91 | 18 | 11 | 1380.0 | 1229 | 21 | 384 | 544 | 8.02 | 2.50 | 3.55 |
| LAD | 2.66 | 80 | 72 | 0.519 | 87 | 16 | 8 | 1389.0 | 1252 | 29 | 473 | 499 | 8.11 | 3.06 | 3.23 |
| CIN | 2.84 | 71 | 83 | 0.444 | 80 | 19 | 12 | 1432.0 | 1304 | 28 | 497 | 572 | 8.20 | 3.12 | 3.59 |
| STL | 2.89 | 72 | 81 | 0.459 | 79 | 13 | 9 | 1400.0 | 1320 | 30 | 402 | 538 | 8.49 | 2.58 | 3.46 |
| CHC | 3.11 | 73 | 80 | 0.468 | 71 | 18 | 8 | 1399.0 | 1272 | 28 | 480 | 657 | 8.18 | 3.09 | 4.23 |
| SFG | 3.11 | 69 | 83 | 0.445 | 78 | 15 | 9 | 1385.0 | 1350 | 40 | 325 | 637 | 8.77 | 2.11 | 4.14 |
1914 - American League
| 1914 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BOS | 2.36 | 91 | 62 | 0.572 | 88 | 24 | 8 | 1427.0 | 1207 | 18 | 393 | 602 | 7.61 | 2.48 | 3.80 |
| CHW | 2.48 | 70 | 84 | 0.446 | 74 | 17 | 11 | 1398.0 | 1207 | 15 | 401 | 660 | 7.77 | 2.58 | 4.25 |
| MIN | 2.54 | 81 | 73 | 0.513 | 75 | 25 | 20 | 1420.0 | 1170 | 20 | 520 | 784 | 7.42 | 3.30 | 4.97 |
| OAK | 2.78 | 99 | 53 | 0.627 | 89 | 24 | 17 | 1404.0 | 1264 | 18 | 521 | 720 | 8.10 | 3.34 | 4.62 |
| NYY | 2.81 | 70 | 84 | 0.446 | 98 | 9 | 5 | 1397.0 | 1277 | 30 | 390 | 563 | 8.23 | 2.51 | 3.63 |
| BAL | 2.85 | 71 | 82 | 0.447 | 81 | 15 | 11 | 1410.0 | 1309 | 20 | 540 | 553 | 8.36 | 3.45 | 3.53 |
| DET | 2.86 | 80 | 73 | 0.510 | 81 | 14 | 12 | 1412.0 | 1285 | 17 | 498 | 567 | 8.19 | 3.17 | 3.61 |
| CLE | 3.21 | 51 | 102 | 0.325 | 69 | 9 | 3 | 1391.0 | 1365 | 10 | 666 | 688 | 8.83 | 4.31 | 4.45 |
1914 - National League
| 1914 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| STL | 2.38 | 81 | 72 | 0.516 | 84 | 16 | 12 | 1424.0 | 1279 | 26 | 422 | 531 | 8.08 | 2.67 | 3.36 |
| PIT | 2.70 | 69 | 85 | 0.437 | 86 | 10 | 11 | 1405.0 | 1272 | 27 | 392 | 488 | 8.15 | 2.51 | 3.13 |
| CHC | 2.71 | 78 | 76 | 0.500 | 70 | 14 | 11 | 1389.0 | 1169 | 37 | 528 | 651 | 7.57 | 3.42 | 4.22 |
| ATL | 2.74 | 94 | 59 | 0.595 | 104 | 19 | 6 | 1421.0 | 1272 | 38 | 477 | 606 | 8.06 | 3.02 | 3.84 |
| LAD | 2.82 | 75 | 79 | 0.487 | 80 | 11 | 11 | 1368.0 | 1282 | 36 | 466 | 605 | 8.43 | 3.07 | 3.98 |
| CIN | 2.94 | 60 | 94 | 0.382 | 74 | 15 | 15 | 1387.0 | 1259 | 30 | 489 | 607 | 8.17 | 3.17 | 3.94 |
| SFG | 2.94 | 84 | 70 | 0.538 | 88 | 20 | 9 | 1390.0 | 1298 | 47 | 367 | 563 | 8.40 | 2.38 | 3.65 |
| PHI | 3.06 | 74 | 80 | 0.481 | 85 | 14 | 7 | 1379.0 | 1403 | 26 | 452 | 650 | 9.16 | 2.95 | 4.24 |
1913 - American League
| 1913 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.33 | 78 | 74 | 0.510 | 84 | 17 | 8 | 1360.0 | 1190 | 10 | 438 | 602 | 7.88 | 2.90 | 3.98 |
| CLE | 2.54 | 86 | 66 | 0.555 | 93 | 18 | 5 | 1386.0 | 1278 | 19 | 502 | 689 | 8.30 | 3.26 | 4.47 |
| MIN | 2.73 | 90 | 64 | 0.581 | 78 | 23 | 20 | 1396.0 | 1177 | 35 | 465 | 758 | 7.59 | 3.00 | 4.89 |
| BOS | 2.94 | 79 | 71 | 0.523 | 83 | 12 | 10 | 1358.0 | 1323 | 6 | 442 | 710 | 8.77 | 2.93 | 4.71 |
| BAL | 3.06 | 57 | 96 | 0.368 | 104 | 14 | 5 | 1382.0 | 1369 | 21 | 454 | 476 | 8.92 | 2.96 | 3.10 |
| OAK | 3.19 | 96 | 57 | 0.627 | 69 | 17 | 22 | 1351.0 | 1200 | 24 | 532 | 630 | 7.99 | 3.54 | 4.20 |
| NYY | 3.27 | 57 | 94 | 0.373 | 75 | 8 | 7 | 1344.0 | 1318 | 31 | 455 | 530 | 8.83 | 3.05 | 3.55 |
| DET | 3.38 | 66 | 87 | 0.431 | 90 | 4 | 7 | 1360.0 | 1359 | 13 | 504 | 468 | 8.99 | 3.34 | 3.10 |
1913 - National League
| 1913 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 2.42 | 101 | 51 | 0.647 | 82 | 12 | 17 | 1422.0 | 1276 | 38 | 315 | 651 | 8.08 | 1.99 | 4.12 |
| PIT | 2.90 | 78 | 71 | 0.503 | 74 | 9 | 7 | 1400.0 | 1344 | 26 | 434 | 590 | 8.64 | 2.79 | 3.79 |
| LAD | 3.13 | 65 | 84 | 0.428 | 71 | 9 | 7 | 1373.0 | 1287 | 33 | 439 | 548 | 8.44 | 2.88 | 3.59 |
| CHC | 3.13 | 88 | 65 | 0.568 | 89 | 12 | 15 | 1372.0 | 1330 | 39 | 478 | 556 | 8.72 | 3.14 | 3.65 |
| PHI | 3.15 | 88 | 63 | 0.553 | 77 | 20 | 11 | 1455.0 | 1407 | 40 | 512 | 667 | 8.70 | 3.17 | 4.13 |
| ATL | 3.19 | 69 | 82 | 0.448 | 105 | 13 | 3 | 1373.0 | 1343 | 37 | 419 | 597 | 8.80 | 2.75 | 3.91 |
| CIN | 3.46 | 64 | 89 | 0.410 | 71 | 10 | 10 | 1380.0 | 1398 | 40 | 456 | 522 | 9.12 | 2.97 | 3.40 |
| STL | 4.23 | 51 | 99 | 0.333 | 74 | 6 | 11 | 1351.0 | 1426 | 57 | 477 | 465 | 9.50 | 3.18 | 3.10 |
1912 - American League
| 1912 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| MIN | 2.69 | 91 | 61 | 0.591 | 98 | 11 | 7 | 1376.0 | 1219 | 24 | 525 | 828 | 7.97 | 3.43 | 5.42 |
| BOS | 2.76 | 105 | 47 | 0.682 | 108 | 18 | 6 | 1362.0 | 1243 | 18 | 385 | 712 | 8.21 | 2.54 | 4.70 |
| CHW | 3.06 | 78 | 76 | 0.494 | 85 | 14 | 16 | 1413.0 | 1398 | 26 | 426 | 698 | 8.90 | 2.71 | 4.45 |
| CLE | 3.30 | 75 | 78 | 0.484 | 94 | 7 | 7 | 1352.0 | 1367 | 15 | 523 | 622 | 9.10 | 3.48 | 4.14 |
| OAK | 3.32 | 90 | 62 | 0.588 | 95 | 11 | 9 | 1357.0 | 1273 | 12 | 518 | 601 | 8.44 | 3.44 | 3.99 |
| BAL | 3.71 | 53 | 101 | 0.338 | 85 | 8 | 5 | 1369.0 | 1433 | 17 | 442 | 547 | 9.42 | 2.91 | 3.60 |
| DET | 3.77 | 69 | 84 | 0.448 | 107 | 7 | 5 | 1367.0 | 1438 | 16 | 521 | 512 | 9.47 | 3.43 | 3.37 |
| NYY | 4.13 | 50 | 102 | 0.327 | 105 | 5 | 3 | 1335.0 | 1448 | 28 | 436 | 637 | 9.76 | 2.94 | 4.29 |
1912 - National League
| 1912 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 2.58 | 103 | 48 | 0.669 | 93 | 8 | 15 | 1369.0 | 1352 | 36 | 338 | 652 | 8.89 | 2.22 | 4.29 |
| PIT | 2.85 | 93 | 58 | 0.612 | 94 | 18 | 7 | 1385.0 | 1268 | 28 | 497 | 664 | 8.24 | 3.23 | 4.31 |
| PHI | 3.25 | 73 | 79 | 0.480 | 81 | 10 | 9 | 1355.0 | 1381 | 43 | 515 | 616 | 9.17 | 3.42 | 4.09 |
| CHC | 3.42 | 91 | 59 | 0.599 | 80 | 15 | 9 | 1358.0 | 1307 | 33 | 493 | 554 | 8.66 | 3.27 | 3.67 |
| CIN | 3.42 | 75 | 78 | 0.484 | 86 | 13 | 10 | 1377.0 | 1455 | 28 | 452 | 561 | 9.51 | 2.95 | 3.67 |
| LAD | 3.64 | 58 | 95 | 0.379 | 71 | 10 | 8 | 1357.0 | 1399 | 45 | 510 | 553 | 9.28 | 3.38 | 3.67 |
| STL | 3.85 | 63 | 90 | 0.412 | 61 | 6 | 12 | 1353.0 | 1466 | 31 | 560 | 487 | 9.75 | 3.73 | 3.24 |
| ATL | 4.17 | 52 | 101 | 0.335 | 88 | 5 | 5 | 1390.0 | 1544 | 43 | 521 | 542 | 10.00 | 3.37 | 3.51 |
1911 - American League
| 1911 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| BOS | 2.74 | 78 | 75 | 0.510 | 87 | 10 | 8 | 1351.0 | 1309 | 21 | 473 | 711 | 8.72 | 3.15 | 4.74 |
| CHW | 2.97 | 77 | 74 | 0.500 | 85 | 17 | 11 | 1386.0 | 1349 | 22 | 384 | 752 | 8.76 | 2.49 | 4.88 |
| OAK | 3.01 | 101 | 50 | 0.664 | 97 | 13 | 13 | 1375.0 | 1343 | 17 | 487 | 739 | 8.79 | 3.19 | 4.84 |
| CLE | 3.36 | 80 | 73 | 0.513 | 93 | 6 | 6 | 1390.0 | 1382 | 17 | 552 | 675 | 8.95 | 3.57 | 4.37 |
| MIN | 3.52 | 64 | 90 | 0.416 | 106 | 13 | 3 | 1353.0 | 1471 | 39 | 410 | 628 | 9.78 | 2.73 | 4.18 |
| NYY | 3.54 | 76 | 76 | 0.497 | 91 | 5 | 3 | 1360.0 | 1404 | 26 | 406 | 667 | 9.29 | 2.69 | 4.41 |
| DET | 3.73 | 89 | 65 | 0.578 | 108 | 8 | 3 | 1387.0 | 1514 | 28 | 460 | 538 | 9.82 | 2.98 | 3.49 |
| BAL | 3.86 | 45 | 107 | 0.296 | 92 | 8 | 1 | 1332.0 | 1465 | 28 | 463 | 383 | 9.90 | 3.13 | 2.59 |
1911 - National League
| 1911 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| SFG | 2.69 | 99 | 54 | 0.643 | 95 | 19 | 13 | 1368.0 | 1267 | 33 | 369 | 771 | 8.34 | 2.43 | 5.07 |
| PIT | 2.84 | 85 | 69 | 0.548 | 91 | 13 | 11 | 1380.0 | 1249 | 36 | 375 | 605 | 8.15 | 2.45 | 3.95 |
| CHC | 2.90 | 92 | 62 | 0.586 | 85 | 12 | 16 | 1411.0 | 1270 | 26 | 525 | 582 | 8.10 | 3.35 | 3.71 |
| CIN | 3.26 | 70 | 83 | 0.440 | 77 | 4 | 12 | 1425.0 | 1410 | 36 | 476 | 557 | 8.91 | 3.01 | 3.52 |
| PHI | 3.30 | 79 | 73 | 0.516 | 90 | 20 | 10 | 1373.0 | 1285 | 43 | 598 | 697 | 8.42 | 3.92 | 4.57 |
| LAD | 3.39 | 64 | 86 | 0.416 | 81 | 13 | 10 | 1371.0 | 1310 | 27 | 566 | 533 | 8.60 | 3.72 | 3.50 |
| STL | 3.68 | 75 | 74 | 0.475 | 88 | 6 | 10 | 1402.0 | 1296 | 39 | 701 | 561 | 8.32 | 4.50 | 3.60 |
| ATL | 5.08 | 44 | 107 | 0.282 | 73 | 5 | 7 | 1374.0 | 1570 | 76 | 672 | 486 | 10.28 | 4.40 | 3.18 |
1910 - American League
| 1910 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 1.79 | 102 | 48 | 0.658 | 123 | 24 | 5 | 1421.0 | 1103 | 8 | 450 | 789 | 6.99 | 2.85 | 5.00 |
| CHW | 2.03 | 68 | 85 | 0.436 | 103 | 23 | 7 | 1421.0 | 1130 | 16 | 381 | 785 | 7.16 | 2.41 | 4.97 |
| BOS | 2.45 | 81 | 72 | 0.513 | 100 | 12 | 6 | 1430.0 | 1236 | 30 | 414 | 670 | 7.78 | 2.61 | 4.22 |
| MIN | 2.46 | 66 | 85 | 0.420 | 119 | 19 | 3 | 1373.0 | 1215 | 19 | 375 | 674 | 7.96 | 2.46 | 4.42 |
| NYY | 2.61 | 88 | 63 | 0.564 | 110 | 14 | 8 | 1399.0 | 1238 | 16 | 364 | 654 | 7.96 | 2.34 | 4.21 |
| DET | 2.82 | 86 | 68 | 0.555 | 108 | 17 | 5 | 1380.0 | 1257 | 34 | 460 | 532 | 8.20 | 3.00 | 3.47 |
| CLE | 2.88 | 71 | 81 | 0.441 | 92 | 13 | 5 | 1467.0 | 1392 | 10 | 488 | 617 | 8.54 | 2.99 | 3.79 |
| BAL | 3.09 | 47 | 107 | 0.297 | 101 | 9 | 3 | 1391.0 | 1356 | 14 | 532 | 557 | 8.77 | 3.44 | 3.60 |
1910 - National League
| 1910 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 2.51 | 104 | 50 | 0.675 | 100 | 25 | 13 | 1378.0 | 1171 | 18 | 474 | 609 | 7.65 | 3.10 | 3.98 |
| SFG | 2.68 | 91 | 63 | 0.587 | 96 | 9 | 10 | 1391.0 | 1290 | 30 | 397 | 717 | 8.35 | 2.57 | 4.64 |
| PIT | 2.83 | 86 | 67 | 0.558 | 73 | 13 | 12 | 1376.0 | 1254 | 20 | 392 | 479 | 8.20 | 2.56 | 3.13 |
| PHI | 3.05 | 78 | 75 | 0.497 | 84 | 17 | 9 | 1411.0 | 1297 | 36 | 547 | 657 | 8.27 | 3.49 | 4.19 |
| LAD | 3.07 | 64 | 90 | 0.410 | 103 | 15 | 5 | 1420.0 | 1331 | 17 | 545 | 555 | 8.44 | 3.45 | 3.52 |
| CIN | 3.08 | 75 | 79 | 0.481 | 86 | 16 | 11 | 1386.0 | 1334 | 27 | 528 | 497 | 8.66 | 3.43 | 3.23 |
| ATL | 3.22 | 53 | 100 | 0.338 | 72 | 12 | 9 | 1390.0 | 1328 | 36 | 599 | 531 | 8.60 | 3.88 | 3.44 |
| STL | 3.78 | 63 | 90 | 0.412 | 81 | 4 | 14 | 1337.0 | 1396 | 30 | 541 | 466 | 9.40 | 3.64 | 3.14 |
1909 - American League
| 1909 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| OAK | 1.93 | 95 | 58 | 0.621 | 110 | 27 | 3 | 1378.0 | 1069 | 9 | 386 | 728 | 6.98 | 2.52 | 4.75 |
| CHW | 2.05 | 78 | 74 | 0.491 | 115 | 26 | 4 | 1430.0 | 1182 | 8 | 340 | 669 | 7.44 | 2.14 | 4.21 |
| DET | 2.26 | 98 | 54 | 0.620 | 117 | 17 | 12 | 1420.0 | 1254 | 16 | 359 | 528 | 7.95 | 2.28 | 3.35 |
| CLE | 2.40 | 71 | 82 | 0.458 | 110 | 15 | 3 | 1361.0 | 1212 | 9 | 348 | 568 | 8.01 | 2.30 | 3.76 |
| BOS | 2.59 | 88 | 63 | 0.579 | 75 | 11 | 15 | 1360.0 | 1214 | 18 | 384 | 555 | 8.03 | 2.54 | 3.67 |
| NYY | 2.65 | 74 | 77 | 0.484 | 94 | 18 | 7 | 1350.0 | 1223 | 21 | 422 | 597 | 8.15 | 2.81 | 3.98 |
| BAL | 2.88 | 61 | 89 | 0.396 | 105 | 21 | 4 | 1354.0 | 1287 | 16 | 383 | 620 | 8.55 | 2.55 | 4.12 |
| MIN | 3.04 | 42 | 110 | 0.269 | 99 | 11 | 2 | 1374.0 | 1288 | 12 | 424 | 653 | 8.44 | 2.78 | 4.28 |
1909 - National League
| 1909 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 1.75 | 104 | 49 | 0.671 | 111 | 32 | 11 | 1399.0 | 1094 | 6 | 364 | 680 | 7.04 | 2.34 | 4.37 |
| PIT | 2.07 | 110 | 42 | 0.714 | 93 | 21 | 11 | 1401.0 | 1174 | 12 | 320 | 490 | 7.54 | 2.06 | 3.15 |
| SFG | 2.27 | 92 | 61 | 0.582 | 105 | 17 | 15 | 1440.0 | 1248 | 28 | 397 | 735 | 7.80 | 2.48 | 4.59 |
| PHI | 2.44 | 74 | 79 | 0.481 | 89 | 17 | 6 | 1391.0 | 1190 | 23 | 472 | 612 | 7.70 | 3.05 | 3.96 |
| CIN | 2.52 | 77 | 76 | 0.490 | 91 | 10 | 8 | 1407.0 | 1233 | 5 | 510 | 477 | 7.89 | 3.26 | 3.05 |
| LAD | 3.10 | 55 | 98 | 0.355 | 126 | 18 | 3 | 1384.0 | 1277 | 32 | 528 | 594 | 8.30 | 3.43 | 3.86 |
| ATL | 3.20 | 45 | 108 | 0.290 | 98 | 13 | 6 | 1370.0 | 1329 | 23 | 543 | 414 | 8.73 | 3.57 | 2.72 |
| STL | 3.41 | 54 | 98 | 0.351 | 84 | 5 | 4 | 1379.0 | 1368 | 22 | 483 | 435 | 8.93 | 3.15 | 2.84 |
1908 - American League
| 1908 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CLE | 2.02 | 90 | 64 | 0.573 | 108 | 18 | 5 | 1424.0 | 1172 | 16 | 328 | 548 | 7.41 | 2.07 | 3.46 |
| BAL | 2.15 | 83 | 69 | 0.535 | 107 | 15 | 5 | 1397.0 | 1151 | 7 | 387 | 607 | 7.42 | 2.49 | 3.91 |
| CHW | 2.22 | 88 | 64 | 0.564 | 107 | 23 | 10 | 1414.0 | 1170 | 11 | 284 | 623 | 7.45 | 1.81 | 3.97 |
| BOS | 2.28 | 75 | 79 | 0.484 | 102 | 12 | 7 | 1380.0 | 1200 | 18 | 364 | 624 | 7.83 | 2.37 | 4.07 |
| MIN | 2.34 | 67 | 85 | 0.432 | 106 | 15 | 7 | 1391.0 | 1236 | 16 | 348 | 649 | 8.00 | 2.25 | 4.20 |
| DET | 2.40 | 90 | 63 | 0.584 | 119 | 15 | 5 | 1374.0 | 1313 | 12 | 318 | 553 | 8.60 | 2.08 | 3.62 |
| OAK | 2.56 | 68 | 85 | 0.433 | 102 | 23 | 4 | 1400.0 | 1194 | 10 | 410 | 741 | 7.68 | 2.64 | 4.76 |
| NYY | 3.16 | 51 | 103 | 0.329 | 90 | 11 | 3 | 1366.0 | 1288 | 26 | 458 | 585 | 8.49 | 3.02 | 3.85 |
1908 - National League
| 1908 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| PHI | 2.10 | 83 | 71 | 0.535 | 116 | 22 | 6 | 1393.0 | 1167 | 8 | 379 | 476 | 7.54 | 2.45 | 3.08 |
| PIT | 2.12 | 98 | 56 | 0.632 | 100 | 24 | 9 | 1402.0 | 1142 | 16 | 406 | 468 | 7.33 | 2.61 | 3.00 |
| CHC | 2.14 | 99 | 55 | 0.627 | 108 | 29 | 12 | 1433.0 | 1137 | 20 | 437 | 668 | 7.14 | 2.74 | 4.20 |
| SFG | 2.14 | 98 | 56 | 0.624 | 95 | 25 | 18 | 1411.0 | 1214 | 26 | 288 | 656 | 7.74 | 1.84 | 4.18 |
| CIN | 2.37 | 73 | 81 | 0.471 | 110 | 17 | 8 | 1384.0 | 1218 | 19 | 415 | 433 | 7.92 | 2.70 | 2.82 |
| LAD | 2.47 | 53 | 101 | 0.344 | 118 | 20 | 4 | 1369.0 | 1165 | 17 | 444 | 535 | 7.66 | 2.92 | 3.52 |
| STL | 2.64 | 49 | 105 | 0.318 | 97 | 13 | 4 | 1368.0 | 1217 | 16 | 430 | 528 | 8.01 | 2.83 | 3.47 |
| ATL | 2.79 | 63 | 91 | 0.404 | 92 | 14 | 1 | 1404.0 | 1262 | 29 | 423 | 416 | 8.09 | 2.71 | 2.67 |
1907 - American League
| 1907 - American League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHW | 2.22 | 87 | 64 | 0.554 | 112 | 17 | 9 | 1406.0 | 1279 | 13 | 305 | 604 | 8.19 | 1.95 | 3.87 |
| CLE | 2.26 | 85 | 67 | 0.538 | 127 | 20 | 5 | 1392.0 | 1253 | 8 | 362 | 513 | 8.10 | 2.34 | 3.32 |
| DET | 2.33 | 92 | 58 | 0.601 | 120 | 15 | 7 | 1370.0 | 1281 | 8 | 380 | 512 | 8.42 | 2.50 | 3.36 |
| OAK | 2.35 | 88 | 57 | 0.587 | 106 | 27 | 6 | 1354.0 | 1106 | 13 | 378 | 789 | 7.35 | 2.51 | 5.24 |
| BOS | 2.45 | 59 | 90 | 0.381 | 100 | 17 | 7 | 1414.0 | 1222 | 22 | 337 | 517 | 7.78 | 2.14 | 3.29 |
| BAL | 2.61 | 69 | 83 | 0.445 | 129 | 15 | 9 | 1381.0 | 1254 | 17 | 352 | 463 | 8.17 | 2.29 | 3.02 |
| NYY | 3.03 | 70 | 78 | 0.461 | 93 | 10 | 5 | 1333.0 | 1327 | 13 | 428 | 511 | 8.96 | 2.89 | 3.45 |
| MIN | 3.11 | 49 | 102 | 0.318 | 106 | 12 | 5 | 1351.0 | 1383 | 10 | 344 | 570 | 9.21 | 2.29 | 3.80 |
1907 - National League
| 1907 - National League |
| Team | ERA | W | L | WPct | CG | SO | Sv | IP | H | HR | BB | SO | H/9 | BB/9 | SO/9 |
| CHC | 1.73 | 107 | 45 | 0.690 | 114 | 32 | 8 | 1373.0 | 1054 | 11 | 402 | 586 | 6.91 | 2.64 | 3.84 |
| PIT | 2.30 | 91 | 63 | 0.580 | 111 | 24 | 5 | 1363.0 | 1207 | 12 | 368 | 497 | 7.97 | 2.43 | 3.28 |
| LAD | 2.38 | 65 | 83 | 0.425 | 125 | 20 | 1 | 1356.0 | 1218 | 16 | 463 | 479 | 8.08 | <