Minimum 320 innings pitched. PR is pitching runs, an estimate of the number of earned runs prevented beyond the league average adjusted for pitchers’ park factor. AERA is earned-run average adjusted for league ERA and pitchers’ park factor. See tools for a detailed explanation. An asterisk denotes a left-handed pitcher.

 Rnk  Pitcher               PR  AERA   ERA    H/9  BB/9   BR/9  HR/9   SO/9
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