American League
| Year | Winner | League | Note |
|---|
| 2021 | Robbie Ray | AL | |
| 2020 | Shane Bieber | AL | |
| 2019 | Justin Verlander | AL | |
| 2018 | Blake Snell | AL | |
| 2017 | Corey Kluber | AL | |
| 2016 | Rick Porcello | AL | |
| 2015 | Dallas Keuchel | AL | |
| 2014 | Corey Kluber | AL | |
| 2013 | Max Scherzer | AL | |
| 2012 | David Price | AL | |
| 2011 | Justin Verlander | AL | |
| 2010 | Felix Hernandez | AL | |
| 2009 | Zack Greinke | AL | |
| 2008 | Cliff Lee | AL | |
| 2007 | CC Sabathia | AL | |
| 2006 | Johan Santana | AL | |
| 2005 | Bartolo Colon | AL | |
| 2004 | Johan Santana | AL | |
| 2003 | Roy Halladay | AL | |
| 2002 | Barry Zito | AL | |
| 2001 | Roger Clemens | AL | |
| 2000 | Pedro Martinez | AL | |
| 1999 | Pedro Martinez | AL | |
| 1998 | Roger Clemens | AL | |
| 1997 | Roger Clemens | AL | |
| 1996 | Pat Hentgen | AL | |
| 1995 | Randy Johnson | AL | |
| 1994 | David Cone | AL | |
| 1993 | Jack McDowell | AL | |
| 1992 | Dennis Eckersley | AL | |
| 1991 | Roger Clemens | AL | |
| 1990 | Bob Welch | AL | |
| 1989 | Bret Saberhagen | AL | |
| 1988 | Frank Viola | AL | |
| 1987 | Roger Clemens | AL | |
| 1986 | Roger Clemens | AL | |
| 1985 | Bret Saberhagen | AL | |
| 1984 | Willie Hernandez | AL | |
| 1983 | LaMarr Hoyt | AL | |
| 1982 | Pete Vuckovich | AL | |
| 1981 | Rollie Fingers | AL | |
| 1980 | Steve Stone | AL | |
| 1979 | Mike Flanagan | AL | |
| 1978 | Ron Guidry | AL | |
| 1977 | Sparky Lyle | AL | |
| 1976 | Jim Palmer | AL | |
| 1975 | Jim Palmer | AL | |
| 1974 | Catfish Hunter | AL | |
| 1973 | Jim Palmer | AL | |
| 1972 | Gaylord Perry | AL | |
| 1971 | Vida Blue | AL | |
| 1970 | Jim Perry | AL | |
| 1969 | Mike Cuellar | AL | Tie |
| 1969 | Denny McLain | AL | Tie |
| 1968 | Denny McLain | AL | |
| 1967 | Jim Lonborg | AL | |
National League
| Year | Winner | League | Note |
|---|
| 2021 | Corbin Burnes | NL | |
| 2020 | Trevor Bauer | NL | |
| 2019 | Jacob deGrom | NL | |
| 2018 | Jacob deGrom | NL | |
| 2017 | Max Scherzer | NL | |
| 2016 | Max Scherzer | NL | |
| 2015 | Jake Arrieta | NL | |
| 2014 | Clayton Kershaw | NL | |
| 2013 | Clayton Kershaw | NL | |
| 2012 | R. A. Dickey | NL | |
| 2011 | Clayton Kershaw | NL | |
| 2010 | Roy Halladay | NL | |
| 2009 | Tim Lincecum | NL | |
| 2008 | Tim Lincecum | NL | |
| 2007 | Jake Peavy | NL | |
| 2006 | Brandon Webb | NL | |
| 2005 | Chris Carpenter | NL | |
| 2004 | Roger Clemens | NL | |
| 2003 | Eric Gagne | NL | |
| 2002 | Randy Johnson | NL | |
| 2001 | Randy Johnson | NL | |
| 2000 | Randy Johnson | NL | |
| 1999 | Randy Johnson | NL | |
| 1998 | Tom Glavine | NL | |
| 1997 | Pedro Martinez | NL | |
| 1996 | John Smoltz | NL | |
| 1995 | Greg Maddux | NL | |
| 1994 | Greg Maddux | NL | |
| 1993 | Greg Maddux | NL | |
| 1992 | Greg Maddux | NL | |
| 1991 | Tom Glavine | NL | |
| 1990 | Doug Drabek | NL | |
| 1989 | Mark Davis | NL | |
| 1988 | Orel Hershiser | NL | |
| 1987 | Steve Bedrosian | NL | |
| 1986 | Mike Scott | NL | |
| 1985 | Dwight Gooden | NL | |
| 1984 | Rick Sutcliffe | NL | |
| 1983 | John Denny | NL | |
| 1982 | Steve Carlton | NL | |
| 1981 | Fernando Valenzuela | NL | |
| 1980 | Steve Carlton | NL | |
| 1979 | Bruce Sutter | NL | |
| 1978 | Gaylord Perry | NL | |
| 1977 | Steve Carlton | NL | |
| 1976 | Randy Jones | NL | |
| 1975 | Tom Seaver | NL | |
| 1974 | Mike Marshall | NL | |
| 1973 | Tom Seaver | NL | |
| 1972 | Steve Carlton | NL | |
| 1971 | Fergie Jenkins | NL | |
| 1970 | Bob Gibson | NL | |
| 1969 | Tom Seaver | NL | |
| 1968 | Bob Gibson | NL | |
| 1967 | Mike McCormick | NL | |
Major Leagues
| Year | Winner | League | Note |
|---|
| 1966 | Sandy Koufax | ML | |
| 1965 | Sandy Koufax | ML | |
| 1964 | Dean Chance | ML | |
| 1963 | Sandy Koufax | ML | |
| 1962 | Don Drysdale | ML | |
| 1961 | Whitey Ford | ML | |
| 1960 | Vern Law | ML | |
| 1959 | Early Wynn | ML | |
| 1958 | Bob Turley | ML | |
| 1957 | Warren Spahn | ML | |
| 1956 | Don Newcombe | ML | |
