. The first awards were given to the best pitcher in the major leagues; in 1967, the practice began of honoring one pitcher in each league.
| Major Leagues Combined |
| 1956 | Don Newcombe, Brooklyn Dodgers (NL) |
| 1957 | Warren Spahn, Milwaukee Braves (NL) |
| 1958 | Bob Turley, New York Yankees (AL) |
| 1959 | Early Wynn, Chicago White Sox (AL) |
| 1960 | Vern Law, Pittsburgh Pirates (NL) |
| 1961 | Whitey Ford, New York Yankees (AL) |
| 1962 | Don Drysdale, Los Angeles Dodgers (NL) |
| 1963 | Sandy Koufax Los Angeles Dodgers (NL) |
| 1964 | Dean Chance Los Angeles Angels (AL) |
| 1965 | Sandy Koufax Los Angeles Dodgers (NL) |
| 1966 | Sandy Koufax Los Angeles Dodgers (NL) |
| National League | American League |
| 1967 | Mike McCormick, San Francisco Giants | Jim Lonborg, Boston Red Sox |
| 1968 | Bob Gibson, Saint Louis Cardinals | Denny McLain, Detroit Tigers |
| 1969 | Tom Seaver, New York Mets | Mike Cuellar, Baltimore Orioles,
Denny McLain, Detroit Tigers |
| 1970 | Bob Gibson, Saint Louis Cardinals | Jim Perry, Minnesota Twins |
| 1971 | Ferguson Jenkins, Chicago Cubs | Vida Blue, Oakland As |
| 1972 | Steve Carlton, Philadelphia Phillies | Gaylord Perry, Cleveland Indians |
| 1973 | Tom Seaver, New York Mets | Jim Palmer, Baltimore Orioles |
| 1974 | Mike Marshall, Los Angeles Dodgers | Catfish Hunter, Oakland As |
| 1975 | Tom Seaver, New York Mets | Jim Palmer, Baltimore Orioles |
| 1976 | Randy Jones, San Diego Padres | Jim Palmer, Baltimore Orioles |
| 1977 | Steve Carlton, Philadelphia Phillies | Sparky Lyle, New York Yankees |
| 1978 | Gaylord Perry, San Diego Padres | Ron Guidry, New York Yankees |
| 1979 | Bruce Sutter, Chicago Cubs | Mike Flanagan, Baltimore Orioles |
| 1980 | Steve Carlton, Philadelphia Phillies | Steve Stone, Baltimore Orioles |
| 1981 | Fernando Valenzuela, Los Angeles Dodgers | Rollie Fingers, Milwaukee Brewers |
| 1982 | Steve Carlton, Philadelphia Phillies | Pete Vuckovich, Milwaukee Brewers |
| 1983 | John Denny, Philadelphia Phillies | La Marr Hoyt, Chicago White Sox |
| 1984 | Rick Sutcliffe, Chicago Cubs | Willie Hernandez, Detroit Tigers |
| 1985 | Dwight Gooden, New York Mets | Bret Saberhagen, Kansas City Royals |
| 1986 | Mike Scott, Houston Astros | Roger Clemens, Boston Red Sox |
| 1987 | Steve Bedrosian, Philadelphia Phillies | Roger Clemens, Boston Red Sox |
| 1988 | Orel Hershiser, Los Angeles Dodgers | Frank Viola, Minnesota Twins |
| 1989 | Mark Davis, San Diego Padres | Bret Saberhagen, Kansas City Royals |
| 1990 | Doug Drabek, Pittsburgh Pirates | Bob Welch, Oakland As |
| 1991 | Tom Glavine, Atlanta Braves | Roger Clemens, Boston Red Sox |
| 1992 | Greg Maddux, Chicago Cubs | Dennis Eckersley, Oakland As |
| 1993 | Greg Maddux, Atlanta Braves | Jack McDowell, Chicago White Sox |
| 1994 | Greg Maddux, Atlanta Braves | David Cone, Kansas City Royals |
| 1995 | Greg Maddux, Atlanta Braves | Randy Johnson, Seattle Mariners |
| 1996 | John Smoltz, Atlanta Braves | Pat Hentgen[?], Toronto Blue Jays |
| 1997 | Pedro Martinez, Montreal Expos | Roger Clemens, Toronto Blue Jays |
| 1998 | Tom Glavine, Atlanta Braves | Roger Clemens, Toronto Blue Jays |
| 1999 | Randy Johnson, Arizona Diamondbacks | Pedro Martinez, Boston Red Sox |
| 2000 | Randy Johnson, Arizona Diamondbacks | Pedro Martinez, Boston Red Sox |
| 2001 | Randy Johnson, Arizona Diamondbacks | Roger Clemens, New York Yankees |
| 2002 | Randy Johnson, Arizona Diamondbacks | Barry Zito, Oakland As |
