| Index | ||||||
| Baseball | ||||||
| Pitching - Earned Run Average Winners | ||||||
| Player underlined is Major League champion | ||||||
| American League | National League | |||||
| 1960 | Frank Baumann | Chicago White Sox | 2.67 | Mike McCormick | San Francisco Giants | 2.70. |
| 1961 | Dick Donovan | Washington Senators | 2.40. | Warren Spahn | Milwaukee Brewers | 3.01 |
| 1962 | Hank Aguirre | Detroit Tigers | 2.21 | Sandy Koufax | Los Angeles Dodgers | 2.54 |
| 1963 | Gary Peters | Chicago White Sox | 2.33 | Sandy Koufax | Los Angeles Dodgers | 1.88 |
| 1964 | Dean Chance | Los Angeles Angels | 1.65 | Sandy Koufax | Los Angeles Dodgers | 1.74 |
| 1965 | Sam McDowell | Cleveland Indians | 2.18 | Sandy Koufax | Los Angeles Dodgers | 2.04 |
| 1966 | Gary Peters | Chicago White Sox | 1.98 | Sandy Koufax | Los Angeles Dodgers | 1.73 |
| 1967 | Joe Horlen | Chicago White Sox | 2.06 | Phil Niekro | Atlanta Braves | 1.87 |
| 1968 | Luis Tiant | Cleveland Indians | 1.60. | Bob Gibson | St Louis Cardinals | 1.12 |
| 1969 | Dick Bosman | Washington Senators | 2.19 | Juan Marichal | San Francisco Giants | 2.10. |
| 1970 | Diego Segui | Oakland Athletics | 2.56 | Tom Seaver | New York Mets | 2.81 |
| 1971 | Vida Blue | Oakland Athletics | 1.82 | Tom Seaver | New York Mets | 1.76 |
| 1972 | Luis Tiant | Boston Red Sox | 1.91 | Steve Carlton | Philadelphia Phillies | 1.98 |
| 1973 | Jim Palmer | Baltimore Orioles | 2.40. | Tom Seaver | New York Mets | 2.08 |
| 1974 | Jim Hunter | Oakland Athletics | 2.49 | Buzz Capra | Atlanta Braves | 2.28 |
| 1975 | Jim Palmer | Baltimore Orioles | 2.09 | Randy Jones | San Diego Padres | 2.24 |
| 1976 | Mark Fidrych | Detroit Tigers | 2.34 | John Denny | St Louis Cardinals | 2.52 |
| 1977 | Frank Tanana | California Angels | 2.54 | John Candelaria | Pittsburgh Pirates | 2.34 |
| 1978 | Ron Guidry | New York Yankees | 1.74 | Craig Swan | New York Mets | 2.43 |
| 1979 | Ron Guidry | New York Yankees | 2.78 | J.R. Richard | Houston Astros | 2.71 |
| 1980 | Rudy May | New York Yankees | 2.47 | Don Sutton | Los Angeles Dodgers | 2.21 |
| 1981 | Steve McCatty | Oakland Athletics | 2.32 | Nolan Ryan | Houston Astros | 1.69 |
| 1982 | Rick Sutcliffe | Cleveland Indians | 2.96 | Steve Rogers | Montreal Expos | 2.40. |
| 1983 | Rick Honeycutt | Texas Rangers | 2.42 | Atlee Hammaker | San Francisco Giants | 2.25 |
| 1984 | Mike Boddicker | Baltimore Orioles | 2.79 | Alejandro Pena | Los Angeles Dodgers | 2.48 |
| 1985 | Dave Stieb | Toronto Blue Jays | 2.48 | Dwight Gooden | New York Mets | 1.53 |
| 1986 | Roger Clemens | Boston Red Sox | 2.48 | Mike Scott | Houston Astros | 2.22 |
| 1987 | Jimmy Key | Toronto Blue Jays | 2.76 | Nolan Ryan | Houston Astros | 2.76 |
| 1988 | Allan Anderson | Minnesota Twins | 2.45 | Joe Magrane | St Louis Cardinals | 2.18 |
| 1989 | Bret Saberhagen | Kansas City Royals | 2.16 | Scott Garrelts | San Francisco Giants | 2.28 |
| 1990 | Roger Clemens | Boston Red Sox | 1.93 | Danny Darwin | Houston Astros | 2.21 |
| 1991 | Roger Clemens | Boston Red Sox | 2.62 | Dennis Martinez | Montreal Expos | 2.39 |
| 1992 | Roger Clemens | Boston Red Sox | 2.41 | Bill Swift | San Francisco Giants | 2.08 |
| 1993 | Kevin Appier | Kansas City Royals | 2.56 | Greg Maddux | Atlanta Braves | 2.36 |
| 1994 | Steve Ontiveros | Oakland Athletics | 2.65 | Greg Maddux | Atlanta Braves | 1.56 |
| 1995 | Randy Johnson | Seattle Mariners | 2.48 | Greg Maddux | Atlanta Braves | 1.63 |
| 1996 | Juan Guzman | Toronto Blue Jays | 2.93 | Kevin Brown | Florida Marlins | 1.89 |
| 1997 | Roger Clemens | Toronto Blue Jays | 2.05 | Pedro Martinez | Montreal Expos | 1.90. |
| 1998 | Roger Clemens | Toronto Blue Jays | 2.65 | Greg Maddux | Atlanta Braves | 2.22 |
| 1999 | Pedro Martinez | Boston Red Sox | 2.07 | Randy Johnson | Arizona Diamondbacks | 2.48 |
| 2000 | Pedro Martinez | Boston Red Sox | 1.74 | Kevin Brown | Los Angeles Dodgers | 2.58 |
| 2001 | Freddy Garcia | Seattle Mariners | 3.05 | Randy Johnson | Arizona Diamondbacks | 2.49 |
| 2002 | Pedro Martinez | Boston Red Sox | 2.26 | Randy Johnson | Arizona Diamondbacks | 2.32 |
| 2003 | Pedro Martinez | Boston Red Sox | 2.22 | Jason Schmidt | San Francisco Giants | 2.34 |
| 2004 | Johan Santana | Minnesota Twins | 2.61 | Jake Peavy | San Diego Padres | 2.27 |
| 2005 | Kevin Millwood | Cleveland Indians | 2.86 | Roger Clemens | Houston Astros | 1.87 |
| 2006 | Johan Santana | Minnesota Twins | 2.77 | Roy Oswalt | Houston Astros | 2.98 |
| 2007 | John Lackey | Los Angeles Angels | 3.01 | Jake Peavy | San Diego Padres | 2.36 |
| 2008 | Cliff Lee | Cleveland Indians | 2.54 | Johan Santana | New York Mets | 2.53 |
| 2009 | Zack Greinke | Kansas City Royals | 2.06 | Chris Carpenter | St Louis Cardinals | 2.24 |
| 2010 | Felix Hernandez | Seattle Mariners | 2.27 | Josh Johnson | Florida Marlins | 2.30 |
| 2011 | Justin Verlander | Detroit Tigers | 2.40 | Clayton Kershaw | Los Angeles Dodgers | 2.28 |
| 2012 | David Price | Tampa Bay Rays | 2.56 | Clayton Kershaw | Los Angeles Dodgers | 2.53 |
| 2013 | Anibal Sanchez | Detroit Tigers | 2.57 | Clayton Kershaw | Los Angeles Dodgers | 1.83 |
| 2014 | Felix Hernandez | Seattle Mariners | 2.14 | Clayton Kershaw | Los Angeles Dodgers | 1.77 |
| 2015 |
David Price |
Toronto Blue Jays |
2.45 |
Zack Greinke |
Los Angeles Dodgers |
1.66 |
| 2016 |
Aaron Sanchez |
Toronto Blue Jays |
3.00 |
Kyle Hendricks |
Chicago Cubs |
2.13 |
| 2017 |
Corey Kluber |
Cleveland Indians |
2.25 |
Clayton Kershaw |
Los Angeles Dodgers |
2.31 |
| 2018 |
Blake Snell |
Tampa Bay Rays |
1.89 |
Jacob deGrom |
New York Nets |
1.70 |
| 2019 |
Gerrit Cole |
Houston Astros |
2.50 |
Hyun-Jin Ryu |
Los Angeles Dodgers |
2.32 |