MLB American League Earned Run Average

Updated September 27, 2017 | Infoplease Staff

American League

Multiple winners: Lefty Grove (9); Roger Clemens (6);Walter Johnson (5); Pedro Martinez (4); Spud Chandler, Stan Coveleski, Red Faber, Whitey Ford, Lefty Gomez, Ron Guidry, Addie Joss, Hal Newhouser, Jim Palmer, Gary Peters, Luis Tiant and Ed Walsh (2).

Year   ERA
1901 Cy Young, Bos 1.62
1902 Ed Siever, Det 1.91
1903 Earl Moore, Cle 1.77
1904 Addie Joss, Cle 1.59
1905 Rube Waddell, Phi 1.48
1906 Doc White, Chi 1.52
1907 Ed Walsh, Chi 1.60
1908 Addie Joss, Cle 1.16
1909 Harry Krause, Phi 1.39
     
1910 Ed Walsh, Chi 1.27
1911 Vean Gregg, Cle 1.81
1912 Walter Johnson, Wash 1.39
1913 Walter Johnson, Wash 1.09
1914 Dutch Leonard, Bos 1.01
1915 Smokey Joe Wood, Bos 1.49
1916 Babe Ruth, Bos 1.75
1917 Eddie Cicotte, Chi 1.53
1918 Walter Johnson, Wash 1.27
1919 Walter Johnson, Wash 1.49
     
1920 Bob Shawkey, NY 2.45
1921 Red Faber, Chi 2.48
1922 Red Faber, Chi 2.80
1923 Stan Coveleski, Cle 2.76
1924 Walter Johnson, Wash 2.72
1925 Stan Coveleski, Wash 2.84
1926 Lefty Grove, Phi 2.51
1927 Wilcy Moore, NY 2.28
1928 Garland Braxton, Wash 2.51
1929 Lefty Grove, Phi 2.81
     
1930 Lefty Grove, Phi 2.54
1931 Lefty Grove, Phi 2.06
1932 Lefty Grove, Phi 2.84
1933 Monte Pearson, Cle 2.33
1934 Lefty Gomez, NY 2.33
1935 Lefty Grove, Bos 2.70
1936 Lefty Grove, Bos 2.81
1937 Lefty Gomez, NY 2.33
1938 Lefty Grove, Bos 3.08
1939 Lefty Grove, Bos 2.54
     
1940 Ernie Bonham, NY 1.90
1941 Thornton Lee, Chi 2.37
1942 Ted Lyons, Chi 2.10
1943 Spud Chandler, NY 1.64
1944 Dizzy Trout, Det 2.12
1945 Hal Newhouser, Det 1.81
1946 Hal Newhouser, Det 1.94
1947 Spud Chandler, NY 2.46
1948 Gene Bearden, Cle 2.43
1949 Mel Parnell, Bos 2.77
     
1950 Early Wynn, Cle 3.20
1951 Saul Rogovin, Det-Chi 2.78
1952 Allie Reynolds, NY 2.06
1953 Ed Lopat, NY 2.42
1954 Mike Garcia, Cle 2.64
1955 Billy Pierce, Chi 1.97
1956 Whitey Ford, NY 2.47
1957 Bobby Shantz, NY 2.45
1958 Whitey Ford, NY 2.01
1959 Hoyt Wilhelm, Bal 2.19
     
1960 Frank Baumann, Chi 2.67
1961 Dick Donovan, Wash 2.40
1962 Hank Aguirre, Det 2.21
1963 Gary Peters, Chi 2.33
1964 Dean Chance, LA 1.65
1965 Sam McDowell, Cle 2.18
1966 Gary Peters, Chi 1.98
1967 Joe Horlen, Chi 2.06
1968 Luis Tiant, Cle 1.60
1969 Dick Bosman, Wash 2.19
     
1970 Diego Segui, Oak 2.56
1971 Vida Blue, Oak 1.82
1972 Luis Tiant, Bos 1.91
1973 Jim Palmer, Bal 2.40
1974 Catfish Hunter, Oak 2.49
1975 Jim Palmer, Bal 2.09
1976 Mark Fidrych, Det 2.34
1977 Frank Tanana, Cal 2.54
1978 Ron Guidry, NY 1.74
1979 Ron Guidry, NY 2.78
     
1980 Rudy May, NY 2.47
1981 Steve McCatty, Oak 2.32
1982 Rick Sutcliffe, Cle 2.96
1983 Rick Honeycutt, Tex 2.42
1984 Mike Boddicker, Bal 2.79
1985 Dave Stieb, Tor 2.48
1986 Roger Clemens, Bos 2.48
1987 Jimmy Key, Tor 2.76
1988 Allan Anderson, Min 2.45
1989 Bret Saberhagen, KC 2.16
     
1990 Roger Clemens, Bos 1.93
1991 Roger Clemens, Bos 2.62
1992 Roger Clemens, Bos 2.41
1993 Kevin Appier, KC 2.56
1994 Steve Ontiveros, Oak 2.65
1995 Randy Johnson, Sea 2.48
1996 Juan Guzman, Tor 2.93
1997 Roger Clemens, Tor 2.05
1998 Roger Clemens, Tor 2.65
1999 Pedro Martinez, Bos 2.07
     
2000 Pedro Martinez, Bos 1.74
2001 Freddy Garcia, Sea 3.05
2002 Pedro Martinez, Bos 2.26
2003 Pedro Martinez, Bos 2.22
2004 Johan Santana, Min 2.61

 

National League Earned Run Average  

 

 
Earned Run Average
Sources +
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