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MLB American League Earned Run Average

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
1901Cy Young, Bos1.62
1902Ed Siever, Det1.91
1903Earl Moore, Cle1.77
1904Addie Joss, Cle1.59
1905Rube Waddell, Phi1.48
1906Doc White, Chi1.52
1907Ed Walsh, Chi1.60
1908Addie Joss, Cle1.16
1909Harry Krause, Phi1.39
   
1910Ed Walsh, Chi1.27
1911Vean Gregg, Cle1.81
1912Walter Johnson, Wash1.39
1913Walter Johnson, Wash1.09
1914Dutch Leonard, Bos1.01
1915Smokey Joe Wood, Bos1.49
1916Babe Ruth, Bos1.75
1917Eddie Cicotte, Chi1.53
1918Walter Johnson, Wash1.27
1919Walter Johnson, Wash1.49
   
1920Bob Shawkey, NY2.45
1921Red Faber, Chi2.48
1922Red Faber, Chi2.80
1923Stan Coveleski, Cle2.76
1924Walter Johnson, Wash2.72
1925Stan Coveleski, Wash2.84
1926Lefty Grove, Phi2.51
1927Wilcy Moore, NY2.28
1928Garland Braxton, Wash2.51
1929Lefty Grove, Phi2.81
   
1930Lefty Grove, Phi2.54
1931Lefty Grove, Phi2.06
1932Lefty Grove, Phi2.84
1933Monte Pearson, Cle2.33
1934Lefty Gomez, NY2.33
1935Lefty Grove, Bos2.70
1936Lefty Grove, Bos2.81
1937Lefty Gomez, NY2.33
1938Lefty Grove, Bos3.08
1939Lefty Grove, Bos2.54
   
1940Ernie Bonham, NY1.90
1941Thornton Lee, Chi2.37
1942Ted Lyons, Chi2.10
1943Spud Chandler, NY1.64
1944Dizzy Trout, Det2.12
1945Hal Newhouser, Det1.81
1946Hal Newhouser, Det1.94
1947Spud Chandler, NY2.46
1948Gene Bearden, Cle2.43
1949Mel Parnell, Bos2.77
   
1950Early Wynn, Cle3.20
1951Saul Rogovin, Det-Chi2.78
1952Allie Reynolds, NY2.06
1953Ed Lopat, NY2.42
1954Mike Garcia, Cle2.64
1955Billy Pierce, Chi1.97
1956Whitey Ford, NY2.47
1957Bobby Shantz, NY2.45
1958Whitey Ford, NY2.01
1959Hoyt Wilhelm, Bal2.19
   
1960Frank Baumann, Chi2.67
1961Dick Donovan, Wash2.40
1962Hank Aguirre, Det2.21
1963Gary Peters, Chi2.33
1964Dean Chance, LA1.65
1965Sam McDowell, Cle2.18
1966Gary Peters, Chi1.98
1967Joe Horlen, Chi2.06
1968Luis Tiant, Cle1.60
1969Dick Bosman, Wash2.19
   
1970Diego Segui, Oak2.56
1971Vida Blue, Oak1.82
1972Luis Tiant, Bos1.91
1973Jim Palmer, Bal2.40
1974Catfish Hunter, Oak2.49
1975Jim Palmer, Bal2.09
1976Mark Fidrych, Det2.34
1977Frank Tanana, Cal2.54
1978Ron Guidry, NY1.74
1979Ron Guidry, NY2.78
   
1980Rudy May, NY2.47
1981Steve McCatty, Oak2.32
1982Rick Sutcliffe, Cle2.96
1983Rick Honeycutt, Tex2.42
1984Mike Boddicker, Bal2.79
1985Dave Stieb, Tor2.48
1986Roger Clemens, Bos2.48
1987Jimmy Key, Tor2.76
1988Allan Anderson, Min2.45
1989Bret Saberhagen, KC2.16
   
1990Roger Clemens, Bos1.93
1991Roger Clemens, Bos2.62
1992Roger Clemens, Bos2.41
1993Kevin Appier, KC2.56
1994Steve Ontiveros, Oak2.65
1995Randy Johnson, Sea2.48
1996Juan Guzman, Tor2.93
1997Roger Clemens, Tor2.05
1998Roger Clemens, Tor2.65
1999Pedro Martinez, Bos2.07
   
2000Pedro Martinez, Bos1.74
2001Freddy Garcia, Sea3.05
2002Pedro Martinez, Bos2.26
2003Pedro Martinez, Bos2.22
2004Johan Santana, Min2.61

 

National LeagueEarned Run Average 

 

 
 
National League Earned Run Average Through the Years Earned Run Average