List of Major League Baseball ERA champions

Major League Baseball recognizes earned run average champions in the American League and National League each season.

American League

Year	Player	Team(s)	ERA
1901	Template:Player	Boston Americans	1.62
1902	Template:Player	Detroit Tigers	1.91
1903	Template:Player	Cleveland Naps	1.74
1904	Template:Player	Cleveland Naps	1.59
1905	Template:Player	Philadelphia Athletics	1.48
1906	Template:Player	Chicago White Sox	1.52
1907	Template:Player	Chicago White Sox	1.60
1908	Template:Player	Cleveland Naps	1.16
1909	Template:Player	Philadelphia Athletics	1.39
1910	Template:Player	Chicago White Sox	1.27
1911	Template:Player	Cleveland Naps	1.80
1912	Template:Player	Washington Senators	1.39
1913	Template:Player	Washington Senators	1.14
1914	Template:Player	Boston Red Sox	0.96
1915	Template:Player	Boston Red Sox	1.49
1916	Template:Player	Boston Red Sox	1.75
1917	Template:Player	Chicago White Sox	1.53
1918	Template:Player	Washington Senators	1.27
1919	Template:Player	Washington Senators	1.49
1920	Template:Player	New York Yankees	2.45
1921	Template:Player	Chicago White Sox	2.48
1922	Template:Player	Chicago White Sox	2.81
1923	Template:Player	Cleveland Indians	2.76
1924	Template:Player	Washington Senators	2.72
1925	Template:Player	Washington Senators	2.84
1926	Template:Player	Philadelphia Athletics	2.51
1927	Template:Player	New York Yankees	2.28
1928	Template:Player	Washington Senators	2.51
1929	Template:Player	Philadelphia Athletics	2.81
1930	Template:Player	Philadelphia Athletics	2.54
1931	Template:Player	Philadelphia Athletics	2.06
1932	Template:Player	Philadelphia Athletics	2.84
1933	Template:Player	Cleveland Indians	2.95
1934	Template:Player	New York Yankees	2.33
1935	Template:Player	Boston Red Sox	2.70
1936	Template:Player	Boston Red Sox	2.81
1937	Template:Player	New York Yankees	2.33
1938	Template:Player	Boston Red Sox	3.08
1939	Template:Player	Boston Red Sox	2.54
1940	Template:Player	Cleveland Indians	2.61
1941	Template:Player	Chicago White Sox	2.37
1942	Template:Player	Chicago White Sox	2.10
1943	Template:Player	New York Yankees	1.64
1944	Template:Player	Detroit Tigers	2.12
1945	Template:Player	Detroit Tigers	1.81
1946	Template:Player	Detroit Tigers	1.94
1947	Template:Player	Chicago White Sox	2.42
1948	Template:Player	Cleveland Indians	2.43
1949	Template:Player	Cleveland Indians	2.36
1950	Template:Player	Cleveland Indians	3.20
1951	Template:Player	Chicago White Sox Detroit Tigers	2.78
1952	Template:Player	New York Yankees	2.06
1953	Template:Player	New York Yankees	2.42
1954	Template:Player	Cleveland Indians	2.64
1955	Template:Player	Chicago White Sox	1.97
1956	Template:Player	New York Yankees	2.47
1957	Template:Player	New York Yankees	2.45
1958	Template:Player	New York Yankees	2.01
1959	Template:Player	Baltimore Orioles	2.19
1960	Template:Player	Chicago White Sox	2.67
1961	Template:Player	Washington Senators	2.40
1962	Template:Player	Detroit Tigers	2.21
1963	Template:Player	Chicago White Sox	2.33
1964	Template:Player	Los Angeles Angels	1.65
1965	Template:Player	Cleveland Indians	2.18
1966	Template:Player	Chicago White Sox	1.98
1967	Template:Player	Chicago White Sox	2.06
1968	Template:Player	Cleveland Indians	1.60
1969	Template:Player	Washington Senators	2.19
1970	Template:Player	Oakland Athletics	2.56
1971	Template:Player	Oakland Athletics	1.82
1972	Template:Player	Boston Red Sox	1.91
1973	Template:Player	Baltimore Orioles	2.40
1974	Template:Player	Oakland Athletics	2.49
1975	Template:Player	Baltimore Orioles	2.09
1976	Template:Player	Detroit Tigers	2.34
1977	Template:Player	California Angels	2.54
1978	Template:Player	New York Yankees	1.74
1979	Template:Player	New York Yankees	2.78
1980	Template:Player	New York Yankees	2.46
1981	Template:Player	Baltimore Orioles	2.32
1982	Template:Player	Cleveland Indians	2.96
1983	Template:Player	Texas Rangers	2.42
1984	Template:Player	Baltimore Orioles	2.79
1985	Template:Player	Toronto Blue Jays	2.48
1986	Template:Player	Boston Red Sox	2.48
1987	Template:Player	Toronto Blue Jays	2.76
1988	Template:Player	Minnesota Twins	2.45
1989	Template:Player	Kansas City Royals	2.16
1990	Template:Player	Boston Red Sox	1.93
1991	Template:Player	Boston Red Sox	2.62
1992	Template:Player	Boston Red Sox	2.41
1993	Template:Player	Kansas City Royals	2.56
1994	Template:Player	Oakland Athletics	2.65
1995	Template:Player	Seattle Mariners	2.48
1996	Template:Player	Toronto Blue Jays	2.93
1997	Template:Player	Toronto Blue Jays	2.05
1998	Template:Player	Toronto Blue Jays	2.65
1999	Template:Player	Boston Red Sox	2.07
2000	Template:Player	Boston Red Sox	1.74
2001	Template:Player	Seattle Mariners	3.05
2002	Template:Player	Boston Red Sox	2.26
2003	Template:Player	Boston Red Sox	2.22
2004	Template:Player	Minnesota Twins	2.61
2005	Template:Player	Cleveland Indians	2.86
2006	Template:Player	Minnesota Twins	2.77
2007	Template:Player	Los Angeles Angels	3.01
2008	Template:Player	Cleveland Indians	2.54
2009	Template:Player	Kansas City Royals	2.16
2010	Template:Player	Seattle Mariners	2.27
2011	Template:Player	Detroit Tigers	2.40
2012	Template:Player	Tampa Bay Rays	2.56

National League

Year	Player	Team(s)	ERA
1876	Template:Player	St. Louis Brown Stockings	1.23
1877	Template:Player	Boston Red Caps	2.11
1878	Template:Player	Providence Grays	1.51
1879	Template:Player	Boston Red Caps	1.96
1880	Template:Player	Troy Trojans	0.86
1881	Template:Player	Detroit Wolverines	1.80
1882	Template:Player	Chicago White Stockings	1.95
1883	Template:Player	Cleveland Blues	1.84
1884	Template:Player	Providence Grays	1.38
1885	Template:Player	New York Giants	1.58
1886	Template:Player	St. Louis Maroons	1.76
1887	Template:Player	Philadelphia Quakers	2.86
1888	Template:Player	New York Giants	1.74
1889	Template:Player	Boston Beaneaters	2.73
1890	Template:Player	Cincinnati Reds	1.95
1891	Template:Player	New York Giants	2.27
1892	Template:Player	Cleveland Spiders	1.93
1893	Template:Player	St. Louis Browns	3.18
1894	Template:Player	New York Giants	2.78
1895	Template:Player	Washington Senators	2.45
1896	Template:Player	Cincinnati Reds	2.45
1897	Template:Player	New York Giants	2.54
1898	Template:Player	Chicago Orphans	1.88
1899	Template:Player	Boston Beaneaters	2.50
1900	Template:Player	Pittsburgh Pirates	2.37
1901	Template:Player	Pittsburgh Pirates	2.18
1902	Template:Player	Chicago Orphans	1.33
1903	Template:Player	Pittsburgh Pirates	2.06
1904	Template:Player	New York Giants	1.61
1905	Template:Player	New York Giants	1.28
1906	Template:Player	Chicago Cubs	1.04
1907	Template:Player	Chicago Cubs	1.15
1908	Template:Player	New York Giants	1.43
1909	Template:Player	New York Giants	1.14
1910	Template:Player	Chicago Cubs	1.80
1911	Template:Player	New York Giants	1.99
1912	Template:Player	New York Giants	1.96
1913	Template:Player	New York Giants	2.06
1914	Template:Player	St. Louis Cardinals	1.72
1915	Template:Player	Philadelphia Phillies	1.22
1916	Template:Player	Philadelphia Phillies	1.55
1917	Template:Player	New York Giants	1.44
1918	Template:Player	Chicago Cubs	1.74
1919	Template:Player	Chicago Cubs	1.72
1920	Template:Player	Chicago Cubs	1.91
1921	Template:Player	St. Louis Cardinals	2.59
1922	Template:Player	New York Giants	2.63
1923	Template:Player	Cincinnati Reds	1.93
1924	Template:Player	Brooklyn Robins	2.16
1925	Template:Player	Cincinnati Reds	2.63
1926	Template:Player	Pittsburgh Pirates	2.61
1927	Template:Player	Pittsburgh Pirates	2.47
1928	Template:Player	Brooklyn Robins	2.09
1929	Template:Player	New York Giants	3.09
1930	Template:Player	Brooklyn Robins	2.61
1931	Template:Player	New York Giants	2.26
1932	Template:Player	Chicago Cubs	2.37
1933	Template:Player	New York Giants	1.66
1934	Template:Player	New York Giants	2.30
1935	Template:Player	Pittsburgh Pirates	2.58
1936	Template:Player	New York Giants	2.31
1937	Template:Player	Boston Bees	2.38
1938	Template:Player	Chicago Cubs	2.66
1939	Template:Player	Cincinnati Reds	2.29
1940	Template:Player	Cincinnati Reds	2.48
1941	Template:Player	Cincinnati Reds	2.24
1942	Template:Player	St. Louis Cardinals	1.78
1943	Template:Player	St. Louis Cardinals	1.90
1944	Template:Player	Cincinnati Reds	2.38
1945	Template:Player	Chicago Cubs	2.40
1946	Template:Player	St. Louis Cardinals	2.10
1947	Template:Player	Boston Braves	2.33
1948	Template:Player	St. Louis Cardinals	2.24
1949	Template:Player	New York Giants	2.50
1950	Template:Player	New York Giants	2.71
1951	Template:Player	Boston Braves	2.88
1952	Template:Player	New York Giants	2.43
1953	Template:Player	Milwaukee Braves	2.10
1954	Template:Player	New York Giants	2.30
1955	Template:Player	Pittsburgh Pirates	2.83
1956	Template:Player	Milwaukee Braves	2.70
1957	Template:Player	Brooklyn Dodgers	2.66
1958	Template:Player	San Francisco Giants	2.47
1959	Template:Player	San Francisco Giants	2.83
1960	Template:Player	San Francisco Giants	2.70
1961	Template:Player	Milwaukee Braves	3.02
1962	Template:Player	Los Angeles Dodgers	2.54
1963	Template:Player	Los Angeles Dodgers	1.88
1964	Template:Player	Los Angeles Dodgers	1.74
1965	Template:Player	Los Angeles Dodgers	2.04
1966	Template:Player	Los Angeles Dodgers	1.73
1967	Template:Player	Atlanta Braves	1.87
1968	Template:Player	St. Louis Cardinals	1.12
1969	Template:Player	San Francisco Giants	2.10
1970	Template:Player	New York Mets	2.82
1971	Template:Player	New York Mets	1.76
1972	Template:Player	Philadelphia Phillies	1.97
1973	Template:Player	New York Mets	2.08
1974	Template:Player	Atlanta Braves	2.28
1975	Template:Player	San Diego Padres	2.24
1976	Template:Player	St. Louis Cardinals	2.52
1977	Template:Player	Pittsburgh Pirates	2.34
1978	Template:Player	New York Mets	2.43
1979	Template:Player	Houston Astros	2.71
1980	Template:Player	Los Angeles Dodgers	2.20
1981	Template:Player	Houston Astros	1.69
1982	Template:Player	Montreal Expos	2.40
1983	Template:Player	San Francisco Giants	2.25
1984	Template:Player	Los Angeles Dodgers	2.48
1985	Template:Player	New York Mets	1.53
1986	Template:Player	Houston Astros	2.22
1987	Template:Player	Houston Astros	2.76
1988	Template:Player	St. Louis Cardinals	2.18
1989	Template:Player	San Francisco Giants	2.28
1990	Template:Player	Houston Astros	2.21
1991	Template:Player	Montreal Expos	2.39
1992	Template:Player	San Francisco Giants	2.08
1993	Template:Player	Atlanta Braves	2.36
1994	Template:Player	Atlanta Braves	1.56
1995	Template:Player	Atlanta Braves	1.63
1996	Template:Player	Florida Marlins	1.89
1997	Template:Player	Montreal Expos	1.90
1998	Template:Player	Atlanta Braves	2.22
1999	Template:Player	Arizona Diamondbacks	2.48
2000	Template:Player	Los Angeles Dodgers	2.58
2001	Template:Player	Arizona Diamondbacks	2.49
2002	Template:Player	Arizona Diamondbacks	2.32
2003	Template:Player	San Francisco Giants	2.34
2004	Template:Player	San Diego Padres	2.27
2005	Template:Player	Houston Astros	1.87
2006	Template:Player	Houston Astros	2.98
2007	Template:Player	San Diego Padres	2.54
2008	Template:Player	New York Mets	2.53
2009	Template:Player	St. Louis Cardinals	2.24
2010	Template:Player	Florida Marlins	2.30
2011	Template:Player	Los Angeles Dodgers	2.28
2012	Template:Player	Los Angeles Dodgers	2.53

American Association

Year	Player	Team(s)	ERA
1882	Template:Player	Pittsburgh Alleghenys	1.21
1883	Template:Player	Cincinnati Red Stockings	2.09
1884	Template:Player	Louisville Eclipse	1.80
1885	Template:Player	St. Louis Browns	2.07
1886	Template:Player	St. Louis Browns	2.11
1887	Template:Player	Cincinnati Red Stockings	2.94
1888	Template:Player	St. Louis Browns	1.64
1889	Template:Player	St. Louis Browns	2.25
1890	Template:Player	Louisville Colonels	2.36
1891	Template:Player	Cincinnati Kelly's Killers	2.45

Federal League

Year	Player	Team(s)	ERA
1914	Template:Player	Chicago Chi-Feds	1.69
1915	Template:Player	Newark Pepper	1.91

Player's League

Year	Player	Team(s)	ERA
1890	Template:Player	Chicago Pirates	2.69

Union Association

Year	Player	Team(s)	ERA
1890	Template:Player	Cincinnati Outlaw Reds	1.54

National Association

Year	Player	Team(s)	ERA
1871	Template:Player	Chicago White Stockings	2.73
1872	Template:Player	Boston Red Stockings	1.98
1873	Template:Player	Athletic of Philadelphia	1.81
1874	Template:Player	New York Mutuals	2.30
1875	Template:Player	Boston Red Stockings	1.52

References

• Baseball-Reference.com