Progressive Leaders & Records for Earned Run Average

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Table
Year Career ERA   Single-Season ERA   ActiveERA   Yearly ERA
1871 George Zettlein 2.73 George Zettlein 2.73
1872 Cherokee Fisher 1.80 Cherokee Fisher 1.80
1873 Al Spalding+ 2.67 Cherokee Fisher 1.80 Al Spalding+ 2.67 Cherokee Fisher 1.81
1874 Al Spalding+ 2.41 Dick McBride 1.65 Al Spalding+ 2.41 Dick McBride 1.64
1875 Al Spalding+ 2.21 Pud Galvin+ 1.16 Al Spalding+ 2.21 Pud Galvin+ 1.16
1876 George Bradley 1.66 George Bradley 1.23 George Bradley 1.66 George Bradley 1.23
1877 Tommy Bond 1.85 George Bradley 1.23 Tommy Bond 1.85 Tommy Bond 2.11
1878 Jim Devlin 1.90 George Bradley 1.23 Tommy Bond 1.90 John Ward+ 1.51
1879 Jim Devlin 1.90 George Bradley 1.23 Tommy Bond 1.91 Tommy Bond 1.96
1880 John Ward+ 1.85 Tim Keefe+ 0.86 John Ward+ 1.85 Tim Keefe+ 0.86
1881 Jim Devlin 1.90 Tim Keefe+ 0.86 John Ward+ 1.90 George Weidman 1.80
1882 Jim Devlin 1.90 Tim Keefe+ 0.86 Will White 1.92 Denny Driscoll 1.21
1883 Jim Devlin 1.90 Tim Keefe+ 0.86 Will White 1.95 Jim McCormick 1.84
1884 Jim Devlin 1.90 Tim Keefe+ 0.86 Old Hoss Radbourn+ 1.91 Old Hoss Radbourn+ 1.38
1885 Jim Devlin 1.90 Tim Keefe+ 0.86 Old Hoss Radbourn+ 1.96 Tim Keefe+ 1.58
1886 Jim Devlin 1.90 Tim Keefe+ 0.86 Old Hoss Radbourn+ 2.13 Henry Boyle 1.76
1887 Jim Devlin 1.90 Tim Keefe+ 0.86 Larry Corcoran 2.36 Dan Casey 2.86
1888 Jim Devlin 1.90 Tim Keefe+ 0.86 Tim Keefe+ 2.39 Silver King 1.63
1889 Jim Devlin 1.90 Tim Keefe+ 0.86 Tim Keefe+ 2.47 Jack Stivetts 2.25
1890 Jim Devlin 1.90 Tim Keefe+ 0.86 Tim Keefe+ 2.52 Billy Rhines 1.95
1891 Jim Devlin 1.90 Tim Keefe+ 0.86 Tim Keefe+ 2.58 John Ewing 2.27
1892 Jim Devlin 1.90 Tim Keefe+ 0.86 Kid Nichols+ 2.49 Cy Young+ 1.93
1893 Jim Devlin 1.90 Tim Keefe+ 0.86 Tim Keefe+ 2.63 Theodore Breitenstein 3.18
1894 Jim Devlin 1.90 Tim Keefe+ 0.86 John Clarkson+ 2.81 Amos Rusie+ 2.78
1895 Jim Devlin 1.90 Tim Keefe+ 0.86 Silver King 3.05 Al Maul 2.45
1896 Jim Devlin 1.90 Tim Keefe+ 0.86 Amos Rusie+ 3.09 Billy Rhines 2.45
1897 Jim Devlin 1.90 Tim Keefe+ 0.86 Amos Rusie+ 3.04 Amos Rusie+ 2.54
1898 Jim Devlin 1.90 Tim Keefe+ 0.86 Kid Nichols+ 2.97 Clark Griffith+ 1.88
1899 Jim Devlin 1.90 Tim Keefe+ 0.86 Kid Nichols+ 2.97 Vic Willis+ 2.50
1900 Jim Devlin 1.90 Tim Keefe+ 0.86 Kid Nichols+ 2.98 Rube Waddell+ 2.37
1901 Jim Devlin 1.90 Tim Keefe+ 0.86 Vic Willis+ 2.88 Cy Young+ 1.62
1902 Jim Devlin 1.90 Tim Keefe+ 0.86 Deacon Phillippe 2.59 Jack Taylor 1.29
1903 Jim Devlin 1.90 Tim Keefe+ 0.86 Christy Mathewson+ 2.36 Earl Moore 1.74
1904 Jim Devlin 1.90 Tim Keefe+ 0.86 Christy Mathewson+ 2.28 Addie Joss+ 1.59
1905 Jim Devlin 1.90 Tim Keefe+ 0.86 Christy Mathewson+ 2.08 Christy Mathewson+ 1.28
1906 Jim Devlin 1.90 Tim Keefe+ 0.86 Addie Joss+ 2.08 Mordecai Brown+ 1.04
1907 Mordecai Brown+ 1.77 Tim Keefe+ 0.86 Mordecai Brown+ 1.77 Jack Pfiester 1.15
1908 Mordecai Brown+ 1.70 Tim Keefe+ 0.86 Mordecai Brown+ 1.70 Addie Joss+ 1.16
1909 Mordecai Brown+ 1.63 Tim Keefe+ 0.86 Mordecai Brown+ 1.63 Christy Mathewson+ 1.14
1910 Ed Walsh+ 1.61 Tim Keefe+ 0.86 Ed Walsh+ 1.61 Ed Walsh+ 1.27
1911 Ed Walsh+ 1.70 Tim Keefe+ 0.86 Ed Walsh+ 1.70 Vean Gregg 1.80
1912 Walter Johnson+ 1.69 Tim Keefe+ 0.86 Walter Johnson+ 1.69 Walter Johnson+ 1.39
1913 Walter Johnson+ 1.60 Tim Keefe+ 0.86 Walter Johnson+ 1.60 Walter Johnson+ 1.14
1914 Walter Johnson+ 1.62 Tim Keefe+ 0.86 Walter Johnson+ 1.62 Dutch Leonard 0.96
1915 Walter Johnson+ 1.61 Tim Keefe+ 0.86 Walter Johnson+ 1.61 Grover Alexander+ 1.22
1916 Walter Johnson+ 1.64 Tim Keefe+ 0.86 Walter Johnson+ 1.64 Grover Alexander+ 1.55
1917 Walter Johnson+ 1.70 Tim Keefe+ 0.86 Walter Johnson+ 1.70 Fred Anderson 1.44
1918 Walter Johnson+ 1.66 Tim Keefe+ 0.86 Walter Johnson+ 1.66 Walter Johnson+ 1.27
1919 Walter Johnson+ 1.65 Tim Keefe+ 0.86 Walter Johnson+ 1.65 Walter Johnson+ 1.49
1920 Walter Johnson+ 1.70 Tim Keefe+ 0.86 Walter Johnson+ 1.70 Dave Brown 1.82
1921 Walter Johnson+ 1.80 Tim Keefe+ 0.86 Walter Johnson+ 1.80 Bullet Rogan+ 1.72
1922 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Walter Johnson+ 1.87 Lewis Hampton 2.49
1923 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Walter Johnson+ 1.96 Dolf Luque 1.93
1924 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Walter Johnson+ 2.00 Dave Brown 2.00
1925 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Walter Johnson+ 2.04 Bill Foster+ 1.62
1926 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Walter Johnson+ 2.11 Bill Foster+ 1.80
1927 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Walter Johnson+ 2.17 Bill Foster+ 2.03
1928 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Babe Ruth+ 2.25 Jimmy Shields 1.51
1929 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Babe Ruth+ 2.25 Chet Brewer 1.93
1930 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Babe Ruth+ 2.26 Lefty Grove+ 2.54
1931 Ed Walsh+ 1.82 Tim Keefe+ 0.86 Babe Ruth+ 2.26 Logan Hensley 1.63
1932 Ed Walsh+ 1.82 Roy Parnell 0.83 Babe Ruth+ 2.26 Roy Parnell 0.83
1933 Ed Walsh+ 1.82 Roy Parnell 0.83 Babe Ruth+ 2.28 Carl Hubbell+ 1.66
1934 Ed Walsh+ 1.82 Roy Parnell 0.83 Bill Foster+ 2.48 Slim Jones 1.29
1935 Ed Walsh+ 1.82 Roy Parnell 0.83 Bill Foster+ 2.50 Leroy Matlock 1.52
1936 Ed Walsh+ 1.82 Roy Parnell 0.83 Bill Foster+ 2.56 Carl Hubbell+ 2.31
1937 Ed Walsh+ 1.82 Roy Parnell 0.83 Bill Foster+ 2.63 Eugene Bremer 1.47
1938 Ed Walsh+ 1.82 Roy Parnell 0.83 Bullet Rogan+ 2.65 Ray Brown+ 1.88
1939 Ed Walsh+ 1.82 Roy Parnell 0.83 Carl Hubbell+ 2.80 Roy Partlow 1.74
1940 Ed Walsh+ 1.82 Roy Parnell 0.83 Carl Hubbell+ 2.86 George Walker 1.29
1941 Ed Walsh+ 1.82 Roy Parnell 0.83 Carl Hubbell+ 2.89 Gready McKinnis 1.04
1942 Ed Walsh+ 1.82 Roy Parnell 0.83 Carl Hubbell+ 2.94 Roy Partlow 1.69
1943 Ed Walsh+ 1.82 Roy Parnell 0.83 Satchel Paige+ 2.60 Spud Chandler 1.64
1944 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.48 Robert Keyes 0.64
1945 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.56 Garnett Blair 0.96
1946 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.52 Satchel Paige+ 1.29
1947 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.52 Gene Richardson 1.33
1948 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.52 Bill Ricks 1.56
1949 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.55 Mike Garcia 2.36
1950 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.55 Sal Maglie 2.71
1951 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.64 Saul Rogovin 2.78
1952 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.68 Allie Reynolds 2.06
1953 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.73 Warren Spahn+ 2.10
1954 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.73 Johnny Antonelli 2.30
1955 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.73 Billy Pierce 1.97
1956 Ed Walsh+ 1.82 Robert Keyes 0.64 Whitey Ford+ 2.73 Whitey Ford+ 2.47
1957 Ed Walsh+ 1.82 Robert Keyes 0.64 Whitey Ford+ 2.71 Bobby Shantz 2.45
1958 Ed Walsh+ 1.82 Robert Keyes 0.64 Whitey Ford+ 2.60 Whitey Ford+ 2.01
1959 Ed Walsh+ 1.82 Robert Keyes 0.64 Whitey Ford+ 2.66 Hoyt Wilhelm+ 2.19
1960 Ed Walsh+ 1.82 Robert Keyes 0.64 Whitey Ford+ 2.70 Frank Baumann 2.67
1961 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.73 Dick Donovan 2.40
1962 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.73 Hank Aguirre 2.21
1963 Ed Walsh+ 1.82 Robert Keyes 0.64 Satchel Paige+ 2.73 Sandy Koufax+ 1.88
1964 Ed Walsh+ 1.82 Robert Keyes 0.64 Hoyt Wilhelm+ 2.68 Dean Chance 1.65
1965 Ed Walsh+ 1.82 Robert Keyes 0.64 Hoyt Wilhelm+ 2.61 Sandy Koufax+ 2.04
1966 Ed Walsh+ 1.82 Robert Keyes 0.64 Hoyt Wilhelm+ 2.57 Sandy Koufax+ 1.73
1967 Ed Walsh+ 1.82 Robert Keyes 0.64 Gary Peters 2.50 Phil Niekro+ 1.87
1968 Ed Walsh+ 1.82 Robert Keyes 0.64 Hoyt Wilhelm+ 2.47 Bob Gibson+ 1.12
1969 Ed Walsh+ 1.82 Robert Keyes 0.64 Hoyt Wilhelm+ 2.46 Juan Marichal+ 2.10
1970 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.49 Diego Seguí 2.56
1971 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.34 Tom Seaver+ 1.76
1972 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.43 Luis Tiant 1.91
1973 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.38 Tom Seaver+ 2.08
1974 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.47 Buzz Capra 2.28
1975 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.46 Jim Palmer+ 2.09
1976 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.47 Mark Fidrych 2.34
1977 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.48 John Candelaria 2.34
1978 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.51 Ron Guidry 1.74
1979 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.55 J.R. Richard 2.71
1980 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.60 Don Sutton+ 2.20
1981 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.60 Nolan Ryan+ 1.69
1982 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.68 Steve Rogers 2.40
1983 Ed Walsh+ 1.82 Robert Keyes 0.64 Tom Seaver+ 2.73 Atlee Hammaker 2.25
1984 Ed Walsh+ 1.82 Robert Keyes 0.64 Kent Tekulve 2.64 Alejandro Peña 2.48
1985 Ed Walsh+ 1.82 Robert Keyes 0.64 Kent Tekulve 2.70 Dwight Gooden 1.53
1986 Ed Walsh+ 1.82 Robert Keyes 0.64 Kent Tekulve 2.69 Mike Scott 2.22
1987 Ed Walsh+ 1.82 Robert Keyes 0.64 Kent Tekulve 2.72 Jimmy Key 2.76
1988 Ed Walsh+ 1.82 Robert Keyes 0.64 Dwight Gooden 2.62 Joe Magrane 2.18
1989 Ed Walsh+ 1.82 Robert Keyes 0.64 Dwight Gooden 2.64 Bret Saberhagen 2.16
1990 Ed Walsh+ 1.82 Robert Keyes 0.64 Orel Hershiser 2.71 Roger Clemens 1.93
1991 Ed Walsh+ 1.82 Robert Keyes 0.64 Orel Hershiser 2.77 Dennis Martínez 2.39
1992 Ed Walsh+ 1.82 Robert Keyes 0.64 Roger Clemens 2.80 Bill Swift 2.08
1993 Ed Walsh+ 1.82 Robert Keyes 0.64 Lee Smith+ 2.91 Greg Maddux+ 2.36
1994 Ed Walsh+ 1.82 Robert Keyes 0.64 Lee Smith+ 2.93 Greg Maddux+ 1.56
1995 Ed Walsh+ 1.82 Robert Keyes 0.64 Greg Maddux+ 2.88 Greg Maddux+ 1.63
1996 Ed Walsh+ 1.82 Robert Keyes 0.64 Greg Maddux+ 2.86 Kevin Brown 1.89
1997 Ed Walsh+ 1.82 Robert Keyes 0.64 Greg Maddux+ 2.81 Pedro Martinez+ 1.90
1998 Ed Walsh+ 1.82 Robert Keyes 0.64 John Franco 2.64 Greg Maddux+ 2.22
1999 Ed Walsh+ 1.82 Robert Keyes 0.64 John Franco 2.64 Pedro Martinez+ 2.07
2000 Ed Walsh+ 1.82 Robert Keyes 0.64 John Franco 2.68 Pedro Martinez+ 1.74
2001 Ed Walsh+ 1.82 Robert Keyes 0.64 Pedro Martinez+ 2.66 Randy Johnson+ 2.49
2002 Ed Walsh+ 1.82 Robert Keyes 0.64 Pedro Martinez+ 2.62 Pedro Martinez+ 2.26
2003 Ed Walsh+ 1.82 Robert Keyes 0.64 Pedro Martinez+ 2.58 Pedro Martinez+ 2.22
2004 Ed Walsh+ 1.82 Robert Keyes 0.64 Pedro Martinez+ 2.71 Jake Peavy 2.27
2005 Ed Walsh+ 1.82 Robert Keyes 0.64 Pedro Martinez+ 2.72 Roger Clemens 1.87
2006 Ed Walsh+ 1.82 Robert Keyes 0.64 Pedro Martinez+ 2.81 Johan Santana 2.77
2007 Ed Walsh+ 1.82 Robert Keyes 0.64 Pedro Martinez+ 2.80 Jake Peavy 2.54
2008 Ed Walsh+ 1.82 Robert Keyes 0.64 Mariano Rivera+ 2.29 Johan Santana 2.53
2009 Ed Walsh+ 1.82 Robert Keyes 0.64 Mariano Rivera+ 2.25 Zack Greinke 2.16
2010 Ed Walsh+ 1.82 Robert Keyes 0.64 Mariano Rivera+ 2.23 Félix Hernández 2.27
2011 Ed Walsh+ 1.82 Robert Keyes 0.64 Mariano Rivera+ 2.21 Clayton Kershaw 2.28
2012 Ed Walsh+ 1.82 Robert Keyes 0.64 Mariano Rivera+ 2.21 Clayton Kershaw 2.53
2013 Ed Walsh+ 1.82 Robert Keyes 0.64 Mariano Rivera+ 2.21 Clayton Kershaw 1.83
2014 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.48 Clayton Kershaw 1.77
2015 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.43 Zack Greinke 1.66
2016 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.37 Kyle Hendricks 2.13
2017 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.36 Corey Kluber 2.25
2018 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.39 Jacob deGrom 1.70
2019 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.44 Hyun Jin Ryu 2.32
2020 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.43 Shane Bieber 1.63
2021 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.49 Corbin Burnes 2.43
2022 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.48 Justin Verlander 1.75
2023 Ed Walsh+ 1.82 Robert Keyes 0.64 Clayton Kershaw 2.48 Blake Snell 2.25
2024 Ed Walsh+ 1.82 Kutter Crawford 0.42 Chris Sale 3.12 Kutter Crawford 0.42