You Are Here > Baseball-Reference.com > Leaders & Records > Progressive Leaders & Records for Adjusted ERA+

Create Custom Leaderboards

The Baseball-Reference.com Play Index's Batting Season Finder lets you create your own custom leaderboards by team, age, position, years, or any other common criteria. View Sample Leaderboards created with the batting season finder.

Progressive Leaders & Records for Adjusted ERA+


Baseball Leaders & Baseball Records:  Single-Season  Career  Active  Progressive  Yearly League 

+ - Indicates Hall of Famer. Bold indicates active player.

Minimum of 3.1 PA/G, 1.0 IP/G, and 0.1 decision/G for single-season leaderboards generally needed for rate statistics. Explanation of min. requirements

Minimum of 1000 IP, 3000 PA and 100 decisions for career and active leaderboards for rate statistics.

This table lists the career, single-season, active, yearly (meaning perfomances solely from that year) leaders following each season of Major League Baseball. Note that a player is considered active between the first and last season of their career. Entries under Single-Season from 1871-1875 are not carried forward past 1875. Entries under Career and Active do include totals from the 1871-1875 seasons.

Year CareerERA+  Single-SeasonERA+  ActiveERA+  YearlyERA+
1871 George Zettlein 159 George Zettlein 159
1872 Al Spalding+ 188 Al Spalding+ 188
1873 Al Spalding+ 145 Al Spalding+ 188 Al Spalding+ 145 Cherokee Fisher 188
1874 Al Spalding+ 139 Al Spalding+ 188 Al Spalding+ 139 Bobby Mathews 134
1875 Al Spalding+ 141 Al Spalding+ 188 Al Spalding+ 141 Tommy Bond 166
1876 Al Spalding+ 141 Jim Devlin 173 Al Spalding+ 141 George Bradley 173
1877 Jim Devlin 142 Jim Devlin 173 Jim Devlin 142 Jim Devlin 146
1878 Jim Devlin 142 Jim Devlin 173 Tommy Bond 120 John Ward+ 147
1879 Jim Devlin 142 Jim Devlin 173 Tommy Bond 122 Tommy Bond 127
1880 Jim Devlin 142 Tim Keefe+ 294 John Ward+ 123 Tim Keefe+ 294
1881 Jim Devlin 142 Tim Keefe+ 294 John Ward+ 124 Stump Wiedman 162
1882 Jim Devlin 142 Tim Keefe+ 294 Larry Corcoran 128 Denny Driscoll 220
1883 Jim Devlin 142 Tim Keefe+ 294 Charley Radbourn+ 136 Jim McCormick 170
1884 Charley Radbourn+ 152 Tim Keefe+ 294 Charley Radbourn+ 152 Charley Radbourn+ 207
1885 Charley Radbourn+ 146 Tim Keefe+ 294 Charley Radbourn+ 146 Tim Keefe+ 173
1886 John Clarkson+ 151 Tim Keefe+ 294 John Clarkson+ 151 Henry Boyle 181
1887 John Clarkson+ 149 Tim Keefe+ 294 John Clarkson+ 149 Elmer Smith 148
1888 Silver King 145 Tim Keefe+ 294 Silver King 145 Silver King 197
1889 John Clarkson+ 142 Tim Keefe+ 294 John Clarkson+ 142 Jack Stivetts 188
1890 Silver King 146 Tim Keefe+ 294 Silver King 146 Billy Rhines 184
1891 Jim Devlin 142 Tim Keefe+ 294 Silver King 139 Kid Nichols+ 152
1892 Kid Nichols+ 146 Tim Keefe+ 294 Kid Nichols+ 146 Cy Young+ 176
1893 Kid Nichols+ 144 Tim Keefe+ 294 Kid Nichols+ 144 Ted Breitenstein 148
1894 Jim Devlin 142 Tim Keefe+ 294 Cy Young+ 139 Amos Rusie+ 189
1895 Jim Devlin 142 Tim Keefe+ 294 Cy Young+ 141 Al Maul 197
1896 Kid Nichols+ 142 Tim Keefe+ 294 Kid Nichols+ 142 Billy Rhines 188
1897 Kid Nichols+ 145 Tim Keefe+ 294 Kid Nichols+ 145 Kid Nichols+ 170
1898 Kid Nichols+ 147 Tim Keefe+ 294 Kid Nichols+ 147 Clark Griffith+ 190
1899 Kid Nichols+ 146 Tim Keefe+ 294 Kid Nichols+ 146 Vic Willis+ 167
1900 Kid Nichols+ 145 Tim Keefe+ 294 Kid Nichols+ 145 Rube Waddell+ 153
1901 Kid Nichols+ 143 Tim Keefe+ 294 Kid Nichols+ 143 Cy Young+ 216
1902 Cy Young+ 143 Tim Keefe+ 294 Cy Young+ 143 Jack Taylor 202
1903 Cy Young+ 143 Tim Keefe+ 294 Cy Young+ 143 Earl Moore 163
1904 Cy Young+ 143 Tim Keefe+ 294 Cy Young+ 143 Joe McGinnity+ 169
1905 Christy Mathewson+ 146 Tim Keefe+ 294 Christy Mathewson+ 146 Christy Mathewson+ 230
1906 Rube Waddell+ 143 Tim Keefe+ 294 Rube Waddell+ 143 Mordecai Brown+ 253
1907 Mordecai Brown+ 158 Tim Keefe+ 294 Mordecai Brown+ 158 Jack Pfiester 216
1908 Mordecai Brown+ 158 Tim Keefe+ 294 Mordecai Brown+ 158 Addie Joss+ 205
1909 Mordecai Brown+ 163 Tim Keefe+ 294 Mordecai Brown+ 163 Christy Mathewson+ 222
1910 Mordecai Brown+ 162 Tim Keefe+ 294 Mordecai Brown+ 162 Ed Walsh+ 189
1911 Mordecai Brown+ 154 Tim Keefe+ 294 Mordecai Brown+ 154 Vean Gregg 189
1912 Walter Johnson+ 164 Tim Keefe+ 294 Walter Johnson+ 164 Walter Johnson+ 242
1913 Walter Johnson+ 176 Tim Keefe+ 294 Walter Johnson+ 176 Walter Johnson+ 259
1914 Walter Johnson+ 174 Tim Keefe+ 294 Walter Johnson+ 174 Dutch Leonard 279
1915 Walter Johnson+ 176 Tim Keefe+ 294 Walter Johnson+ 176 Pete Alexander+ 225
1916 Walter Johnson+ 172 Tim Keefe+ 294 Walter Johnson+ 172 Pete Alexander+ 170
1917 Walter Johnson+ 165 Tim Keefe+ 294 Walter Johnson+ 165 Fred Anderson 176
1918 Walter Johnson+ 169 Tim Keefe+ 294 Walter Johnson+ 169 Walter Johnson+ 214
1919 Walter Johnson+ 171 Tim Keefe+ 294 Walter Johnson+ 171 Walter Johnson+ 214
1920 Walter Johnson+ 168 Tim Keefe+ 294 Walter Johnson+ 168 Pete Alexander+ 168
1921 Walter Johnson+ 162 Tim Keefe+ 294 Walter Johnson+ 162 Red Faber+ 169
1922 Walter Johnson+ 159 Tim Keefe+ 294 Walter Johnson+ 159 Phil Douglas 153
1923 Walter Johnson+ 155 Tim Keefe+ 294 Walter Johnson+ 155 Dolf Luque 201
1924 Walter Johnson+ 154 Tim Keefe+ 294 Walter Johnson+ 154 Dazzy Vance+ 174
1925 Walter Johnson+ 153 Tim Keefe+ 294 Walter Johnson+ 153 Dolf Luque 156
1926 Walter Johnson+ 150 Tim Keefe+ 294 Walter Johnson+ 150 Lefty Grove+ 166
1927 Walter Johnson+ 147 Tim Keefe+ 294 Walter Johnson+ 147 Wilcy Moore 168
1928 Walter Johnson+ 147 Tim Keefe+ 294 Pete Alexander+ 137 Dazzy Vance+ 191
1929 Walter Johnson+ 147 Tim Keefe+ 294 Lefty Grove+ 138 Burleigh Grimes+ 152
1930 Walter Johnson+ 147 Tim Keefe+ 294 Lefty Grove+ 145 Dazzy Vance+ 189
1931 Lefty Grove+ 154 Tim Keefe+ 294 Lefty Grove+ 154 Lefty Grove+ 219
1932 Lefty Grove+ 154 Tim Keefe+ 294 Lefty Grove+ 154 Lefty Grove+ 159
1933 Lefty Grove+ 152 Tim Keefe+ 294 Lefty Grove+ 152 Carl Hubbell+ 193
1934 Walter Johnson+ 147 Tim Keefe+ 294 Lefty Grove+ 144 Lefty Gomez+ 175
1935 Lefty Grove+ 147 Tim Keefe+ 294 Lefty Grove+ 147 Lefty Grove+ 175
1936 Lefty Grove+ 150 Tim Keefe+ 294 Lefty Grove+ 150 Lefty Grove+ 188
1937 Lefty Grove+ 151 Tim Keefe+ 294 Lefty Grove+ 151 Monty Stratton 192
1938 Lefty Grove+ 151 Tim Keefe+ 294 Lefty Grove+ 151 Lefty Grove+ 160
1939 Lefty Grove+ 153 Tim Keefe+ 294 Lefty Grove+ 153 Lefty Grove+ 185
1940 Lefty Grove+ 151 Tim Keefe+ 294 Lefty Grove+ 151 Bobo Newsom 167
1941 Lefty Grove+ 148 Tim Keefe+ 294 Lefty Grove+ 148 Thornton Lee 173
1942 Lefty Grove+ 148 Tim Keefe+ 294 Bob Feller+ 136 Mort Cooper 194
1943 Lefty Grove+ 148 Tim Keefe+ 294 Bob Feller+ 136 Spud Chandler 197
1944 Lefty Grove+ 148 Tim Keefe+ 294 Bob Feller+ 136 Dizzy Trout 168
1945 Lefty Grove+ 148 Tim Keefe+ 294 Bob Feller+ 136 Hal Newhouser+ 195
1946 Lefty Grove+ 148 Tim Keefe+ 294 Hal Newhouser+ 140 Hal Newhouser+ 188
1947 Lefty Grove+ 148 Tim Keefe+ 294 Hal Newhouser+ 139 Warren Spahn+ 168
1948 Lefty Grove+ 148 Tim Keefe+ 294 Harry Brecheen 143 Harry Brecheen 182
1949 Lefty Grove+ 148 Tim Keefe+ 294 Harry Brecheen 140 Mike Garcia 169
1950 Lefty Grove+ 148 Tim Keefe+ 294 Harry Brecheen 136 Sal Maglie 151
1951 Lefty Grove+ 148 Tim Keefe+ 294 Mel Parnell 135 Saul Rogovin 146
1952 Lefty Grove+ 148 Tim Keefe+ 294 Harry Brecheen 133 Allie Reynolds 162
1953 Lefty Grove+ 148 Tim Keefe+ 294 Harry Brecheen 133 Warren Spahn+ 188
1954 Lefty Grove+ 148 Tim Keefe+ 294 Robin Roberts+ 133 Johnny Antonelli 177
1955 Lefty Grove+ 148 Tim Keefe+ 294 Robin Roberts+ 131 Billy Pierce 199
1956 Lefty Grove+ 148 Tim Keefe+ 294 Whitey Ford+ 138 Herb Score 166
1957 Lefty Grove+ 148 Tim Keefe+ 294 Whitey Ford+ 138 Johnny Podres 156
1958 Lefty Grove+ 148 Tim Keefe+ 294 Whitey Ford+ 143 Whitey Ford+ 176
1959 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 140 Hoyt Wilhelm+ 173
1960 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 136 Ernie Broglio 149
1961 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 139 Dick Donovan 163
1962 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 141 Hank Aguirre 183
1963 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 140 Dick Ellsworth 167
1964 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 142 Dean Chance 198
1965 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 144 Juan Marichal+ 169
1966 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 145 Sandy Koufax+ 190
1967 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 147 Phil Niekro+ 179
1968 Hoyt Wilhelm+ 149 Tim Keefe+ 294 Hoyt Wilhelm+ 149 Bob Gibson+ 258
1969 Hoyt Wilhelm+ 149 Tim Keefe+ 294 Hoyt Wilhelm+ 149 Juan Marichal+ 168
1970 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 148 Tom Seaver+ 142
1971 Tom Seaver+ 149 Tim Keefe+ 294 Tom Seaver+ 149 Tom Seaver+ 193
1972 Lefty Grove+ 148 Tim Keefe+ 294 Hoyt Wilhelm+ 146 Steve Carlton+ 182
1973 Lefty Grove+ 148 Tim Keefe+ 294 Tom Seaver+ 147 Tom Seaver+ 175
1974 Lefty Grove+ 148 Tim Keefe+ 294 Tom Seaver+ 142 Buzz Capra 165
1975 Lefty Grove+ 148 Tim Keefe+ 294 Tom Seaver+ 142 Jim Palmer+ 169
1976 Lefty Grove+ 148 Tim Keefe+ 294 Tom Seaver+ 141 Mark Fidrych 158
1977 Lefty Grove+ 148 Tim Keefe+ 294 Tom Seaver+ 142 John Candelaria 169
1978 Lefty Grove+ 148 Tim Keefe+ 294 John Hiller 142 Ron Guidry 208
1979 Lefty Grove+ 148 Tim Keefe+ 294 Sparky Lyle 141 Dennis Eckersley+ 150
1980 Lefty Grove+ 148 Tim Keefe+ 294 Tom Seaver+ 136 Steve Carlton+ 162
1981 Lefty Grove+ 148 Tim Keefe+ 294 Ron Guidry 140 Nolan Ryan+ 194
1982 Lefty Grove+ 148 Tim Keefe+ 294 Ron Guidry 132 Steve Rogers 152
1983 Lefty Grove+ 148 Tim Keefe+ 294 Rich Gossage+ 132 Atlee Hammaker 159
1984 Lefty Grove+ 148 Tim Keefe+ 294 Kent Tekulve 141 Dave Stieb 145
1985 Lefty Grove+ 148 Tim Keefe+ 294 Kent Tekulve 138 Dwight Gooden 228
1986 Lefty Grove+ 148 Tim Keefe+ 294 Kent Tekulve 139 Roger Clemens 169
1987 Lefty Grove+ 148 Tim Keefe+ 294 Kent Tekulve 139 Jimmy Key 164
1988 Lefty Grove+ 148 Tim Keefe+ 294 Roger Clemens 141 Allan Anderson 166
1989 Dan Quisenberry 150 Tim Keefe+ 294 Dan Quisenberry 150 Bret Saberhagen 180
1990 Lefty Grove+ 148 Tim Keefe+ 294 Roger Clemens 147 Roger Clemens 213
1991 Roger Clemens 149 Tim Keefe+ 294 Roger Clemens 149 Roger Clemens 164
1992 Roger Clemens 152 Tim Keefe+ 294 Roger Clemens 152 Roger Clemens 175
1993 Lefty Grove+ 148 Tim Keefe+ 294 Roger Clemens 146 Kevin Appier 179
1994 Lefty Grove+ 148 Tim Keefe+ 294 Roger Clemens 148 Greg Maddux 271
1995 Lefty Grove+ 148 Tim Keefe+ 294 Roger Clemens 145 Greg Maddux 262
1996 Lefty Grove+ 148 Tim Keefe+ 294 Roger Clemens 145 Kevin Brown 216
1997 Roger Clemens 149 Tim Keefe+ 294 Roger Clemens 149 Roger Clemens 221
1998 Roger Clemens 151 Tim Keefe+ 294 Roger Clemens 151 Greg Maddux 187
1999 Pedro Martinez 156 Tim Keefe+ 294 Pedro Martinez 156 Pedro Martinez 243
2000 Pedro Martinez 168 Tim Keefe+ 294 Pedro Martinez 168 Pedro Martinez 291
2001 Pedro Martinez 169 Tim Keefe+ 294 Pedro Martinez 169 Randy Johnson 188
2002 Pedro Martinez 172 Tim Keefe+ 294 Pedro Martinez 172 Pedro Martinez 202
2003 Pedro Martinez 175 Tim Keefe+ 294 Pedro Martinez 175 Pedro Martinez 210
2004 Pedro Martinez 168 Tim Keefe+ 294 Pedro Martinez 168 Johan Santana 182
2005 Pedro Martinez 166 Tim Keefe+ 294 Pedro Martinez 166 Roger Clemens 226
2006 Pedro Martinez 161 Tim Keefe+ 294 Pedro Martinez 161 Johan Santana 161
2007 Pedro Martinez 161 Tim Keefe+ 294 Pedro Martinez 161 Brandon Webb 158
2008 Mariano Rivera 199 Tim Keefe+ 294 Mariano Rivera 199 Tim Lincecum 169
2009 Mariano Rivera 202 Tim Keefe+ 294 Mariano Rivera 202 Zack Greinke 205

Baseball Leaders & Baseball Records:  Single-Season  Career  Active  Progressive  Yearly League