Single-Season Leaders & Records for Earned Runs
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| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
|---|---|---|---|---|---|
| 1. | John Coleman (20) | 291 | 1883 | 538.1 | R |
| 2. | Theodore Breitenstein (25) | 238 | 1894 | 447.1 | L |
| 3. | Red Donahue (24) | 237 | 1897 | 348.0 | R |
| 4. | Al Mays (22) | 232 | 1887 | 441.1 | R |
| 5. | Kid Carsey (18) | 230 | 1891 | 415.0 | R |
| 6. | Gus Weyhing (20) | 221 | 1887 | 466.1 | R |
| 7. | Henry Porter (30) | 219 | 1888 | 474.0 | R |
| 8. | Matt Kilroy (20) | 218 | 1886 | 583.0 | L |
| Tony Mullane (27) | 218 | 1886 | 529.2 | R | |
| 10. | Ed Seward (20) | 216 | 1887 | 470.2 | R |
| 11. | Kid Nichols+ (24) | 215 | 1894 | 407.0 | R |
| Old Hoss Radbourn+ (32) | 215 | 1887 | 425.0 | R | |
| George Weidman (25) | 215 | 1886 | 427.2 | R | |
| 14. | Pink Hawley (21) | 214 | 1894 | 392.2 | R |
| Toad Ramsey (22) | 214 | 1887 | 561.0 | L | |
| 16. | Theodore Breitenstein (26) | 213 | 1895 | 438.2 | L |
| George Cobb (26) | 213 | 1892 | 394.1 | L | |
| 18. | Billy Crowell (21) | 211 | 1887 | 389.1 | R |
| 19. | Phenomenal Smith (22) | 207 | 1887 | 491.1 | L |
| 20. | Mark Baldwin (25) | 206 | 1889 | 513.2 | R |
| Fleury Sullivan (22) | 206 | 1884 | 441.0 | ||
| 22. | Bill Hart (31) | 205 | 1897 | 294.2 | R |
| 23. | Ed Beatin (23) | 202 | 1890 | 474.1 | L |
| 24. | Matt Kilroy (21) | 201 | 1887 | 589.1 | L |
| Frank Mountain (23) | 201 | 1883 | 503.0 | R | |
| 26. | Bert Cunningham (24) | 200 | 1890 | 319.2 | R |
| 27. | Larry McKeon (18) | 199 | 1884 | 512.0 | |
| 28. | Red Ehret (25) | 198 | 1894 | 346.2 | R |
| Pud Galvin+ (26) | 198 | 1883 | 656.1 | R | |
| 30. | Brickyard Kennedy (26) | 197 | 1894 | 360.2 | R |
| Park Swartzel (23) | 197 | 1889 | 410.1 | R | |
| 32. | Frank Dwyer (26) | 196 | 1894 | 348.0 | R |
| Egyptian Healy (20) | 196 | 1887 | 341.0 | R | |
| Jim Whitney (28) | 196 | 1886 | 393.0 | R | |
| 35. | Kid Gleason (27) | 195 | 1893 | 380.1 | R |
| 36. | Red Ehret (20) | 194 | 1889 | 364.0 | R |
| 37. | Tom Parrott (26) | 192 | 1894 | 308.2 | R |
| 38. | Bill Hart (30) | 191 | 1896 | 336.0 | R |
| Hardie Henderson (22) | 191 | 1885 | 539.1 | R | |
| Bill Hutchison (32) | 191 | 1892 | 622.0 | R | |
| Jack Taylor (23) | 191 | 1896 | 359.0 | R | |
| 42. | Ice Box Chamberlain (23) | 190 | 1891 | 405.2 | R |
| Jack Lynch (29) | 190 | 1886 | 432.2 | R | |
| Scott Stratton (23) | 190 | 1893 | 314.2 | R | |
| 45. | Chick Fraser (22) | 189 | 1896 | 349.1 | R |
| 46. | Jersey Bakley (20) | 188 | 1884 | 394.2 | R |
| John Clarkson+ (27) | 188 | 1889 | 620.0 | R | |
| George Hemming (24) | 188 | 1893 | 332.0 | R | |
| Adonis Terry (19) | 188 | 1884 | 476.0 | R | |
| 50. | Bill Carrick (25) | 187 | 1899 | 361.2 | R |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| Kid Carsey (22) | 187 | 1895 | 342.1 | R | |
| Bill Hutchison (34) | 187 | 1894 | 279.0 | R | |
| 53. | George Haddock (23) | 186 | 1890 | 290.2 | R |
| Bobo Newsom (30) | 186 | 1938 | 329.2 | R | |
| 55. | Sadie McMahon (22) | 185 | 1890 | 509.0 | R |
| 56. | Bill Hutchison (33) | 184 | 1893 | 348.1 | R |
| Jack Stivetts (26) | 184 | 1894 | 338.0 | R | |
| 58. | Mark Baldwin (26) | 183 | 1890 | 492.0 | R |
| 59. | Henry Gruber (26) | 182 | 1890 | 383.1 | R |
| Ad Gumbert (26) | 182 | 1894 | 271.0 | R | |
| Gus Weyhing (26) | 182 | 1893 | 345.1 | R | |
| 62. | Bob Barr (27) | 181 | 1884 | 413.0 | R |
| Bill Hutchison (30) | 181 | 1890 | 603.0 | R | |
| Tony Mullane (34) | 181 | 1893 | 367.0 | R | |
| Gus Weyhing (31) | 181 | 1898 | 361.0 | R | |
| 66. | Ed Stein (24) | 180 | 1894 | 350.0 | R |
| 67. | John Clarkson+ (25) | 179 | 1887 | 523.0 | R |
| John Ewing (26) | 179 | 1889 | 331.0 | R | |
| Hardie Henderson (20) | 179 | 1883 | 367.1 | R | |
| Cy Young+ (27) | 179 | 1894 | 408.2 | R | |
| 71. | Bob Barr (33) | 178 | 1890 | 493.1 | R |
| 72. | Kid Carsey (21) | 177 | 1894 | 288.1 | R |
| Gus Weyhing (27) | 177 | 1894 | 279.0 | R | |
| 74. | Jersey Bakley (24) | 176 | 1888 | 532.2 | R |
| Pretzels Getzien (25) | 176 | 1889 | 349.0 | R | |
| 76. | Duke Esper (25) | 175 | 1893 | 334.1 | L |
| Bill Hutchison (31) | 175 | 1891 | 561.0 | R | |
| Al Maul (27) | 175 | 1893 | 297.0 | R | |
| 79. | Al Atkinson (25) | 174 | 1886 | 396.2 | R |
| Guy Hecker (27) | 174 | 1883 | 469.0 | R | |
| Lee Richmond (24) | 174 | 1881 | 462.1 | L | |
| 82. | Mike Morrison (20) | 173 | 1887 | 316.2 | R |
| Amos Rusie+ (22) | 173 | 1893 | 482.0 | R | |
| 84. | Red Donahue (23) | 172 | 1896 | 267.0 | R |
| Jouett Meekin (27) | 172 | 1894 | 418.0 | R | |
| Jack Taylor (25) | 172 | 1898 | 397.1 | R | |
| Lewis Wiltse (30) | 172 | 1902 | 302.0 | L | |
| 88. | Bert Cunningham (22) | 171 | 1888 | 453.1 | R |
| Lee Richmond (25) | 171 | 1882 | 411.0 | L | |
| Amos Rusie+ (21) | 171 | 1892 | 541.0 | R | |
| 91. | Mark Baldwin (28) | 170 | 1892 | 440.1 | R |
| Kid Carsey (20) | 170 | 1893 | 318.1 | R | |
| Ed Crane (28) | 170 | 1890 | 330.1 | R | |
| Jim Hughey (30) | 170 | 1899 | 283.0 | R | |
| Old Hoss Radbourn+ (31) | 170 | 1886 | 509.1 | R | |
| Wild Bill Widner (22) | 170 | 1889 | 294.0 | R | |
| 97. | Theodore Breitenstein (27) | 169 | 1896 | 339.2 | L |
| John Keefe (22) | 169 | 1890 | 352.1 | L | |
| Frank Killen (21) | 169 | 1892 | 459.2 | L | |
| Gus Weyhing (32) | 169 | 1899 | 334.2 | R | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| 101. | Frank Killen (22) | 168 | 1893 | 415.0 | L |
| Sadie McMahon (25) | 168 | 1893 | 346.1 | R | |
| John Menefee (26) | 168 | 1894 | 323.1 | R | |
| Win Mercer (22) | 168 | 1896 | 366.1 | R | |
| Will White (29) | 168 | 1884 | 456.0 | R | |
| 106. | Frank Killen (26) | 167 | 1897 | 337.1 | L |
| Jack Taylor (22) | 167 | 1895 | 335.0 | R | |
| 108. | Dan Casey (27) | 166 | 1890 | 360.2 | L |
| Dad Clarke (31) | 166 | 1896 | 351.0 | R | |
| Frank Dwyer (23) | 166 | 1891 | 375.0 | R | |
| Pink Hawley (24) | 166 | 1897 | 311.1 | R | |
| Tim Keefe+ (26) | 166 | 1883 | 619.0 | R | |
| Kid Nichols+ (23) | 166 | 1893 | 425.0 | R | |
| Adonis Terry (30) | 166 | 1895 | 311.1 | R | |
| Mickey Welch+ (26) | 166 | 1886 | 500.0 | R | |
| 116. | Henry Boyle (28) | 165 | 1889 | 378.2 | R |
| Dad Clarkson (27) | 165 | 1894 | 233.1 | R | |
| Pud Galvin+ (28) | 165 | 1885 | 372.1 | R | |
| Tim Keefe+ (30) | 165 | 1887 | 476.2 | R | |
| Sam Weaver (27) | 165 | 1883 | 400.2 | R | |
| 121. | Charlie Ferguson (21) | 164 | 1884 | 416.2 | R |
| Frank Killen (25) | 164 | 1896 | 432.1 | L | |
| Silver King (19) | 164 | 1887 | 390.0 | R | |
| Bobby Mathews (24) | 164 | 1876 | 516.0 | R | |
| Harry Staley (22) | 164 | 1889 | 420.0 | R | |
| Jack Stivetts (22) | 164 | 1890 | 419.1 | R | |
| 127. | Kid Gleason (25) | 163 | 1891 | 418.0 | R |
| Amos Rusie+ (24) | 163 | 1895 | 393.1 | R | |
| 129. | Jersey Bakley (26) | 162 | 1890 | 326.1 | R |
| Frank Foreman (26) | 162 | 1889 | 414.0 | R | |
| Brickyard Kennedy (27) | 162 | 1895 | 288.2 | R | |
| Dickey Kerr (27) | 162 | 1921 | 308.2 | L | |
| Mickey Welch+ (20) | 162 | 1880 | 574.0 | R | |
| 134. | Pud Galvin+ (30) | 161 | 1887 | 440.2 | R |
| George Hemming (25) | 161 | 1894 | 339.2 | R | |
| Henry Porter (28) | 161 | 1886 | 424.0 | R | |
| 137. | George Cuppy (24) | 160 | 1894 | 316.0 | R |
| Henry Gruber (27) | 160 | 1891 | 348.2 | R | |
| John Harkins (25) | 160 | 1884 | 391.0 | R | |
| Silver King (21) | 160 | 1889 | 458.0 | R | |
| Darby O'Brien (22) | 160 | 1889 | 346.2 | R | |
| Tom Parrott (27) | 160 | 1895 | 263.1 | R | |
| Toad Ramsey (21) | 160 | 1886 | 588.2 | L | |
| George Weidman (26) | 160 | 1887 | 288.0 | R | |
| 145. | Bobby Mathews (32) | 159 | 1884 | 430.2 | R |
| Tony Mullane (25) | 159 | 1884 | 567.0 | R | |
| Henry Porter (29) | 159 | 1887 | 339.2 | R | |
| Gus Weyhing (24) | 159 | 1891 | 450.0 | R | |
| 149. | Pud Galvin+ (32) | 158 | 1889 | 341.0 | R |
| Brickyard Kennedy (25) | 158 | 1893 | 382.2 | R | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| Fred Klobedanz (26) | 158 | 1897 | 309.1 | L | |
| Harry Staley (27) | 158 | 1894 | 208.2 | R | |
| George Weidman (22) | 158 | 1883 | 402.1 | R | |
| Cy Young+ (26) | 158 | 1893 | 422.2 | R | |
| 155. | Pud Galvin+ (25) | 157 | 1882 | 445.1 | R |
| Pink Hawley (22) | 157 | 1895 | 444.1 | R | |
| Jim McCormick (25) | 157 | 1882 | 595.2 | R | |
| Sadie McMahon (23) | 157 | 1891 | 503.0 | R | |
| Lee Viau (22) | 157 | 1889 | 373.0 | R | |
| 160. | Jack Knott (29) | 156 | 1936 | 192.2 | R |
| Amos Rusie+ (19) | 156 | 1890 | 548.2 | R | |
| Gus Weyhing (23) | 156 | 1890 | 390.0 | R | |
| 163. | Guy Bush (28) | 155 | 1930 | 225.0 | R |
| Bob Caruthers (25) | 155 | 1889 | 445.0 | R | |
| Red Ehret (26) | 155 | 1895 | 231.2 | R | |
| Phil Knell (29) | 155 | 1894 | 254.0 | L | |
| Willie McGill (19) | 155 | 1893 | 302.2 | L | |
| Bill Sweeney (26) | 155 | 1884 | 538.0 | R | |
| Mickey Welch+ (24) | 155 | 1884 | 557.1 | R | |
| 170. | Mark Baldwin (29) | 154 | 1893 | 333.2 | R |
| George Bradley (26) | 154 | 1879 | 487.0 | R | |
| Ed Crane (30) | 154 | 1892 | 364.1 | R | |
| Clark Griffith+ (25) | 154 | 1895 | 353.0 | R | |
| Ray Kremer (35) | 154 | 1930 | 276.0 | R | |
| Jim McCormick (30) | 154 | 1887 | 322.1 | R | |
| Win Mercer (21) | 154 | 1895 | 313.1 | R | |
| Hank O'Day+ (30) | 154 | 1890 | 329.0 | R | |
| 178. | Ice Box Chamberlain (24) | 153 | 1892 | 406.1 | R |
| Wes Ferrell (29) | 153 | 1937 | 281.0 | R | |
| Danny Friend (23) | 153 | 1896 | 290.2 | L | |
| Bill Hill (21) | 153 | 1896 | 319.2 | L | |
| Bill Hutchison (35) | 153 | 1895 | 291.0 | R | |
| Sam Kimber (31) | 153 | 1884 | 361.1 | R | |
| Tony Mullane (32) | 153 | 1891 | 426.1 | R | |
| Lev Shreve (22) | 153 | 1888 | 297.2 | R | |
| 186. | Pat Caraway (25) | 152 | 1931 | 220.0 | L |
| Dan Daub (26) | 152 | 1894 | 224.0 | R | |
| Pretzels Getzien (23) | 152 | 1887 | 366.2 | R | |
| Tim Keefe+ (29) | 152 | 1886 | 535.0 | R | |
| Matt Kilroy (23) | 152 | 1889 | 480.2 | L | |
| Jack Lynch (28) | 152 | 1885 | 379.0 | R | |
| Harry McCormick (23) | 152 | 1879 | 457.1 | R | |
| Ed Morris (22) | 152 | 1885 | 581.0 | L | |
| Ed Morris (24) | 152 | 1887 | 317.2 | L | |
| George Pechiney (24) | 152 | 1886 | 330.1 | R | |
| Willie Sudhoff (23) | 152 | 1898 | 315.0 | R | |
| Jim Whitney (23) | 152 | 1881 | 552.1 | R | |
| 198. | Bert Cunningham (23) | 151 | 1889 | 279.1 | R |
| Joe McGinnity+ (30) | 151 | 1901 | 382.0 | R | |
| Ed Morris (23) | 151 | 1886 | 555.1 | L | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| 201. | Pud Galvin+ (22) | 150 | 1879 | 593.0 | R |
| Pink Hawley (23) | 150 | 1896 | 378.0 | R | |
| Brickyard Kennedy (28) | 150 | 1896 | 305.2 | R | |
| Silver King (24) | 150 | 1892 | 410.1 | R | |
| Phil Knell (26) | 150 | 1891 | 462.0 | L | |
| Tom Lovett (27) | 150 | 1891 | 365.2 | R | |
| Jim McCormick (27) | 150 | 1884 | 569.0 | R | |
| Tony Mullane (28) | 150 | 1887 | 416.1 | R | |
| Harry Staley (26) | 150 | 1893 | 263.0 | R | |
| Jack Stivetts (27) | 150 | 1895 | 291.0 | R | |
| Jack Stivetts (28) | 150 | 1896 | 329.0 | R | |
| Mike Sullivan (23) | 150 | 1894 | 208.1 | R | |
| George Uhle (24) | 150 | 1923 | 357.2 | R | |
| Will White (24) | 150 | 1879 | 680.0 | R | |
| 215. | Pete Conway (19) | 149 | 1886 | 271.0 | R |
| Denny Driscoll (27) | 149 | 1883 | 336.1 | L | |
| Bump Hadley (27) | 149 | 1932 | 248.1 | R | |
| Brickyard Kennedy (29) | 149 | 1897 | 343.1 | R | |
| Henry Porter (27) | 149 | 1885 | 481.2 | R | |
| Jack Taylor (24) | 149 | 1897 | 317.1 | R | |
| Gus Weyhing (28) | 149 | 1895 | 231.0 | R | |
| Cy Young+ (29) | 149 | 1896 | 414.1 | R | |
| 223. | John Clarkson+ (26) | 148 | 1888 | 483.1 | R |
| Kid Gleason (24) | 148 | 1890 | 506.0 | R | |
| Kid Gleason (26) | 148 | 1892 | 400.0 | R | |
| Kid Nichols+ (25) | 148 | 1895 | 390.2 | R | |
| Phil Niekro+ (38) | 148 | 1977 | 330.1 | R | |
| Jack Taylor (25) | 148 | 1899 | 354.2 | R | |
| 229. | Al Atkinson (23) | 147 | 1884 | 393.2 | R |
| Theodore Breitenstein (23) | 147 | 1892 | 282.1 | L | |
| Ed Cushman (38) | 147 | 1890 | 315.2 | L | |
| Jack Lynch (27) | 147 | 1884 | 496.0 | R | |
| Jim McCormick (22) | 147 | 1879 | 546.1 | R | |
| Bobo Newsom (29) | 147 | 1937 | 275.1 | R | |
| Robin Roberts+ (29) | 147 | 1956 | 297.1 | R | |
| Willie Sudhoff (24) | 147 | 1899 | 264.2 | R | |
| Gus Weyhing (22) | 147 | 1889 | 449.0 | R | |
| 238. | Tommy Bond (24) | 146 | 1880 | 493.0 | R |
| John Clarkson+ (31) | 146 | 1893 | 295.0 | R | |
| Ed Cushman (35) | 146 | 1887 | 220.0 | L | |
| George Earnshaw (30) | 146 | 1930 | 296.0 | R | |
| Dave Foutz (30) | 146 | 1887 | 339.1 | R | |
| Chick Fraser (24) | 146 | 1898 | 245.0 | R | |
| Sam Gray (33) | 146 | 1931 | 258.0 | R | |
| Bert Inks (24) | 146 | 1895 | 205.1 | L | |
| Jack Neagle (25) | 146 | 1883 | 221.1 | R | |
| Jack Powell (24) | 146 | 1899 | 373.0 | R | |
| Billy Serad (22) | 146 | 1884 | 308.0 | R | |
| Elmer Smith (19) | 146 | 1887 | 447.1 | L | |
| Tom Vickery (23) | 146 | 1890 | 382.0 | R | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| Jack Wadsworth (26) | 146 | 1894 | 173.0 | R | |
| Jim Whitney (27) | 146 | 1885 | 441.1 | R | |
| 253. | Pedro Astacio (29) | 145 | 1998 | 209.1 | R |
| George Bradley (24) | 145 | 1877 | 394.0 | R | |
| Harry Byrd (28) | 145 | 1953 | 236.2 | R | |
| Ad Gumbert (24) | 145 | 1892 | 382.2 | R | |
| Bill Hoffer (26) | 145 | 1897 | 303.1 | R | |
| Tim Keefe+ (24) | 145 | 1881 | 403.0 | R | |
| José Lima (27) | 145 | 2000 | 196.1 | R | |
| Win Mercer (20) | 145 | 1894 | 339.1 | R | |
| Al Orth (24) | 145 | 1897 | 282.1 | R | |
| Bill Phillips (32) | 145 | 1901 | 281.1 | R | |
| Ben Sanders (25) | 145 | 1890 | 346.2 | R | |
| Harry Staley (23) | 145 | 1890 | 396.2 | R | |
| Herm Wehmeier (23) | 145 | 1950 | 230.0 | R | |
| Jim Whitney (29) | 145 | 1887 | 404.2 | R | |
| 267. | Jimmie DeShong (27) | 144 | 1937 | 264.1 | R |
| Matt Kilroy (22) | 144 | 1888 | 321.0 | L | |
| Harley Payne (29) | 144 | 1897 | 280.0 | L | |
| Nels Potter (27) | 144 | 1939 | 196.1 | R | |
| Old Hoss Radbourn+ (28) | 144 | 1883 | 632.1 | R | |
| 272. | Ray Benge (28) | 143 | 1930 | 225.2 | R |
| John Clarkson+ (29) | 143 | 1891 | 460.2 | R | |
| Frank Foreman (28) | 143 | 1891 | 345.1 | R | |
| Clark Griffith+ (24) | 143 | 1894 | 261.1 | R | |
| Jim McCormick (24) | 143 | 1881 | 526.0 | R | |
| Sadie McMahon (24) | 143 | 1892 | 397.0 | R | |
| Kid Nichols+ (22) | 143 | 1892 | 453.0 | R | |
| Al Orth (29) | 143 | 1902 | 324.0 | R | |
| Toad Ramsey (25) | 143 | 1890 | 348.2 | L | |
| Billy Rhines (26) | 143 | 1895 | 267.2 | R | |
| Dupee Shaw (27) | 143 | 1886 | 385.2 | L | |
| Les Sweetland (28) | 143 | 1930 | 167.0 | L | |
| Rube Walberg (35) | 143 | 1932 | 272.0 | L | |
| 285. | Clark Griffith+ (27) | 142 | 1897 | 343.2 | R |
| George Keefe (23) | 142 | 1890 | 196.0 | L | |
| Mickey Lolich (33) | 142 | 1974 | 308.0 | L | |
| Jouett Meekin (29) | 142 | 1896 | 334.1 | R | |
| Jack Powell (25) | 142 | 1900 | 287.2 | R | |
| Amos Rusie+ (20) | 142 | 1891 | 500.1 | R | |
| Adonis Terry (22) | 142 | 1887 | 318.0 | R | |
| 292. | Pete Dowling (24) | 141 | 1901 | 306.0 | L |
| Pud Galvin+ (27) | 141 | 1884 | 636.1 | R | |
| Milt Gaston (31) | 141 | 1927 | 254.0 | R | |
| Vern Kennedy (29) | 141 | 1936 | 274.1 | R | |
| Charlie Knepper (28) | 141 | 1899 | 219.2 | R | |
| Claude Passeau (28) | 141 | 1937 | 292.1 | R | |
| Bill Reidy (27) | 141 | 1901 | 301.1 | R | |
| Lee Richmond (23) | 141 | 1880 | 590.2 | L | |
| Ed Seward (22) | 141 | 1889 | 320.0 | R | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| Cy Young+ (30) | 141 | 1897 | 335.2 | R | |
| 302. | Charlie Buffinton (23) | 140 | 1884 | 587.0 | R |
| Jim Devlin (28) | 140 | 1877 | 559.0 | R | |
| Duke Esper (26) | 140 | 1894 | 217.0 | L | |
| Wes Ferrell (28) | 140 | 1936 | 301.0 | R | |
| Chick Fraser (27) | 140 | 1901 | 331.0 | R | |
| Darryl Kile (30) | 140 | 1999 | 190.2 | R | |
| Jack Stivetts (23) | 140 | 1891 | 440.0 | R | |
| Jack Stivetts (24) | 140 | 1892 | 415.2 | R | |
| John Ward+ (19) | 140 | 1879 | 587.0 | R | |
| 311. | Ray Benge (27) | 139 | 1929 | 199.0 | R |
| Jim Bibby (29) | 139 | 1974 | 264.0 | R | |
| Charlie Buffinton (24) | 139 | 1885 | 434.1 | R | |
| Bill Carrick (28) | 139 | 1902 | 257.2 | R | |
| Ice Box Chamberlain (21) | 139 | 1889 | 421.2 | R | |
| John Clarkson+ (28) | 139 | 1890 | 383.0 | R | |
| George Cuppy (25) | 139 | 1895 | 353.0 | R | |
| Bob Emslie (25) | 139 | 1884 | 455.1 | R | |
| Egyptian Healy (21) | 139 | 1888 | 321.1 | R | |
| Terry Larkin (23) | 139 | 1879 | 513.1 | R | |
| Hank O'Day+ (28) | 139 | 1888 | 403.0 | R | |
| Jack Russell (24) | 139 | 1930 | 229.2 | R | |
| Dupee Shaw (25) | 139 | 1884 | 543.1 | L | |
| Jack Stivetts (25) | 139 | 1893 | 283.2 | R | |
| Gus Weyhing (25) | 139 | 1892 | 469.2 | R | |
| 326. | Larry Corcoran (24) | 138 | 1884 | 516.2 | R |
| Bert Cunningham (33) | 138 | 1899 | 323.2 | R | |
| Pud Galvin+ (23) | 138 | 1880 | 458.2 | R | |
| Burleigh Grimes+ (31) | 138 | 1925 | 246.2 | R | |
| Bump Hadley (28) | 138 | 1933 | 316.2 | R | |
| Bill Hart (29) | 138 | 1895 | 261.2 | R | |
| Vern Kennedy (33) | 138 | 1940 | 222.1 | R | |
| Silver King (22) | 138 | 1890 | 461.0 | R | |
| Mike McDermott (20) | 138 | 1895 | 207.1 | R | |
| Gordon Rhodes (28) | 138 | 1936 | 216.1 | R | |
| Ben Sanders (24) | 138 | 1889 | 349.2 | R | |
| Wilbur Wood (31) | 138 | 1973 | 359.1 | L | |
| 338. | Charlie Buffinton (28) | 137 | 1889 | 380.0 | R |
| Joe Coleman (27) | 137 | 1974 | 285.2 | R | |
| Pretzels Getzien (24) | 137 | 1888 | 404.0 | R | |
| Burleigh Grimes+ (28) | 137 | 1922 | 259.0 | R | |
| Alex Kellner (25) | 137 | 1950 | 225.1 | L | |
| Vern Kennedy (32) | 137 | 1939 | 212.2 | R | |
| Jack Kramer (21) | 137 | 1939 | 211.2 | R | |
| Hugh Mulcahy (24) | 137 | 1938 | 267.1 | R | |
| Bobo Newsom (28) | 137 | 1936 | 285.2 | R | |
| Amos Rusie+ (23) | 137 | 1894 | 444.0 | R | |
| 348. | Brian Bohanon (30) | 136 | 1999 | 197.1 | L |
| George Caster (30) | 136 | 1938 | 281.1 | R | |
| Ed Doheny (25) | 136 | 1899 | 277.2 | L | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| Elon Hogsett (32) | 136 | 1936 | 219.1 | L | |
| Tim Keefe+ (32) | 136 | 1889 | 364.0 | R | |
| Hank O'Day+ (24) | 136 | 1884 | 326.2 | R | |
| Togie Pittinger (31) | 136 | 1903 | 351.2 | R | |
| 355. | George Blaeholder (28) | 135 | 1932 | 258.1 | R |
| Theodore Breitenstein (24) | 135 | 1893 | 382.2 | L | |
| Charlie Buffinton (26) | 135 | 1887 | 332.1 | R | |
| Bill Carrick (27) | 135 | 1901 | 324.0 | R | |
| Hugh Daily (36) | 135 | 1884 | 500.2 | R | |
| Kid Madden (19) | 135 | 1887 | 321.0 | L | |
| Jim McCormick (23) | 135 | 1880 | 657.2 | R | |
| Willie McGill (20) | 135 | 1894 | 208.0 | L | |
| Jouett Meekin (26) | 135 | 1893 | 245.0 | R | |
| Jaime Navarro (30) | 135 | 1997 | 209.2 | R | |
| Jack Neagle (26) | 135 | 1884 | 326.0 | R | |
| Al Orth (30) | 135 | 1903 | 279.2 | R | |
| Casey Patten (28) | 135 | 1902 | 299.2 | L | |
| Ed Scott (29) | 135 | 1900 | 315.0 | R | |
| Jack Taylor (21) | 135 | 1894 | 298.0 | R | |
| Dick Tidrow (26) | 135 | 1973 | 274.2 | R | |
| Claude Willoughby (30) | 135 | 1929 | 243.1 | R | |
| 372. | Varney Anderson (29) | 134 | 1895 | 204.2 | R |
| Mark Baldwin (27) | 134 | 1891 | 437.2 | R | |
| George Blaeholder (29) | 134 | 1933 | 255.2 | R | |
| Bill Carrick (26) | 134 | 1900 | 341.2 | R | |
| Fred Goldsmith (27) | 134 | 1883 | 383.1 | R | |
| Tom Gordon (28) | 134 | 1996 | 215.2 | R | |
| Guy Hecker (28) | 134 | 1884 | 670.2 | R | |
| Guy Hecker (30) | 134 | 1886 | 420.2 | R | |
| Doc Landis (27) | 134 | 1882 | 359.0 | ||
| Sam Leever (27) | 134 | 1899 | 379.0 | R | |
| Al Maul (28) | 134 | 1894 | 201.2 | R | |
| Jouett Meekin (31) | 134 | 1898 | 320.0 | R | |
| Eric Milton (29) | 134 | 2005 | 186.1 | L | |
| Ed Stein (25) | 134 | 1895 | 255.1 | R | |
| Will White (28) | 134 | 1883 | 577.0 | R | |
| Cy Young+ (24) | 134 | 1891 | 423.2 | R | |
| Cy Young+ (28) | 134 | 1895 | 369.2 | R | |
| 389. | Ted Blankenship (26) | 133 | 1927 | 236.2 | R |
| Henry Boyle (26) | 133 | 1887 | 328.0 | R | |
| Howard Ehmke (29) | 133 | 1923 | 316.2 | R | |
| Larry French (22) | 133 | 1930 | 274.2 | L | |
| George Haddock (25) | 133 | 1892 | 381.1 | R | |
| John Harkins (28) | 133 | 1887 | 199.0 | R | |
| Bill Hawke (24) | 133 | 1894 | 206.0 | R | |
| Matt Keough (26) | 133 | 1982 | 209.1 | R | |
| Darryl Kile (29) | 133 | 1998 | 230.1 | R | |
| Silver King (23) | 133 | 1891 | 384.1 | R | |
| Bill Magee (22) | 133 | 1898 | 295.1 | R | |
| James McJames (21) | 133 | 1896 | 280.1 | R | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| Jouett Meekin (28) | 133 | 1895 | 225.2 | R | |
| Jack Powell (26) | 133 | 1901 | 338.1 | R | |
| Amos Rusie+ (18) | 133 | 1889 | 225.0 | R | |
| Jack Russell (25) | 133 | 1931 | 232.0 | R | |
| Lefty Stewart (31) | 133 | 1932 | 259.2 | L | |
| Earl Whitehill (36) | 133 | 1935 | 279.1 | L | |
| Wilbur Wood (33) | 133 | 1975 | 291.1 | L | |
| 408. | Elden Auker (30) | 132 | 1941 | 216.0 | R |
| Vida Blue (29) | 132 | 1979 | 237.0 | L | |
| Jack Coombs (28) | 132 | 1911 | 336.2 | R | |
| General Crowder (34) | 132 | 1933 | 299.1 | R | |
| Pete Dowling (21) | 132 | 1898 | 285.2 | L | |
| Frank Dwyer (25) | 132 | 1893 | 287.1 | R | |
| Frank Dwyer (27) | 132 | 1895 | 280.1 | R | |
| Chick Fraser (23) | 132 | 1897 | 294.1 | R | |
| Burleigh Grimes+ (30) | 132 | 1924 | 310.2 | R | |
| Ad Gumbert (27) | 132 | 1895 | 234.0 | R | |
| Guy Hecker (31) | 132 | 1887 | 285.1 | R | |
| Liván Hernández (26) | 132 | 2001 | 226.2 | R | |
| Al Mays (21) | 132 | 1886 | 350.0 | R | |
| Red Ruffing+ (24) | 132 | 1929 | 244.1 | R | |
| Jack Scott (35) | 132 | 1927 | 233.1 | R | |
| 423. | Lew Burdette (32) | 131 | 1959 | 289.2 | R |
| Larry Corcoran (23) | 131 | 1883 | 473.2 | R | |
| Dixie Davis (30) | 131 | 1921 | 265.1 | R | |
| George Derby (24) | 131 | 1882 | 362.0 | R | |
| Howard Ehmke (28) | 131 | 1922 | 279.2 | R | |
| Shawn Estes (31) | 131 | 2004 | 202.0 | L | |
| Hank Gastright (25) | 131 | 1890 | 401.1 | R | |
| George Keefe (22) | 131 | 1889 | 230.0 | L | |
| José Lima (32) | 131 | 2005 | 168.2 | R | |
| Mickey Lolich (32) | 131 | 1973 | 308.2 | L | |
| Charlie McCullough (24) | 131 | 1890 | 241.2 | R | |
| Billy Rhines (28) | 131 | 1897 | 288.2 | R | |
| Jimmy Ring (28) | 131 | 1923 | 304.1 | R | |
| Jimmy Ring (30) | 131 | 1925 | 270.0 | R | |
| John Sowders (23) | 131 | 1890 | 309.0 | L | |
| 438. | Pedro Astacio (30) | 130 | 1999 | 232.0 | R |
| George Caster (32) | 130 | 1940 | 178.1 | R | |
| Ice Box Chamberlain (19) | 130 | 1887 | 309.0 | R | |
| Ed Daily (27) | 130 | 1890 | 344.2 | R | |
| George Earnshaw (32) | 130 | 1932 | 245.1 | R | |
| Sammy Ellis (25) | 130 | 1966 | 221.0 | R | |
| Hank Gastright (28) | 130 | 1893 | 215.0 | R | |
| Pretzels Getzien (22) | 130 | 1886 | 386.2 | R | |
| Burleigh Grimes+ (29) | 130 | 1923 | 327.0 | R | |
| Willis Hudlin (25) | 130 | 1931 | 254.1 | R | |
| Wayne LaMaster (30) | 130 | 1937 | 220.1 | L | |
| Con Lucid (21) | 130 | 1895 | 206.2 | ||
| Jason Marquis (27) | 130 | 2006 | 194.1 | R | |
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| James McJames (22) | 130 | 1897 | 323.2 | R | |
| Mike Mussina+ (27) | 130 | 1996 | 243.1 | R | |
| Toad Ramsey (23) | 130 | 1888 | 342.1 | L | |
| Buck Ross (21) | 130 | 1936 | 200.2 | R | |
| Johnny Sain (31) | 130 | 1949 | 243.0 | R | |
| Dupee Shaw (28) | 130 | 1887 | 181.1 | L | |
| Vic Sorrell (28) | 130 | 1929 | 226.0 | R | |
| Dave Stewart (34) | 130 | 1991 | 226.0 | R | |
| George Uhle (23) | 130 | 1922 | 287.1 | R | |
| Bucky Walters (28) | 130 | 1937 | 246.1 | R | |
| Lefty Williams (27) | 130 | 1920 | 299.0 | L | |
| Jamey Wright (23) | 130 | 1998 | 206.1 | R | |
| 463. | Bill Bernhard (30) | 129 | 1901 | 257.0 | R |
| Theodore Breitenstein (28) | 129 | 1897 | 320.1 | L | |
| Murry Dickson (34) | 129 | 1951 | 288.2 | R | |
| Jack Dunn (25) | 129 | 1898 | 322.2 | R | |
| Jack Fifield (25) | 129 | 1897 | 210.2 | R | |
| Pud Galvin+ (29) | 129 | 1886 | 434.2 | R | |
| George Haddock (22) | 129 | 1889 | 276.1 | R | |
| Erik Hanson (31) | 129 | 1996 | 214.2 | R | |
| Mel Harder (26) | 129 | 1936 | 224.2 | R | |
| LaTroy Hawkins (26) | 129 | 1999 | 174.1 | R | |
| Pink Hawley (27) | 129 | 1900 | 329.1 | R | |
| Mark Langston (25) | 129 | 1986 | 239.1 | L | |
| Rick Mahler (32) | 129 | 1986 | 237.2 | R | |
| Sadie McMahon (26) | 129 | 1894 | 275.2 | R | |
| Bobo Newsom (34) | 129 | 1942 | 245.2 | R | |
| Phil Niekro+ (40) | 129 | 1979 | 342.0 | R | |
| Gaylord Perry+ (34) | 129 | 1973 | 344.0 | R | |
| Charlie Root (28) | 129 | 1927 | 309.0 | R | |
| Dutch Ruether (29) | 129 | 1923 | 275.0 | L | |
| Bill Sherdel (32) | 129 | 1929 | 195.2 | L | |
| Urban Shocker (30) | 129 | 1921 | 326.2 | R | |
| Tanyon Sturtze (31) | 129 | 2002 | 224.0 | R | |
| Tommy Thomas (31) | 129 | 1931 | 245.1 | R | |
| Mickey Welch+ (23) | 129 | 1883 | 426.0 | R | |
| Mickey Welch+ (27) | 129 | 1887 | 346.0 | R | |
| Claude Willoughby (31) | 129 | 1930 | 153.0 | R | |
| 489. | John Clarkson+ (23) | 128 | 1885 | 623.0 | R |
| Benny Frey (24) | 128 | 1930 | 245.0 | R | |
| Pud Galvin+ (31) | 128 | 1888 | 437.1 | R | |
| Slim Harriss (24) | 128 | 1922 | 229.2 | R | |
| Hardie Henderson (21) | 128 | 1884 | 439.1 | R | |
| Hardie Henderson (23) | 128 | 1886 | 295.1 | R | |
| Sid Hudson (25) | 128 | 1940 | 252.0 | R | |
| Wyatt Lee (21) | 128 | 1901 | 262.0 | L | |
| Elmer Myers (22) | 128 | 1916 | 315.0 | R | |
| Bobo Newsom (33) | 128 | 1941 | 250.1 | R | |
| Monte Pearson (25) | 128 | 1934 | 254.2 | R | |
| Bill Rotes (22) | 128 | 1893 | 151.2 | ||
| Rank | Player (age that year) | Earned Runs | Year | IP | Throws |
| Henry Schmidt (30) | 128 | 1903 | 301.0 | R | |
| Sherry Smith (34) | 128 | 1925 | 237.0 | L | |
| Frank Viola (23) | 128 | 1983 | 210.0 | L | |
| David Wells (33) | 128 | 1996 | 224.1 | L | |
| Jim Whitney (25) | 128 | 1883 | 514.0 | R | |
| Wilbur Wood (32) | 128 | 1974 | 320.1 | L | |
| Early Wynn+ (28) | 128 | 1948 | 198.0 | R |
