Baseball – Leading Career ERA Record Holders
| Rank | Player | ERA |
| 1 | Ed Walsh | 1.816 |
| 2 | Addie Joss | 1.887 |
| 3 | Jim Devlin | 1.896 |
| 4 | Jack Pfiester | 2.024 |
| 5 | Smoky Joe Wood | 2.033 |
| 6 | Mordecai Brown | 2.057 |
| 7 | John Ward | 2.099 |
| 8 | Christy Mathewson | 2.133 |
| 8 | Al Spalding | 2.133 |
| 10 | Tommy Bond | 2.138 |
| 11 | Rube Waddell | 2.161 |
| 12 | Walter Johnson | 2.167 |
| 13 | Mariano Rivera | 2.209 |
| 14 | Jake Weimer | 2.231 |
| 15 | Orval Overall | 2.257 |
| 16 | Will White | 2.276 |
| 17 | Babe Ruth | 2.277 |
| 18 | Ed Reulbach | 2.284 |
| 19 | Jim Scott | 2.298 |
| 20 | Reb Russell | 2.334 |
| 21 | Andy Coakley | 2.350 |
| 21 | Eddie Plank | 2.350 |
| 23 | Larry Corcoran | 2.355 |
| 24 | Eddie Cicotte | 2.380 |
| 25 | George McQuillan | 2.381 |
| 26 | Ed Killian | 2.382 |
| 27 | Doc White | 2.391 |
| 28 | Harry Coveleski | 2.394 |
| 29 | Carl Lundgren | 2.417 |
| 30 | Nap Rucker | 2.421 |
| 31 | Candy Cummings | 2.424 |
| 32 | Jeff Tesreau | 2.428 |
| 33 | Joe Benz | 2.429 |
| 34 | Jim McCormick | 2.431 |
| 35 | George Bradley | 2.434 |
| 36 | Terry Larkin | 2.435 |
| 37 | Charles Bender | 2.455 |
| 38 | Hooks Wiltse | 2.471 |
| 39 | Sam Leever | 2.473 |
| 39 | Lefty Leifield | 2.473 |
| 41 | Hippo Vaughn | 2.486 |
| 42 | Bob Ewing | 2.492 |
| 43 | Cy Morgan | 2.509 |
| 44 | Ray Collins | 2.513 |
| 45 | Hoyt Wilhelm | 2.523 |
| 46 | Clayton Kershaw | 2.534 |
| 47 | Lew Richie | 2.536 |
| 48 | Noodles Hahn | 2.546 |
| 49 | George Zettlein | 2.547 |
| 50 | Frank Owen | 2.552 |
Updated: October 4, 2025
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