| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | 4.27 | 190309232_DET_BOS |
| Willie Sudhoff | BAL | 3.65 | 190309242_BAL_NYA |
| Doc White | CHA | 3.15 | 190309230_CHA_OAK |
| Eddie Plank | OAK | 3 | 190309241_CHA_OAK |
| Bill Dinneen | BOS | 2.82 | 190309231_DET_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ned Garvin | LAN | -1.61 | 190309240_LAN_CIN |
| Dummy Taylor | SFN | -1.16 | 190309230_SFN_PIT |
| Happy Townsend | MIN | -0.16 | 190309230_CLE_MIN |
| Jack Taylor | CHN | -0.05 | 190309240_ATL_CHN |
| John Deering | NYA | -0.01 | 190309250_BAL_NYA |
Based on accumulated WAA for this season up to 1903-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.56 | Cy Young | 332.7 | BOS |
| +002+ | 13 | George Mullin | 311.7 | DET |
| +004+ | 11.83 | Doc White | 300 | CHA |
| +005+ | 11.52 | Bill Donovan | 307 | DET |
| +007+ | 11.11 | Eddie Plank | 327 | OAK |
| +008+ | 11.1 | Willie Sudhoff | 285.7 | BAL |
| +010+ | 10.52 | Bill Dinneen | 291 | BOS |
| +011+ | 8.2 | Frank Kitson | 249.7 | DET |
| +012+ | 8.03 | Ed Siever | 245 | BAL |
| +013+ | 7.99 | Jack Chesbro | 324.3 | NYA |
| +015+ | 7.84 | Jack Powell | 298.3 | BAL |
| +016+ | 7.79 | Roy Patterson | 283 | CHA |
| +018+ | 7.46 | Red Donahue | 258 | TOT |
| +021+ | 6.86 | Tom Hughes | 244.7 | BOS |
| +030+ | 4.94 | Chief Bender | 270 | OAK |
| +043+ | 3.86 | Christy Mathewson | 367 | SFN |
| +047+ | 3.69 | Barney Wolfe | 142.3 | NYA |
| +048+ | 3.64 | Joe McGinnity | 424 | SFN |
| +055+ | 2.76 | Watty Lee | 156.7 | MIN |
| +054+ | 2.76 | Norwood Gibson | 174.3 | BOS |
| +059+ | 2.6 | Rube Kisinger | 118.7 | DET |
| +062+ | 2.2 | George Winter | 170.3 | BOS |
| +063+ | 2.15 | Jesse Stovall | 47 | CLE |
| +065+ | 2.03 | Casey Patten | 291 | MIN |
| +066+ | 2.01 | Ed Killian | 61.7 | CLE |
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