| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.3 | 190309261_BAL_BOS |
| George Mullin | DET | 4.88 | 190309261_DET_NYA |
| Ed Siever | BAL | 1.9 | 190309261_BAL_BOS |
| Chief Bender | OAK | 0.9 | 190309250_CHA_OAK |
| Joe McGinnity | SFN | 0.41 | 190309260_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Togie Pittinger | ATL | -3.65 | 190309260_ATL_CHN |
| Chick Fraser | PHI | -3.19 | 190309271_PHI_SLN |
| Bob Rhoads | CLE | -2.37 | 190309260_CLE_OAK |
| Chappie McFarland | SLN | -1.13 | 190309260_PHI_SLN |
| Carl Lundgren | CHN | -0.45 | 190309260_ATL_CHN |
Based on accumulated WAA for this season up to 1903-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.64 | Cy Young | 341.7 | BOS |
| +002+ | 12.53 | George Mullin | 320.7 | DET |
| +004+ | 11.92 | Doc White | 300 | CHA |
| +005+ | 11.7 | Bill Donovan | 307 | DET |
| +007+ | 11.22 | Willie Sudhoff | 285.7 | BAL |
| +008+ | 11.21 | Eddie Plank | 327 | OAK |
| +010+ | 10.63 | Bill Dinneen | 291 | BOS |
| +011+ | 8.54 | Ed Siever | 254 | BAL |
| +012+ | 8.35 | Frank Kitson | 249.7 | DET |
| +013+ | 8.16 | Jack Chesbro | 324.3 | NYA |
| +016+ | 7.88 | Roy Patterson | 283 | CHA |
| +018+ | 7.56 | Red Donahue | 258 | TOT |
| +021+ | 6.95 | Tom Hughes | 244.7 | BOS |
| +031+ | 5.02 | Chief Bender | 270 | OAK |
| +037+ | 4.36 | Joe McGinnity | 433 | SFN |
| +043+ | 3.97 | Christy Mathewson | 367 | SFN |
| +055+ | 2.83 | Norwood Gibson | 174.3 | BOS |
| +056+ | 2.8 | Watty Lee | 156.7 | MIN |
| +058+ | 2.67 | Rube Kisinger | 118.7 | DET |
| +061+ | 2.55 | George Winter | 178.3 | BOS |
| +063+ | 2.17 | Jesse Stovall | 47 | CLE |
| +065+ | 2.05 | Jake Weimer | 282.3 | CHN |
| +066+ | 2.03 | Ed Killian | 61.7 | CLE |
| +071+ | 1.88 | Martin Glendon | 27.7 | CLE |
| +072+ | 1.88 | Casey Patten | 300 | MIN |
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