| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Donovan | DET | 4.53 | 190309160_DET_MIN |
| Willie Sudhoff | BAL | 3.86 | 190309181_BAL_OAK |
| Doc White | CHA | 3.68 | 190309181_CHA_NYA |
| Bill Dinneen | BOS | 3.57 | 190309180_CLE_BOS |
| Chief Bender | OAK | 0.99 | 190309181_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Togie Pittinger | ATL | -4.71 | 190309182_ATL_PIT |
| Fred Mitchell | PHI | -4.03 | 190309171_PHI_CHN |
| Bob Rhoads | CLE | -2.35 | 190309170_CLE_BOS |
| Henry Schmidt | LAN | -2.16 | 190309172_LAN_SLN |
| Clarence Currie | CHN | -1.38 | 190309172_PHI_CHN |
Based on accumulated WAA for this season up to 1903-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.33 | Cy Young | 323.7 | BOS |
| +004+ | 11.14 | Bill Donovan | 279 | DET |
| +005+ | 10.84 | Doc White | 290.7 | CHA |
| +006+ | 10.84 | Willie Sudhoff | 268.7 | BAL |
| +008+ | 10.3 | Bill Dinneen | 282 | BOS |
| +009+ | 10.25 | Rube Waddell | 324 | OAK |
| +010+ | 9.58 | Eddie Plank | 307 | OAK |
| +011+ | 7.89 | Frank Kitson | 240.7 | DET |
| +014+ | 7.18 | Jack Powell | 286.3 | BAL |
| +016+ | 6.74 | Roy Patterson | 260.7 | CHA |
| +017+ | 6.73 | Tom Hughes | 224.7 | BOS |
| +018+ | 6.66 | Ed Siever | 229 | BAL |
| +020+ | 6.45 | Jack Chesbro | 306.3 | NYA |
| +021+ | 6.22 | Red Donahue | 241 | TOT |
| +028+ | 4.83 | Chief Bender | 251 | OAK |
| +029+ | 4.6 | Sam Leever | 285 | PIT |
| +036+ | 4.21 | Barney Wolfe | 133.3 | NYA |
| +047+ | 3.51 | Highball Wilson | 233.3 | MIN |
| +049+ | 3.28 | Rube Kisinger | 110.7 | DET |
| +050+ | 3.25 | Joe McGinnity | 407 | SFN |
| +052+ | 3.13 | Christy Mathewson | 350 | SFN |
| +053+ | 2.9 | Jesse Tannehill | 230.3 | NYA |
| +054+ | 2.87 | Watty Lee | 143.3 | MIN |
| +057+ | 2.72 | George Winter | 162.3 | BOS |
| +061+ | 2.27 | Ed Killian | 53.7 | CLE |
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