| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.09 | 190309190_CHA_BOS |
| George Mullin | DET | 4.27 | 190309190_DET_OAK |
| Willie Sudhoff | BAL | 3.86 | 190309181_BAL_OAK |
| Doc White | CHA | 3.68 | 190309181_CHA_NYA |
| Jack Chesbro | NYA | 1.14 | 190309190_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -4.76 | 190309201_ATL_SLN |
| Togie Pittinger | ATL | -4.71 | 190309182_ATL_PIT |
| Fred Mitchell | PHI | -4.07 | 190309201_PHI_CIN |
| Ned Garvin | LAN | -1.23 | 190309191_LAN_PIT |
| Dummy Taylor | SFN | -1.2 | 190309180_SFN_CIN |
Based on accumulated WAA for this season up to 1903-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.69 | Cy Young | 332.7 | BOS |
| +002+ | 12.73 | George Mullin | 303.7 | DET |
| +004+ | 11.33 | Bill Donovan | 279 | DET |
| +005+ | 11.03 | Doc White | 290.7 | CHA |
| +007+ | 11 | Willie Sudhoff | 268.7 | BAL |
| +008+ | 10.46 | Bill Dinneen | 282 | BOS |
| +009+ | 10.43 | Rube Waddell | 324 | OAK |
| +010+ | 9.76 | Eddie Plank | 307 | OAK |
| +011+ | 8.05 | Frank Kitson | 240.7 | DET |
| +013+ | 7.7 | Jack Powell | 290.3 | BAL |
| +015+ | 7.22 | Jack Chesbro | 315.3 | NYA |
| +016+ | 6.91 | Roy Patterson | 260.7 | CHA |
| +017+ | 6.88 | Red Donahue | 249 | TOT |
| +018+ | 6.86 | Tom Hughes | 224.7 | BOS |
| +020+ | 6.79 | Ed Siever | 229 | BAL |
| +027+ | 4.97 | Chief Bender | 251 | OAK |
| +029+ | 4.82 | Sam Leever | 285 | PIT |
| +036+ | 4.28 | Barney Wolfe | 133.3 | NYA |
| +042+ | 3.89 | Joe McGinnity | 416 | SFN |
| +047+ | 3.65 | Highball Wilson | 233.3 | MIN |
| +050+ | 3.43 | Christy Mathewson | 358 | SFN |
| +051+ | 3.35 | Rube Kisinger | 110.7 | DET |
| +053+ | 3.03 | Jesse Tannehill | 230.3 | NYA |
| +056+ | 2.81 | George Winter | 162.3 | BOS |
| +060+ | 2.3 | Ed Killian | 53.7 | CLE |
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