| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Donovan | DET | 3.45 | 190309210_DET_OAK |
| Willie Sudhoff | BAL | 3.21 | 190309220_BAL_MIN |
| Eddie Plank | OAK | 2.54 | 190309210_DET_OAK |
| Roy Patterson | CHA | 1.24 | 190309210_CHA_BOS |
| Tom Hughes | BOS | 1.18 | 190309220_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -4.76 | 190309201_ATL_SLN |
| Togie Pittinger | ATL | -4.39 | 190309220_ATL_SLN |
| Fred Mitchell | PHI | -4.07 | 190309201_PHI_CIN |
| Bob Rhoads | CLE | -2.69 | 190309210_CLE_NYA |
| Henry Schmidt | LAN | -1.93 | 190309220_LAN_PIT |
Based on accumulated WAA for this season up to 1903-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.77 | Cy Young | 332.7 | BOS |
| +002+ | 12.89 | George Mullin | 303.7 | DET |
| +004+ | 11.54 | Willie Sudhoff | 277.7 | BAL |
| +005+ | 11.16 | Bill Donovan | 287 | DET |
| +007+ | 11.12 | Doc White | 290.7 | CHA |
| +008+ | 10.59 | Rube Waddell | 324 | OAK |
| +009+ | 10.54 | Bill Dinneen | 282 | BOS |
| +010+ | 10.5 | Eddie Plank | 316 | OAK |
| +011+ | 8.37 | Frank Kitson | 249.7 | DET |
| +012+ | 7.86 | Jack Powell | 290.3 | BAL |
| +015+ | 7.39 | Roy Patterson | 272.3 | CHA |
| +016+ | 7.37 | Jack Chesbro | 315.3 | NYA |
| +017+ | 7.13 | Ed Siever | 236 | BAL |
| +018+ | 7 | Red Donahue | 249 | TOT |
| +022+ | 6.46 | Tom Hughes | 233.7 | BOS |
| +025+ | 5.58 | Clark Griffith | 213 | NYA |
| +027+ | 5.09 | Chief Bender | 251 | OAK |
| +034+ | 4.35 | Barney Wolfe | 133.3 | NYA |
| +044+ | 3.79 | Christy Mathewson | 367 | SFN |
| +046+ | 3.76 | Highball Wilson | 233.3 | MIN |
| +049+ | 3.57 | Joe McGinnity | 424 | SFN |
| +051+ | 3.41 | Rube Kisinger | 110.7 | DET |
| +053+ | 3.1 | Jesse Tannehill | 239.3 | NYA |
| +054+ | 2.86 | George Winter | 162.3 | BOS |
| +060+ | 2.36 | Watty Lee | 152.3 | MIN |
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