| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.2 | 190309150_NYA_BOS |
| Bill Donovan | DET | 4.53 | 190309160_DET_MIN |
| Eddie Plank | OAK | 2.36 | 190309150_OAK_MIN |
| Sam Leever | PIT | 0.73 | 190309151_ATL_PIT |
| Jesse Tannehill | NYA | 0.41 | 190309150_NYA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| 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 |
| Pop Williams | ATL | -0.99 | 190309151_ATL_PIT |
Based on accumulated WAA for this season up to 1903-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.26 | Cy Young | 323.7 | BOS |
| +004+ | 11.13 | Willie Sudhoff | 265.7 | BAL |
| +005+ | 11.04 | Bill Donovan | 279 | DET |
| +006+ | 10.87 | Doc White | 282.7 | CHA |
| +008+ | 10.71 | Bill Dinneen | 273 | BOS |
| +009+ | 10.18 | Rube Waddell | 324 | OAK |
| +010+ | 8.77 | Eddie Plank | 298.7 | OAK |
| +012+ | 7.5 | Frank Kitson | 232.7 | DET |
| +015+ | 6.71 | Jack Powell | 277.3 | BAL |
| +016+ | 6.68 | Tom Hughes | 224.7 | BOS |
| +017+ | 6.64 | Roy Patterson | 260.7 | CHA |
| +018+ | 6.59 | Ed Siever | 229 | BAL |
| +020+ | 6.38 | Jack Chesbro | 306.3 | NYA |
| +022+ | 6.16 | Red Donahue | 241 | TOT |
| +024+ | 5.67 | Chief Bender | 249.3 | OAK |
| +026+ | 5.57 | Clark Griffith | 204 | NYA |
| +027+ | 5 | Sam Leever | 276 | PIT |
| +048+ | 3.37 | Highball Wilson | 232.3 | MIN |
| +049+ | 3.36 | Rube Kisinger | 102.7 | DET |
| +050+ | 3.16 | Joe McGinnity | 407 | SFN |
| +052+ | 2.87 | Christy Mathewson | 348 | SFN |
| +054+ | 2.84 | Jesse Tannehill | 230.3 | NYA |
| +055+ | 2.83 | Watty Lee | 143.3 | MIN |
| +058+ | 2.68 | George Winter | 162.3 | BOS |
| +060+ | 2.53 | Ed Killian | 45 | CLE |
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