| 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 |
| Jack Chesbro | NYA | 0.99 | 190309140_NYA_BOS |
| Sam Leever | PIT | 0.73 | 190309151_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -4.55 | 190309142_SFN_SLN |
| Togie Pittinger | ATL | -3.76 | 190309140_ATL_CIN |
| Dummy Taylor | SFN | -1.45 | 190309141_SFN_SLN |
| Bill Duggleby | PHI | -1.36 | 190309140_PHI_PIT |
| Oscar Jones | LAN | -0.34 | 190309140_LAN_CHN |
Based on accumulated WAA for this season up to 1903-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.22 | Cy Young | 323.7 | BOS |
| +004+ | 11.11 | Willie Sudhoff | 265.7 | BAL |
| +005+ | 11.03 | Bill Donovan | 279 | DET |
| +006+ | 10.86 | Doc White | 282.7 | CHA |
| +008+ | 10.67 | Bill Dinneen | 273 | BOS |
| +009+ | 10.16 | Rube Waddell | 324 | OAK |
| +010+ | 8.76 | Eddie Plank | 298.7 | OAK |
| +012+ | 7.49 | Frank Kitson | 232.7 | DET |
| +015+ | 6.7 | Jack Powell | 277.3 | BAL |
| +016+ | 6.65 | Tom Hughes | 224.7 | BOS |
| +017+ | 6.62 | Roy Patterson | 260.7 | CHA |
| +018+ | 6.58 | Ed Siever | 229 | BAL |
| +020+ | 6.37 | Jack Chesbro | 306.3 | NYA |
| +023+ | 6.13 | Red Donahue | 241 | TOT |
| +024+ | 5.66 | Chief Bender | 249.3 | OAK |
| +025+ | 5.56 | Clark Griffith | 204 | NYA |
| +028+ | 4.98 | Sam Leever | 276 | PIT |
| +047+ | 3.36 | Highball Wilson | 232.3 | MIN |
| +048+ | 3.36 | Rube Kisinger | 102.7 | DET |
| +050+ | 3.14 | Joe McGinnity | 407 | SFN |
| +052+ | 2.86 | Christy Mathewson | 348 | SFN |
| +054+ | 2.83 | Jesse Tannehill | 230.3 | NYA |
| +055+ | 2.83 | Watty Lee | 143.3 | MIN |
| +058+ | 2.52 | Ed Killian | 45 | CLE |
| +060+ | 2.38 | George Winter | 154.3 | BOS |
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