| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 4.67 | 190308140_BOS_DET |
| Doc White | CHA | 4.45 | 190308130_OAK_CHA |
| Rube Waddell | OAK | 4.26 | 190308140_OAK_CHA |
| Bill Donovan | DET | 4.1 | 190308140_BOS_DET |
| Earl Moore | CLE | 3.68 | 190308150_NYA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Togie Pittinger | ATL | -3.72 | 190308152_PIT_ATL |
| Henry Schmidt | LAN | -3.64 | 190308152_SLN_LAN |
| Bob Rhoads | SLN | -1.41 | 190308151_SLN_LAN |
| Gene Wright | BAL | -0.95 | 190308150_MIN_BAL |
| Cy Falkenberg | PIT | -0.69 | 190308140_PIT_LAN |
Based on accumulated WAA for this season up to 1903-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.14 | Earl Moore | 212.7 | CLE |
| +002+ | 9.96 | Cy Young | 248.7 | BOS |
| +003+ | 9.8 | Willie Sudhoff | 204.3 | BAL |
| +004+ | 9.6 | Bill Donovan | 218 | DET |
| +005+ | 9.5 | Doc White | 226.3 | CHA |
| +006+ | 9.24 | Addie Joss | 247.7 | CLE |
| +007+ | 8.88 | Rube Waddell | 290 | OAK |
| +008+ | 8.12 | George Mullin | 227 | DET |
| +009+ | 8.1 | Bill Dinneen | 211.7 | BOS |
| +010+ | 7.95 | Eddie Plank | 228.3 | OAK |
| +012+ | 6.19 | Tom Hughes | 164.7 | BOS |
| +015+ | 6.03 | Chief Bender | 195.3 | OAK |
| +016+ | 5.86 | Frank Kitson | 174.7 | DET |
| +017+ | 5.48 | Red Donahue | 169 | TOT |
| +020+ | 4.96 | Christy Mathewson | 265.3 | SFN |
| +021+ | 4.91 | Jack Chesbro | 240.3 | NYA |
| +022+ | 4.74 | Ed Siever | 165 | BAL |
| +023+ | 4.56 | Roy Patterson | 187 | CHA |
| +026+ | 3.9 | Clark Griffith | 168 | NYA |
| +035+ | 3.24 | Watty Lee | 96.7 | MIN |
| +045+ | 2.63 | Jack Powell | 206.3 | BAL |
| +047+ | 2.52 | Jesse Tannehill | 171.3 | NYA |
| +049+ | 2.49 | Highball Wilson | 179.3 | MIN |
| +048+ | 2.49 | Sam Leever | 202 | PIT |
| +050+ | 2.46 | Casey Patten | 228 | MIN |
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