| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 5.37 | 190307270_MIN_OAK |
| Bill Donovan | DET | 4.58 | 190307261_DET_CHA |
| Doc White | CHA | 3.07 | 190307250_CHA_DET |
| Bill Dinneen | BOS | 2.83 | 190307270_NYA_BOS |
| Addie Joss | CLE | 2.44 | 190307270_CLE_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Togie Pittinger | ATL | -3.21 | 190307270_ATL_SFN |
| Chick Fraser | PHI | -2.96 | 190307250_SFN_PHI |
| Ed Poole | CIN | -1.61 | 190307251_CIN_CHN |
| Gene Wright | CLE | -1.09 | 190307260_CLE_BAL |
| Bob Rhoads | SLN | -0.77 | 190307260_SLN_CHN |
Based on accumulated WAA for this season up to 1903-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.77 | Cy Young | 206.7 | BOS |
| +002+ | 9.76 | Rube Waddell | 253 | OAK |
| +003+ | 9.21 | Bill Donovan | 182.7 | DET |
| +004+ | 7.79 | George Mullin | 197 | DET |
| +005+ | 7.52 | Earl Moore | 159.7 | CLE |
| +006+ | 7.19 | Bill Dinneen | 173.7 | BOS |
| +007+ | 6.88 | Willie Sudhoff | 168.3 | BAL |
| +008+ | 6.85 | Addie Joss | 198.7 | CLE |
| +009+ | 6.81 | Bill Bernhard | 165.7 | CLE |
| +010+ | 6.54 | Doc White | 181.3 | CHA |
| +011+ | 6.13 | Eddie Plank | 180.7 | OAK |
| +014+ | 4.77 | Chief Bender | 170.3 | OAK |
| +017+ | 4.36 | Jack Chesbro | 200.3 | NYA |
| +019+ | 4.2 | Ed Siever | 132.3 | BAL |
| +021+ | 3.79 | Christy Mathewson | 210.3 | SFN |
| +022+ | 3.66 | Red Donahue | 131 | BAL |
| +023+ | 3.54 | Tom Hughes | 119.7 | BOS |
| +025+ | 3.39 | Roy Patterson | 148 | CHA |
| +027+ | 3.22 | Sam Leever | 169 | PIT |
| +032+ | 2.94 | Frank Kitson | 132.7 | DET |
| +033+ | 2.79 | Highball Wilson | 145.3 | MIN |
| +041+ | 2.43 | Clark Griffith | 133.7 | NYA |
| +045+ | 2.23 | Deacon Phillippe | 176.7 | PIT |
| +048+ | 2.13 | Watty Lee | 81.7 | MIN |
| +053+ | 1.67 | Jake Weimer | 175 | CHN |
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