| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Donovan | DET | 3.99 | 190309121_DET_CLE |
| Doc White | CHA | 3.44 | 190309132_CHA_BAL |
| Willie Sudhoff | BAL | 3.31 | 190309120_CHA_BAL |
| Bill Dinneen | BOS | 3.28 | 190309140_NYA_BOS |
| Red Donahue | CLE | 1.23 | 190309122_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -4.55 | 190309142_SFN_SLN |
| Togie Pittinger | ATL | -3.76 | 190309140_ATL_CIN |
| Chick Fraser | PHI | -3.31 | 190309120_PHI_PIT |
| Dummy Taylor | SFN | -1.45 | 190309141_SFN_SLN |
| Ed Poole | CIN | -1.42 | 190309120_ATL_CIN |
Based on accumulated WAA for this season up to 1903-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.94 | Cy Young | 314.7 | BOS |
| +002+ | 12.08 | Bill Donovan | 271 | DET |
| +003+ | 11.98 | George Mullin | 295.7 | DET |
| +005+ | 11.02 | Willie Sudhoff | 265.7 | BAL |
| +006+ | 10.76 | Doc White | 282.7 | CHA |
| +007+ | 10.57 | Bill Dinneen | 273 | BOS |
| +009+ | 10.02 | Rube Waddell | 324 | OAK |
| +010+ | 8.77 | Eddie Plank | 290.7 | OAK |
| +012+ | 7.44 | Tom Hughes | 222.7 | BOS |
| +013+ | 7.39 | Frank Kitson | 232.7 | DET |
| +015+ | 6.97 | Red Donahue | 235 | TOT |
| +017+ | 6.59 | Jack Powell | 277.3 | BAL |
| +018+ | 6.53 | Roy Patterson | 260.7 | CHA |
| +019+ | 6.5 | Ed Siever | 229 | BAL |
| +022+ | 6.23 | Jack Chesbro | 306.3 | NYA |
| +024+ | 5.55 | Chief Bender | 249.3 | OAK |
| +025+ | 5.47 | Clark Griffith | 204 | NYA |
| +027+ | 4.94 | Sam Leever | 267 | PIT |
| +040+ | 3.71 | Jesse Tannehill | 222.3 | NYA |
| +042+ | 3.67 | Joe McGinnity | 398.3 | SFN |
| +048+ | 3.31 | Rube Kisinger | 102.7 | DET |
| +049+ | 3.28 | Highball Wilson | 232.3 | MIN |
| +051+ | 3.17 | Ed Killian | 43 | CLE |
| +053+ | 3.1 | Christy Mathewson | 343 | SFN |
| +059+ | 2.4 | Watty Lee | 134.3 | MIN |
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