| Starter | Tm | Tier | Game |
|---|---|---|---|
| Earl Moore | CLE | 4.6 | 190308311_CLE_BAL |
| Bill Donovan | DET | 3.8 | 190309020_CLE_DET |
| Bill Dinneen | BOS | 2.39 | 190308311_BOS_MIN |
| Eddie Plank | OAK | 2.1 | 190309011_NYA_OAK |
| Roy Patterson | CHA | 0.84 | 190309020_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Mitchell | PHI | -4.93 | 190309021_ATL_PHI |
| Togie Pittinger | ATL | -3.96 | 190309021_ATL_PHI |
| Henry Schmidt | LAN | -3.66 | 190309012_ATL_LAN |
| Clarence Currie | SLN | -0.99 | 190308310_PIT_SLN |
| Carl Lundgren | CHN | -0.83 | 190309010_CIN_CHN |
Based on accumulated WAA for this season up to 1903-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.13 | Cy Young | 285.7 | BOS |
| +002+ | 11.97 | Earl Moore | 247.7 | CLE |
| +003+ | 11.32 | Bill Donovan | 254 | DET |
| +004+ | 10.77 | Addie Joss | 283.7 | CLE |
| +005+ | 10.57 | Willie Sudhoff | 238.7 | BAL |
| +006+ | 10.22 | Rube Waddell | 324 | OAK |
| +007+ | 9.79 | Doc White | 255.7 | CHA |
| +008+ | 9.67 | George Mullin | 263.7 | DET |
| +009+ | 9.02 | Bill Dinneen | 248 | BOS |
| +010+ | 8.11 | Eddie Plank | 271.7 | OAK |
| +015+ | 6.18 | Frank Kitson | 208.7 | DET |
| +016+ | 6.1 | Tom Hughes | 195.7 | BOS |
| +019+ | 5.94 | Roy Patterson | 235.7 | CHA |
| +020+ | 5.86 | Jack Chesbro | 274.3 | NYA |
| +021+ | 5.67 | Chief Bender | 232.3 | OAK |
| +022+ | 5.6 | Red Donahue | 210 | TOT |
| +023+ | 5.5 | Jack Powell | 259.3 | BAL |
| +024+ | 4.76 | Clark Griffith | 195 | NYA |
| +026+ | 4.68 | Sam Leever | 240 | PIT |
| +027+ | 4.6 | Ed Siever | 191 | BAL |
| +039+ | 3.42 | Barney Wolfe | 115.3 | NYA |
| +041+ | 3.24 | Christy Mathewson | 319.7 | SFN |
| +046+ | 3 | Patsy Flaherty | 247.7 | CHA |
| +047+ | 2.93 | Highball Wilson | 206.3 | MIN |
| +049+ | 2.87 | Casey Patten | 246 | MIN |
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