| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 5.74 | 190307231_BOS_NYA |
| Rube Waddell | OAK | 5.18 | 190307230_OAK_MIN |
| Bill Donovan | DET | 4.14 | 190307230_CHA_DET |
| Doc White | CHA | 4.07 | 190307210_CHA_MIN |
| Addie Joss | CLE | 1.96 | 190307230_BAL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Mitchell | PHI | -3.66 | 190307230_SFN_PHI |
| Togie Pittinger | ATL | -3.14 | 190307220_LAN_ATL |
| Roy Evans | BAL | -1.97 | 190307220_BAL_CLE |
| Henry Schmidt | LAN | -1.69 | 190307220_LAN_ATL |
| Mordecai Brown | SLN | -1.3 | 190307220_CIN_SLN |
Based on accumulated WAA for this season up to 1903-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.34 | Cy Young | 202.7 | BOS |
| +002+ | 8.49 | Rube Waddell | 236 | OAK |
| +003+ | 8.44 | Bill Donovan | 173.7 | DET |
| +004+ | 7.9 | Addie Joss | 190.7 | CLE |
| +005+ | 7.43 | Earl Moore | 159.7 | CLE |
| +006+ | 6.71 | Bill Bernhard | 163.3 | CLE |
| +007+ | 6.62 | George Mullin | 179 | DET |
| +008+ | 6.52 | Doc White | 173.7 | CHA |
| +009+ | 6.31 | Bill Dinneen | 164.7 | BOS |
| +010+ | 6.02 | Eddie Plank | 180.7 | OAK |
| +011+ | 6.01 | Willie Sudhoff | 150.3 | BAL |
| +014+ | 4.57 | Chief Bender | 162.3 | OAK |
| +016+ | 4.4 | Sam Leever | 157 | PIT |
| +017+ | 4.2 | Jack Chesbro | 197.3 | NYA |
| +018+ | 4.15 | Barney Wolfe | 99.3 | NYA |
| +020+ | 3.95 | Ed Siever | 123.3 | BAL |
| +022+ | 3.77 | Roy Patterson | 128.3 | CHA |
| +024+ | 3.6 | Red Donahue | 131 | BAL |
| +025+ | 3.59 | Christy Mathewson | 202.3 | SFN |
| +026+ | 3.5 | Tom Hughes | 119.7 | BOS |
| +034+ | 2.53 | Highball Wilson | 136.3 | MIN |
| +039+ | 2.42 | Clark Griffith | 129.7 | NYA |
| +041+ | 2.36 | Frank Kitson | 123.7 | DET |
| +043+ | 2.2 | Deacon Phillippe | 167.7 | PIT |
| +045+ | 2.09 | Watty Lee | 81.7 | MIN |
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