| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Donovan | DET | 5.36 | 190308030_DET_CLE |
| Doc White | CHA | 3.18 | 190308020_CLE_CHA |
| Eddie Plank | OAK | 2.32 | 190308030_OAK_NYA |
| Addie Joss | CLE | 2.26 | 190308030_DET_CLE |
| Willie Sudhoff | BAL | 2.18 | 190308020_DET_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Henry Schmidt | LAN | -3.13 | 190308030_LAN_PHI |
| Chick Fraser | PHI | -2.73 | 190308030_LAN_PHI |
| Roy Evans | BAL | -2.36 | 190308042_CHA_BAL |
| Jack Harper | CIN | -1.34 | 190308020_CHN_CIN |
| Cy Falkenberg | PIT | -0.87 | 190308030_PIT_SLN |
Based on accumulated WAA for this season up to 1903-08-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.75 | Bill Donovan | 200 | DET |
| +002+ | 9.38 | Cy Young | 223.7 | BOS |
| +003+ | 9.06 | Rube Waddell | 267 | OAK |
| +004+ | 8.42 | Earl Moore | 176.7 | CLE |
| +005+ | 8.32 | Willie Sudhoff | 186.3 | BAL |
| +006+ | 8.13 | Doc White | 199.3 | CHA |
| +007+ | 7.84 | George Mullin | 209 | DET |
| +008+ | 7.78 | Addie Joss | 220.7 | CLE |
| +009+ | 7.48 | Eddie Plank | 207.3 | OAK |
| +010+ | 7.14 | Bill Dinneen | 184.7 | BOS |
| +015+ | 5.02 | Tom Hughes | 137.7 | BOS |
| +016+ | 4.88 | Chief Bender | 178.3 | OAK |
| +018+ | 4.3 | Frank Kitson | 156.7 | DET |
| +021+ | 4.26 | Ed Siever | 149 | BAL |
| +019+ | 4.26 | Christy Mathewson | 238.3 | SFN |
| +020+ | 4.26 | Roy Patterson | 165 | CHA |
| +024+ | 3.84 | Red Donahue | 140 | TOT |
| +027+ | 3.55 | Jack Chesbro | 214.3 | NYA |
| +029+ | 3.34 | Clark Griffith | 150.7 | NYA |
| +030+ | 3.29 | Highball Wilson | 164.3 | MIN |
| +031+ | 3.19 | Sam Leever | 179.7 | PIT |
| +046+ | 2.31 | Casey Patten | 211.7 | MIN |
| +050+ | 2.13 | Joe McGinnity | 273.7 | SFN |
| +054+ | 1.91 | Watty Lee | 81.7 | MIN |
| +060+ | 1.53 | Jesse Tannehill | 156.3 | NYA |
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