| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 6.06 | 190305260_OAK_CLE |
| Cy Young | BOS | 6.05 | 190305240_BOS_CHA |
| Sam Leever | PIT | 2.87 | 190305250_PIT_LAN |
| Dummy Taylor | SFN | 2.56 | 190305250_SLN_SFN |
| Jack Taylor | CHN | 2.52 | 190305260_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | PHI | -1.28 | 190305260_CIN_PHI |
| Mordecai Brown | SLN | -1.12 | 190305250_SLN_SFN |
| Wiley Piatt | ATL | -0.7 | 190305250_CIN_ATL |
| Ned Garvin | LAN | -0.46 | 190305250_PIT_LAN |
| Happy Townsend | MIN | -0.4 | 190305240_MIN_DET |
Based on accumulated WAA for this season up to 1903-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4 | Rube Waddell | 93 | OAK |
| +002+ | 3.98 | Eddie Plank | 78 | OAK |
| +003+ | 3.93 | Cy Young | 87.7 | BOS |
| +004+ | 3.47 | Bill Donovan | 62.7 | DET |
| +005+ | 3.43 | George Mullin | 75 | DET |
| +006+ | 3.37 | Addie Joss | 70 | CLE |
| +007+ | 3.32 | Roy Patterson | 64 | CHA |
| +008+ | 2.88 | Jack Chesbro | 80.7 | NYA |
| +009+ | 2.82 | Jack Sutthoff | 66 | CIN |
| +010+ | 2.74 | Earl Moore | 53 | CLE |
| +011+ | 2.64 | Doc White | 59 | CHA |
| +013+ | 2.46 | Bill Dinneen | 66.7 | BOS |
| +016+ | 2.12 | Ed Siever | 54 | BAL |
| +015+ | 2.12 | Willie Sudhoff | 54 | BAL |
| +017+ | 1.95 | Sam Leever | 63 | PIT |
| +018+ | 1.9 | Jesse Tannehill | 54.3 | NYA |
| +019+ | 1.86 | Joe McGinnity | 89.7 | SFN |
| +022+ | 1.74 | Jack Powell | 63 | BAL |
| +025+ | 1.69 | Mal Eason | 38.3 | DET |
| +026+ | 1.64 | Jack Taylor | 89.3 | CHN |
| +028+ | 1.51 | Patsy Flaherty | 60.3 | CHA |
| +030+ | 1.46 | Chief Bender | 65.3 | OAK |
| +031+ | 1.36 | Frank Kitson | 52 | DET |
| +033+ | 1.34 | Jake Weimer | 71.3 | CHN |
| +035+ | 1.33 | Red Donahue | 61 | BAL |
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