| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 6.06 | 190305260_OAK_CLE |
| Sam Leever | PIT | 2.87 | 190305250_PIT_LAN |
| Dummy Taylor | SFN | 2.56 | 190305250_SLN_SFN |
| Jack Taylor | CHN | 2.52 | 190305260_CHN_SFN |
| Vic Willis | ATL | 1.95 | 190305270_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | PHI | -1.28 | 190305260_CIN_PHI |
| Mordecai Brown | SLN | -1.12 | 190305250_SLN_SFN |
| Bob Ewing | CIN | -0.74 | 190305270_CIN_PHI |
| Wiley Piatt | ATL | -0.7 | 190305250_CIN_ATL |
| Oscar Jones | LAN | -0.64 | 190305270_SLN_LAN |
Based on accumulated WAA for this season up to 1903-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.93 | Rube Waddell | 93 | OAK |
| +002+ | 3.92 | Eddie Plank | 78 | OAK |
| +003+ | 3.86 | Cy Young | 87.7 | BOS |
| +004+ | 3.42 | Bill Donovan | 62.7 | DET |
| +005+ | 3.37 | George Mullin | 75 | DET |
| +006+ | 3.31 | Addie Joss | 70 | CLE |
| +007+ | 3.28 | Roy Patterson | 64 | CHA |
| +008+ | 2.81 | Jack Chesbro | 80.7 | NYA |
| +009+ | 2.69 | Earl Moore | 53 | CLE |
| +011+ | 2.6 | Doc White | 59 | CHA |
| +012+ | 2.53 | Jack Sutthoff | 66 | CIN |
| +013+ | 2.41 | Bill Dinneen | 66.7 | BOS |
| +014+ | 2.31 | Patsy Flaherty | 69.3 | CHA |
| +016+ | 2.08 | Ed Siever | 54 | BAL |
| +017+ | 2.08 | Willie Sudhoff | 54 | BAL |
| +018+ | 1.91 | Sam Leever | 63 | PIT |
| +019+ | 1.9 | Bill Bernhard | 62 | CLE |
| +020+ | 1.86 | Jesse Tannehill | 54.3 | NYA |
| +022+ | 1.8 | Joe McGinnity | 98.7 | SFN |
| +025+ | 1.69 | Jack Powell | 63 | BAL |
| +026+ | 1.66 | Mal Eason | 38.3 | DET |
| +028+ | 1.58 | Jack Taylor | 89.3 | CHN |
| +031+ | 1.41 | Chief Bender | 65.3 | OAK |
| +033+ | 1.32 | Frank Kitson | 52 | DET |
| +035+ | 1.28 | Red Donahue | 61 | BAL |
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