| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.24 | 190305302_MIN_BOS |
| Rube Waddell | OAK | 5.89 | 190305302_NYA_OAK |
| Bill Donovan | DET | 4.16 | 190305302_DET_BAL |
| Ed Siever | BAL | 3.97 | 190305290_BAL_DET |
| Doc White | CHA | 3.53 | 190305290_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Fred Mitchell | PHI | -3.87 | 190305290_PHI_LAN |
| Ed Poole | CIN | -2.21 | 190305301_CIN_PIT |
| Mike O'Neill | SLN | -1.89 | 190305310_SLN_CHN |
| Wiley Piatt | ATL | -0.84 | 190305301_ATL_SFN |
| Norwood Gibson | BOS | -0.55 | 190305301_MIN_BOS |
Based on accumulated WAA for this season up to 1903-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.5 | Cy Young | 96.7 | BOS |
| +002+ | 3.92 | Rube Waddell | 102 | OAK |
| +003+ | 3.79 | Eddie Plank | 81 | OAK |
| +004+ | 3.65 | Roy Patterson | 69 | CHA |
| +005+ | 3.57 | Addie Joss | 79 | CLE |
| +006+ | 3.32 | Jack Chesbro | 89.7 | NYA |
| +007+ | 3.21 | Earl Moore | 62 | CLE |
| +008+ | 3.14 | Doc White | 68 | CHA |
| +009+ | 3.05 | George Mullin | 84 | DET |
| +010+ | 3.02 | Bill Donovan | 70.7 | DET |
| +011+ | 2.68 | Bill Dinneen | 75.7 | BOS |
| +012+ | 2.63 | Jack Sutthoff | 75 | CIN |
| +014+ | 2.59 | Willie Sudhoff | 63 | BAL |
| +013+ | 2.59 | Ed Siever | 63 | BAL |
| +015+ | 2.44 | Joe McGinnity | 107.7 | SFN |
| +017+ | 2.08 | Jesse Tannehill | 62 | NYA |
| +019+ | 2.01 | Jack Taylor | 98.3 | CHN |
| +020+ | 1.99 | Sam Leever | 72 | PIT |
| +021+ | 1.97 | Bill Bernhard | 71 | CLE |
| +023+ | 1.83 | Mal Eason | 47.3 | DET |
| +029+ | 1.57 | Red Donahue | 70 | BAL |
| +032+ | 1.54 | Jack Powell | 63 | BAL |
| +036+ | 1.38 | Chief Bender | 73.3 | OAK |
| +041+ | 1.28 | Bill Reidy | 18 | BAL |
| XXXXX | 1.23 | Frank Kitson | 52 | DET |
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