| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.66 | 190305130_BOS_CLE |
| Rube Waddell | OAK | 5.99 | 190305140_OAK_CHA |
| Bill Donovan | DET | 4.09 | 190305130_NYA_DET |
| Doc White | CHA | 3.71 | 190305140_OAK_CHA |
| Dummy Taylor | SFN | 2.35 | 190305130_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -1.76 | 190305140_SLN_ATL |
| Gene Wright | CLE | -1.11 | 190305120_BOS_CLE |
| Jack McFetridge | PHI | -1.1 | 190305140_PIT_PHI |
| Jack Harper | CIN | -1.08 | 190305130_CIN_SFN |
| Henry Thielman | LAN | -0.72 | 190305120_CHN_LAN |
Based on accumulated WAA for this season up to 1903-05-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.83 | Eddie Plank | 57 | OAK |
| +002+ | 2.96 | Addie Joss | 43 | CLE |
| +003+ | 2.79 | Roy Patterson | 44 | CHA |
| +004+ | 2.69 | George Mullin | 53 | DET |
| +005+ | 2.57 | Rube Waddell | 57 | OAK |
| +006+ | 2.56 | Cy Young | 60.3 | BOS |
| +008+ | 2.47 | Bill Donovan | 44.7 | DET |
| +009+ | 2.29 | Doc White | 41 | CHA |
| +010+ | 2.05 | Jack Sutthoff | 41 | CIN |
| +011+ | 2.04 | Patsy Flaherty | 49.3 | CHA |
| +012+ | 1.92 | Jack Chesbro | 53 | NYA |
| +014+ | 1.72 | Ed Siever | 36 | BAL |
| +017+ | 1.58 | Henry Schmidt | 61 | LAN |
| +018+ | 1.52 | Noodles Hahn | 44 | CIN |
| +019+ | 1.5 | Earl Moore | 35 | CLE |
| +020+ | 1.46 | Joe McGinnity | 57.7 | SFN |
| +022+ | 1.42 | Sam Leever | 38 | PIT |
| +024+ | 1.38 | Chief Bender | 49.3 | OAK |
| XXXXX | 1.12 | Oscar Jones | 65 | LAN |
| XXXXX | 1.06 | Tom Hughes | 29 | BOS |
| XXXXX | 0.98 | Jack Powell | 37 | BAL |
| XXXXX | 0.96 | Bill Dinneen | 48.7 | BOS |
| XXXXX | 0.9 | Mal Eason | 29.3 | DET |
| XXXXX | 0.81 | Jack Taylor | 62 | CHN |
| XXXXX | 0.81 | Barney Wolfe | 22 | NYA |
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