| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Donovan | DET | 4.84 | 190305040_DET_CHA |
| Sam Leever | PIT | 3.2 | 190305050_CHN_PIT |
| Roy Patterson | CHA | 1.61 | 190305050_DET_CHA |
| Tom Hughes | BOS | 0.86 | 190305040_MIN_BOS |
| Jack Chesbro | NYA | 0.07 | 190305040_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | SLN | -1.06 | 190305040_SLN_CIN |
| Noodles Hahn | CIN | -0.74 | 190305050_SLN_CIN |
| Fred Burchell | PHI | -0.65 | 190305040_LAN_PHI |
| Jimmy Callahan | CHA | -0.57 | 190305030_CLE_CHA |
| Jack Powell | BAL | -0.34 | 190305040_CLE_BAL |
Based on accumulated WAA for this season up to 1903-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.3 | George Mullin | 27 | DET |
| +002+ | 2.2 | Henry Schmidt | 45 | LAN |
| +003+ | 2.12 | Togie Pittinger | 36 | ATL |
| +005+ | 1.93 | Jack Chesbro | 36 | NYA |
| +006+ | 1.76 | Eddie Plank | 30 | OAK |
| +007+ | 1.54 | Cy Young | 34 | BOS |
| +008+ | 1.44 | Roy Patterson | 25 | CHA |
| +009+ | 1.37 | Addie Joss | 25 | CLE |
| +010+ | 1.35 | Casey Patten | 26 | MIN |
| +011+ | 1.32 | Jack Sutthoff | 32 | CIN |
| +012+ | 1.29 | Brickyard Kennedy | 20 | PIT |
| +013+ | 1.28 | Tom Hughes | 21 | BOS |
| +014+ | 1.28 | Barney Wolfe | 19 | NYA |
| XXXXX | 1.12 | Oscar Jones | 47 | LAN |
| XXXXX | 1.11 | Sam Leever | 29 | PIT |
| XXXXX | 1.1 | Bill Duggleby | 38.3 | PHI |
| XXXXX | 1.02 | Chief Bender | 31 | OAK |
| XXXXX | 1.01 | Bill Donovan | 26.7 | DET |
| XXXXX | 1 | Rube Waddell | 35 | OAK |
| XXXXX | 0.88 | Mal Eason | 17 | DET |
| XXXXX | 0.87 | Red Donahue | 28 | BAL |
| XXXXX | 0.76 | Highball Wilson | 18 | MIN |
| XXXXX | 0.74 | Earl Moore | 17 | CLE |
| XXXXX | 0.65 | Patsy Flaherty | 21.3 | CHA |
| XXXXX | 0.51 | Jake Weimer | 36 | CHN |
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