| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 7.32 | 190305060_MIN_BOS |
| Bill Donovan | DET | 4.84 | 190305040_DET_CHA |
| Sam Leever | PIT | 3.2 | 190305050_CHN_PIT |
| Jack Taylor | CHN | 2.09 | 190305060_CHN_PIT |
| Eddie Plank | OAK | 1.93 | 190305060_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | LAN | -1.13 | 190305060_SFN_LAN |
| Mordecai Brown | SLN | -1.06 | 190305040_SLN_CIN |
| Noodles Hahn | CIN | -0.74 | 190305050_SLN_CIN |
| Watty Lee | MIN | -0.71 | 190305060_MIN_BOS |
| Fred Burchell | PHI | -0.65 | 190305040_LAN_PHI |
Based on accumulated WAA for this season up to 1903-05-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.71 | Eddie Plank | 39 | OAK |
| +002+ | 2.35 | George Mullin | 27 | DET |
| +004+ | 2.26 | Henry Schmidt | 45 | LAN |
| +005+ | 2.16 | Togie Pittinger | 36 | ATL |
| +006+ | 1.97 | Jack Chesbro | 36 | NYA |
| +007+ | 1.86 | Cy Young | 43 | BOS |
| +008+ | 1.58 | Patsy Flaherty | 30.3 | CHA |
| +009+ | 1.46 | Roy Patterson | 25 | CHA |
| +010+ | 1.4 | Addie Joss | 25 | CLE |
| +011+ | 1.4 | Casey Patten | 26 | MIN |
| +012+ | 1.36 | Jack Sutthoff | 32 | CIN |
| +013+ | 1.32 | Brickyard Kennedy | 20 | PIT |
| +014+ | 1.3 | Tom Hughes | 21 | BOS |
| +015+ | 1.29 | Barney Wolfe | 19 | NYA |
| XXXXX | 1.19 | Oscar Jones | 47 | LAN |
| XXXXX | 1.15 | Sam Leever | 29 | PIT |
| XXXXX | 1.14 | Bill Duggleby | 38.3 | PHI |
| XXXXX | 1.05 | Bill Donovan | 26.7 | DET |
| XXXXX | 1.05 | Chief Bender | 31 | OAK |
| XXXXX | 1.04 | Rube Waddell | 35 | OAK |
| XXXXX | 0.91 | Red Donahue | 28 | BAL |
| XXXXX | 0.79 | Highball Wilson | 18 | MIN |
| XXXXX | 0.76 | Earl Moore | 17 | CLE |
| XXXXX | 0.7 | Joe McGinnity | 48.7 | SFN |
| XXXXX | 0.55 | Harry Howell | 22 | NYA |
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