| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.67 | 190304280_BOS_MIN |
| Rube Waddell | OAK | 5.7 | 190304280_NYA_OAK |
| Christy Mathewson | SFN | 3.77 | 190304270_ATL_SFN |
| Jack Taylor | CHN | 2.83 | 190304260_PIT_CHN |
| Roy Patterson | CHA | 1.79 | 190304280_CHA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | LAN | -1.26 | 190304280_ATL_LAN |
| Bob Ewing | CIN | -0.78 | 190304280_CHN_CIN |
| Mike O'Neill | SLN | -0.78 | 190304270_PIT_SLN |
| Chief Bender | OAK | -0.4 | 190304270_NYA_OAK |
| Willie Sudhoff | BAL | -0.31 | 190304260_CHA_BAL |
Based on accumulated WAA for this season up to 1903-04-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.69 | Togie Pittinger | 27 | ATL |
| +002+ | 1.65 | Addie Joss | 17 | CLE |
| +004+ | 1.39 | George Mullin | 18 | DET |
| XXXXX | 1.15 | Cy Young | 25 | BOS |
| XXXXX | 1.07 | Jack Chesbro | 18 | NYA |
| XXXXX | 1.04 | Rube Waddell | 35 | OAK |
| XXXXX | 0.97 | Al Orth | 18 | MIN |
| XXXXX | 0.91 | Oscar Jones | 29 | LAN |
| XXXXX | 0.9 | Mal Eason | 9 | DET |
| XXXXX | 0.84 | Tom Hughes | 12 | BOS |
| XXXXX | 0.8 | Roy Patterson | 16 | CHA |
| XXXXX | 0.69 | Brickyard Kennedy | 9 | PIT |
| XXXXX | 0.69 | Casey Patten | 9 | MIN |
| XXXXX | 0.69 | Chief Bender | 15 | OAK |
| XXXXX | 0.69 | Bill Donovan | 9 | DET |
| XXXXX | 0.67 | Earl Moore | 8 | CLE |
| XXXXX | 0.63 | Bob Wicker | 14 | TOT |
| XXXXX | 0.58 | Ed Siever | 10 | BAL |
| XXXXX | 0.52 | Henry Schmidt | 27 | LAN |
| XXXXX | 0.5 | Chappie McFarland | 9 | SLN |
| XXXXX | 0.5 | Weldon Henley | 9 | OAK |
| XXXXX | 0.41 | Fred Mitchell | 18 | PHI |
| XXXXX | 0.4 | Joe McGinnity | 30.7 | SFN |
| XXXXX | 0.39 | Mordecai Brown | 14 | SLN |
| XXXXX | 0.38 | Eddie Plank | 12 | OAK |
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