| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.74 | 190305200_BOS_BAL |
| Ed Siever | BAL | 4.45 | 190305220_BOS_BAL |
| Sam Leever | PIT | 3.07 | 190305200_PIT_SFN |
| Eddie Plank | OAK | 2.6 | 190305200_OAK_DET |
| Roy Patterson | CHA | 2.45 | 190305220_NYA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -0.95 | 190305200_SLN_PHI |
| Bob Ewing | CIN | -0.88 | 190305220_CIN_ATL |
| Chick Fraser | PHI | -0.84 | 190305220_CHN_PHI |
| Ned Garvin | LAN | -0.68 | 190305200_CIN_LAN |
| Togie Pittinger | ATL | -0.32 | 190305210_CIN_ATL |
Based on accumulated WAA for this season up to 1903-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.68 | Eddie Plank | 70 | OAK |
| +002+ | 3.41 | Addie Joss | 61 | CLE |
| +003+ | 3.38 | Roy Patterson | 64 | CHA |
| +004+ | 3.21 | Jack Chesbro | 72.7 | NYA |
| +005+ | 3.13 | Rube Waddell | 75 | OAK |
| +006+ | 3.12 | Cy Young | 78.7 | BOS |
| +007+ | 3.08 | Bill Donovan | 53.7 | DET |
| +008+ | 2.87 | George Mullin | 62 | DET |
| +010+ | 2.25 | Sam Leever | 55 | PIT |
| +011+ | 2.2 | Patsy Flaherty | 58.3 | CHA |
| +012+ | 2.19 | Jack Sutthoff | 57 | CIN |
| +014+ | 2.16 | Ed Siever | 54 | BAL |
| +015+ | 2.04 | Doc White | 50 | CHA |
| +017+ | 1.91 | Earl Moore | 44 | CLE |
| +018+ | 1.86 | Joe McGinnity | 79.7 | SFN |
| +019+ | 1.84 | Bill Dinneen | 57.7 | BOS |
| +020+ | 1.75 | Mal Eason | 38.3 | DET |
| +022+ | 1.74 | Jack Taylor | 81 | CHN |
| +025+ | 1.53 | Chief Bender | 65.3 | OAK |
| +026+ | 1.48 | Willie Sudhoff | 45 | BAL |
| +031+ | 1.26 | Jesse Tannehill | 45.3 | NYA |
| XXXXX | 1.16 | Bob Wicker | 62.3 | TOT |
| XXXXX | 1.16 | Jack Powell | 46 | BAL |
| XXXXX | 1.13 | Bill Bernhard | 53 | CLE |
| XXXXX | 0.91 | Red Donahue | 52 | BAL |
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