| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 6.64 | 190305190_OAK_BAL |
| Bill Donovan | DET | 4.44 | 190305180_BOS_DET |
| Doc White | CHA | 4.35 | 190305180_MIN_CHA |
| Bill Dinneen | BOS | 2.5 | 190305190_BOS_DET |
| Dummy Taylor | SFN | 2.45 | 190305190_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roy Evans | LAN | -2.99 | 190305190_CIN_LAN |
| Fred Mitchell | PHI | -2.29 | 190305190_SLN_PHI |
| Ed Poole | CIN | -1.92 | 190305190_CIN_LAN |
| Mordecai Brown | SLN | -1.14 | 190305180_SLN_PHI |
| Gene Wright | CLE | -0.59 | 190305190_MIN_CLE |
Based on accumulated WAA for this season up to 1903-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.37 | Addie Joss | 52 | CLE |
| +002+ | 3.27 | Eddie Plank | 62 | OAK |
| +003+ | 3.11 | Bill Donovan | 53.7 | DET |
| +004+ | 3.1 | Rube Waddell | 75 | OAK |
| +005+ | 2.9 | George Mullin | 62 | DET |
| +006+ | 2.83 | Cy Young | 69.3 | BOS |
| +007+ | 2.59 | Roy Patterson | 53 | CHA |
| +008+ | 2.42 | Jack Chesbro | 62 | NYA |
| +011+ | 2.11 | Jack Sutthoff | 50 | CIN |
| +012+ | 2.09 | Doc White | 50 | CHA |
| +013+ | 2.03 | Patsy Flaherty | 49.3 | CHA |
| +014+ | 1.93 | Earl Moore | 44 | CLE |
| +015+ | 1.88 | Sam Leever | 47 | PIT |
| +017+ | 1.85 | Bill Dinneen | 57.7 | BOS |
| +018+ | 1.75 | Chief Bender | 57.3 | OAK |
| +019+ | 1.73 | Ed Siever | 45 | BAL |
| +020+ | 1.59 | Henry Schmidt | 70 | LAN |
| +022+ | 1.5 | Noodles Hahn | 44 | CIN |
| +023+ | 1.47 | Joe McGinnity | 75.7 | SFN |
| XXXXX | 1.2 | Jack Powell | 46 | BAL |
| XXXXX | 1.14 | Bob Wicker | 53.3 | TOT |
| XXXXX | 0.96 | Red Donahue | 52 | BAL |
| XXXXX | 0.95 | Willie Sudhoff | 35 | BAL |
| XXXXX | 0.81 | Jack Taylor | 71 | CHN |
| XXXXX | 0.81 | Barney Wolfe | 22 | NYA |
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