| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cy Young | BOS | 6.6 | 190305160_BOS_DET |
| Rube Waddell | OAK | 6.14 | 190305150_OAK_BAL |
| Ed Siever | BAL | 5.06 | 190305150_OAK_BAL |
| Roy Patterson | CHA | 2.92 | 190305170_MIN_CHA |
| Sam Leever | PIT | 2.73 | 190305150_PIT_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike O'Neill | SLN | -1.3 | 190305160_SLN_PHI |
| Gene Wright | CLE | -0.92 | 190305150_NYA_CLE |
| John Malarkey | ATL | -0.81 | 190305150_SLN_ATL |
| Bob Ewing | CIN | -0.38 | 190305160_CIN_LAN |
| Alex Jones | DET | -0.38 | 190305160_BOS_DET |
Based on accumulated WAA for this season up to 1903-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.45 | Addie Joss | 52 | CLE |
| +002+ | 3.34 | Eddie Plank | 62 | OAK |
| +003+ | 3.12 | Rube Waddell | 66 | OAK |
| +004+ | 2.89 | Cy Young | 69.3 | BOS |
| +005+ | 2.69 | George Mullin | 53 | DET |
| +006+ | 2.64 | Roy Patterson | 53 | CHA |
| +008+ | 2.47 | Bill Donovan | 44.7 | DET |
| +007+ | 2.47 | Jack Chesbro | 62 | NYA |
| +009+ | 2.31 | Doc White | 41 | CHA |
| +011+ | 2.15 | Jack Sutthoff | 50 | CIN |
| +012+ | 2.07 | Patsy Flaherty | 49.3 | CHA |
| +013+ | 1.92 | Sam Leever | 47 | PIT |
| +014+ | 1.82 | Chief Bender | 57.3 | OAK |
| +016+ | 1.79 | Ed Siever | 45 | BAL |
| +018+ | 1.64 | Henry Schmidt | 70 | LAN |
| +021+ | 1.54 | Noodles Hahn | 44 | CIN |
| +022+ | 1.49 | Earl Moore | 35 | CLE |
| +026+ | 1.3 | Joe McGinnity | 66.7 | SFN |
| XXXXX | 1.2 | Bob Wicker | 53.3 | TOT |
| XXXXX | 1.16 | Oscar Jones | 65 | LAN |
| XXXXX | 1.02 | Red Donahue | 52 | BAL |
| XXXXX | 0.99 | Willie Sudhoff | 35 | BAL |
| XXXXX | 0.98 | Jack Powell | 37 | BAL |
| XXXXX | 0.98 | Bill Dinneen | 48.7 | BOS |
| XXXXX | 0.89 | Jack Taylor | 71 | CHN |
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