| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 10.99 | 190405170_BAL_OAK |
| Joe McGinnity | SFN | 10.24 | 190405170_SFN_PIT |
| Cy Young | BOS | 9.35 | 190405170_CLE_BOS |
| Sam Leever | PIT | 2.57 | 190405160_SFN_PIT |
| Ed Siever | BAL | 2.35 | 190405160_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Lush | PHI | -1.47 | 190405150_PHI_CHN |
| Jack Sutthoff | CIN | -0.73 | 190405150_SFN_CIN |
| Buttons Briggs | CHN | -0.33 | 190405150_PHI_CHN |
| Davey Dunkle | MIN | -0.3 | 190405170_CHA_MIN |
| Dummy Taylor | SFN | -0.14 | 190405150_SFN_CIN |
Based on accumulated WAA for this season up to 1904-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.53 | Joe McGinnity | 78 | SFN |
| +002+ | 4.43 | Rube Waddell | 85 | OAK |
| +003+ | 3.68 | Red Donahue | 53 | CLE |
| +004+ | 3.45 | Cy Young | 65 | BOS |
| +005+ | 2.64 | Frank Owen | 71 | CHA |
| +006+ | 2.6 | Jesse Tannehill | 47.7 | BOS |
| +007+ | 2.58 | Norwood Gibson | 45 | BOS |
| +010+ | 2.12 | Ed Killian | 73.3 | DET |
| +013+ | 1.96 | Bill Dinneen | 50 | BOS |
| +015+ | 1.83 | Jack Chesbro | 80 | NYA |
| +017+ | 1.79 | Weldon Henley | 63 | OAK |
| +020+ | 1.72 | Jack Powell | 56.7 | NYA |
| +022+ | 1.55 | Bill Bernhard | 62 | CLE |
| +023+ | 1.53 | Patsy Flaherty | 43 | CHA |
| +026+ | 1.41 | Harry Howell | 40.3 | BAL |
| XXXXX | 1.15 | Fred Glade | 28.7 | BAL |
| XXXXX | 1.13 | Eddie Plank | 60 | OAK |
| XXXXX | 0.99 | Kaiser Wilhelm | 53 | ATL |
| XXXXX | 0.94 | Chappie McFarland | 44 | SLN |
| XXXXX | 0.88 | Casey Patten | 67.7 | MIN |
| XXXXX | 0.71 | Barney Pelty | 36.7 | BAL |
| XXXXX | 0.68 | Jack Cronin | 71 | LAN |
| XXXXX | 0.62 | Chick Fraser | 43 | PHI |
| XXXXX | 0.53 | Chief Bender | 9 | OAK |
| XXXXX | 0.52 | Jake Weimer | 49.3 | CHN |
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