| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 12.46 | 190405260_DET_OAK |
| Joe McGinnity | SFN | 9.24 | 190405280_LAN_SFN |
| Cy Young | BOS | 8.69 | 190405270_MIN_BOS |
| Doc White | CHA | 3.2 | 190405280_CHA_CLE |
| Ed Siever | BAL | 2.93 | 190405280_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Watty Lee | PIT | -1.89 | 190405260_CIN_PIT |
| Jack Harper | CIN | -1.87 | 190405260_CIN_PIT |
| John McPherson | PHI | -0.98 | 190405280_ATL_PHI |
| Beany Jacobson | MIN | -0.7 | 190405260_CLE_MIN |
| Joe Corbett | SLN | -0.43 | 190405280_SLN_CHN |
Based on accumulated WAA for this season up to 1904-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.63 | Rube Waddell | 103 | OAK |
| +002+ | 4.97 | Joe McGinnity | 106 | SFN |
| +003+ | 3.95 | Red Donahue | 71 | CLE |
| +004+ | 3.94 | Cy Young | 83 | BOS |
| +005+ | 3.63 | Jack Chesbro | 110 | NYA |
| +006+ | 3.5 | Jesse Tannehill | 69.7 | BOS |
| +007+ | 3.25 | Bill Dinneen | 77 | BOS |
| +009+ | 2.71 | Frank Owen | 80 | CHA |
| +015+ | 2.36 | Norwood Gibson | 45 | BOS |
| +017+ | 2.29 | Ed Killian | 96.3 | DET |
| +019+ | 2.13 | Eddie Plank | 96 | OAK |
| +025+ | 1.43 | Harry Howell | 63.7 | BAL |
| +027+ | 1.39 | Fred Glade | 54.7 | BAL |
| +030+ | 1.32 | Casey Patten | 78.7 | MIN |
| +032+ | 1.31 | Ed Siever | 76 | BAL |
| +033+ | 1.31 | Bill Bernhard | 77 | CLE |
| XXXXX | 1.21 | Weldon Henley | 76.3 | OAK |
| XXXXX | 1.13 | Jake Weimer | 69.3 | CHN |
| XXXXX | 0.87 | George Mullin | 100 | DET |
| XXXXX | 0.83 | Nick Altrock | 62 | CHA |
| XXXXX | 0.81 | Earl Moore | 44 | CLE |
| XXXXX | 0.73 | Claude Elliott | 43 | CIN |
| XXXXX | 0.67 | Ed Walsh | 29 | CHA |
| XXXXX | 0.6 | George Winter | 28.3 | BOS |
| XXXXX | 0.6 | Sam Leever | 45 | PIT |
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