| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.11 | 190408250_DET_OAK |
| Joe McGinnity | SFN | 4.9 | 190408251_SFN_CHN |
| Jack Chesbro | NYA | 4.74 | 190408272_BAL_NYA |
| Frank Owen | CHA | 3.61 | 190408270_CHA_BOS |
| Cy Young | BOS | 3.06 | 190408250_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -8.1 | 190408252_ATL_SLN |
| Chick Fraser | PHI | -3.05 | 190408270_PHI_CHN |
| Oscar Jones | LAN | -2.17 | 190408270_LAN_PIT |
| Chappie McFarland | SLN | -0.68 | 190408251_ATL_SLN |
| Willie Sudhoff | BAL | -0.57 | 190408272_BAL_NYA |
Based on accumulated WAA for this season up to 1904-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.7 | Rube Waddell | 303.3 | OAK |
| +002+ | 10.61 | Jack Chesbro | 321.7 | NYA |
| +003+ | 9.96 | Joe McGinnity | 319.3 | SFN |
| +004+ | 9.45 | Frank Owen | 285 | CHA |
| +005+ | 7.74 | Cy Young | 272.3 | BOS |
| +006+ | 7.71 | Eddie Plank | 277 | OAK |
| +008+ | 6.7 | Jesse Tannehill | 229.7 | BOS |
| +010+ | 5.7 | Red Donahue | 207 | CLE |
| +011+ | 5.66 | Ed Killian | 268.3 | DET |
| +012+ | 5.52 | Harry Howell | 216.7 | BAL |
| +013+ | 5.39 | Bill Bernhard | 235 | CLE |
| +014+ | 5.29 | George Mullin | 289 | DET |
| +016+ | 5.18 | Bill Dinneen | 215.7 | BOS |
| +017+ | 5.05 | Frank Smith | 141.3 | CHA |
| +020+ | 4.71 | Jack Powell | 275.7 | NYA |
| +024+ | 4.5 | Kid Nichols | 230 | SLN |
| +025+ | 4.43 | Patsy Flaherty | 229 | TOT |
| +026+ | 4.39 | Fred Glade | 204.7 | BAL |
| +029+ | 4 | Bill Donovan | 234.3 | DET |
| +031+ | 3.84 | Doc White | 142 | CHA |
| +033+ | 3.72 | Norwood Gibson | 181 | BOS |
| +036+ | 3.5 | Addie Joss | 115.7 | CLE |
| +039+ | 3.35 | Jake Weimer | 220.7 | CHN |
| +040+ | 3.13 | Weldon Henley | 204.7 | OAK |
| +046+ | 2.91 | Nick Altrock | 226 | CHA |
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