| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Chesbro | NYA | 6.18 | 190409270_NYA_DET |
| Eddie Plank | OAK | 3.13 | 190409260_OAK_CHA |
| Joe McGinnity | SFN | 3.09 | 190409262_PIT_SFN |
| Harry Howell | BAL | 1.69 | 190409281_OAK_BAL |
| Bill Dinneen | BOS | 1.48 | 190409280_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chick Fraser | PHI | -3.52 | 190409270_CIN_PHI |
| Vic Willis | ATL | -3.16 | 190409260_CIN_ATL |
| Chappie McFarland | SLN | -2.72 | 190409270_SLN_LAN |
| Oscar Jones | LAN | -1.77 | 190409262_CHN_LAN |
| Willie Sudhoff | BAL | -0.33 | 190409272_OAK_BAL |
Based on accumulated WAA for this season up to 1904-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.68 | Jack Chesbro | 411.7 | NYA |
| +002+ | 12.74 | Rube Waddell | 352.7 | OAK |
| +003+ | 10.17 | Joe McGinnity | 392.3 | SFN |
| +004+ | 10.09 | Eddie Plank | 345.3 | OAK |
| +006+ | 9.13 | Cy Young | 347 | BOS |
| +008+ | 7.61 | Jesse Tannehill | 281.7 | BOS |
| +009+ | 7.06 | Bill Bernhard | 299.7 | CLE |
| +010+ | 7 | Doc White | 196 | CHA |
| +011+ | 6.95 | Harry Howell | 282.7 | BAL |
| +012+ | 6.51 | Bill Dinneen | 300.7 | BOS |
| +015+ | 6.01 | Addie Joss | 174.3 | CLE |
| +017+ | 5.56 | George Mullin | 351.3 | DET |
| +019+ | 5.45 | Ed Killian | 317.7 | DET |
| +018+ | 5.45 | Jack Powell | 357.7 | NYA |
| +022+ | 5.1 | Norwood Gibson | 248 | BOS |
| +025+ | 4.83 | Red Donahue | 259 | CLE |
| +026+ | 4.81 | Fred Glade | 270.7 | BAL |
| +028+ | 4.68 | Weldon Henley | 278.7 | OAK |
| +030+ | 4.56 | Frank Smith | 183.3 | CHA |
| +032+ | 4.52 | Otto Hess | 132.3 | CLE |
| +035+ | 4.3 | Bill Donovan | 293 | DET |
| +036+ | 4.23 | Jake Weimer | 288.7 | CHN |
| +039+ | 4.01 | Patsy Flaherty | 268 | TOT |
| +042+ | 3.8 | Kid Nichols | 291 | SLN |
| +047+ | 3.34 | Roy Patterson | 142.7 | CHA |
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