| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Chesbro | NYA | 6.81 | 190410070_BOS_NYA |
| Rube Waddell | OAK | 6.07 | 190410071_OAK_MIN |
| Cy Young | BOS | 3.28 | 190410082_NYA_BOS |
| Bill Bernhard | CLE | 2.11 | 190410072_CLE_DET |
| Doc White | CHA | 1.91 | 190410070_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Duggleby | PHI | -4.1 | 190410081_ATL_PHI |
| Chappie McFarland | SLN | -3.94 | 190410062_SLN_PIT |
| Kaiser Wilhelm | ATL | -2.77 | 190410082_ATL_PHI |
| Jesse Stovall | DET | -0.68 | 190410071_CLE_DET |
| Happy Townsend | MIN | -0.22 | 190410081_OAK_MIN |
Based on accumulated WAA for this season up to 1904-10-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 14.11 | Jack Chesbro | 445.7 | NYA |
| +002+ | 14.06 | Rube Waddell | 379 | OAK |
| +003+ | 10.94 | Cy Young | 380 | BOS |
| +006+ | 9.07 | Eddie Plank | 357.3 | OAK |
| +007+ | 8.74 | Joe McGinnity | 408.3 | SFN |
| +008+ | 8.37 | Bill Bernhard | 320.7 | CLE |
| +009+ | 7.89 | Doc White | 228 | CHA |
| +011+ | 7.59 | Bill Dinneen | 326.7 | BOS |
| +010+ | 7.59 | Jesse Tannehill | 281.7 | BOS |
| +012+ | 7.45 | Addie Joss | 192.3 | CLE |
| +013+ | 6.86 | Jack Powell | 390.7 | NYA |
| +014+ | 6.65 | Harry Howell | 299.7 | BAL |
| +017+ | 6.31 | Norwood Gibson | 273 | BOS |
| +018+ | 6.27 | George Mullin | 382.3 | DET |
| +020+ | 5.85 | Fred Glade | 288.7 | BAL |
| +021+ | 5.6 | Otto Hess | 151.3 | CLE |
| +022+ | 5.47 | Red Donahue | 277 | CLE |
| +027+ | 5.12 | Ed Killian | 331.7 | DET |
| +030+ | 4.91 | Frank Smith | 194.3 | CHA |
| +031+ | 4.84 | Weldon Henley | 295.7 | OAK |
| +041+ | 3.89 | Kid Nichols | 317 | SLN |
| +043+ | 3.71 | Roy Patterson | 164.7 | CHA |
| +053+ | 2.99 | Jake Weimer | 306.7 | CHN |
| +056+ | 2.88 | Patsy Flaherty | 285 | TOT |
| +065+ | 2.1 | Ed Siever | 209 | BAL |
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