| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Chesbro | NYA | 6.5 | 190410040_NYA_BAL |
| Cy Young | BOS | 3.32 | 190410050_BOS_CHA |
| Joe McGinnity | SFN | 2.41 | 190410041_SLN_SFN |
| Fred Glade | BAL | 1.04 | 190410040_NYA_BAL |
| George Mullin | DET | 1.03 | 190410051_MIN_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Chappie McFarland | SLN | -3.94 | 190410062_SLN_PIT |
| Vic Willis | ATL | -2.82 | 190410040_CHN_ATL |
| Happy Townsend | MIN | -0.3 | 190410052_MIN_DET |
| Carl Lundgren | CHN | -0.16 | 190410050_CHN_ATL |
| Mike Lynch | PIT | -0.01 | 190410040_CIN_PIT |
Based on accumulated WAA for this season up to 1904-10-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 14.46 | Jack Chesbro | 432.7 | NYA |
| +002+ | 13.57 | Rube Waddell | 370 | OAK |
| +003+ | 10.47 | Cy Young | 373 | BOS |
| +007+ | 8.87 | Joe McGinnity | 408.3 | SFN |
| +008+ | 7.87 | Bill Bernhard | 314.7 | CLE |
| +009+ | 7.7 | Doc White | 219 | CHA |
| +010+ | 7.63 | Jesse Tannehill | 281.7 | BOS |
| +011+ | 7.38 | Bill Dinneen | 317.7 | BOS |
| +012+ | 6.98 | Harry Howell | 291.7 | BAL |
| +013+ | 6.75 | Addie Joss | 183.3 | CLE |
| +015+ | 6.39 | Jack Powell | 383.7 | NYA |
| +017+ | 6.17 | Norwood Gibson | 265 | BOS |
| +019+ | 6.05 | George Mullin | 368.3 | DET |
| +020+ | 5.91 | Fred Glade | 288.7 | BAL |
| +022+ | 5.44 | Red Donahue | 277 | CLE |
| +025+ | 5.2 | Otto Hess | 146.3 | CLE |
| +026+ | 5.08 | Ed Killian | 331.7 | DET |
| +028+ | 4.98 | Frank Smith | 194.3 | CHA |
| +031+ | 4.83 | Weldon Henley | 295.7 | OAK |
| +033+ | 4.53 | Kid Nichols | 308 | SLN |
| +046+ | 3.49 | Roy Patterson | 155.7 | CHA |
| +052+ | 3.06 | Jake Weimer | 306.7 | CHN |
| +055+ | 2.96 | Patsy Flaherty | 285 | TOT |
| +061+ | 2.16 | Christy Mathewson | 366.3 | SFN |
| +062+ | 2.15 | Ed Siever | 209 | BAL |
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