| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.11 | 190408250_DET_OAK |
| Joe McGinnity | SFN | 4.9 | 190408251_SFN_CHN |
| Frank Owen | CHA | 3.09 | 190408240_CHA_BOS |
| Cy Young | BOS | 3.06 | 190408250_CHA_BOS |
| George Mullin | DET | 1.18 | 190408260_DET_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -8.1 | 190408252_ATL_SLN |
| Tully Sparks | PHI | -3.3 | 190408240_PHI_PIT |
| Oscar Jones | LAN | -1.87 | 190408240_LAN_CIN |
| Happy Townsend | MIN | -0.74 | 190408240_CLE_MIN |
| Chappie McFarland | SLN | -0.68 | 190408251_ATL_SLN |
Based on accumulated WAA for this season up to 1904-08-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.72 | Rube Waddell | 303.3 | OAK |
| +002+ | 10.32 | Jack Chesbro | 312.7 | NYA |
| +003+ | 9.95 | Joe McGinnity | 319.3 | SFN |
| +004+ | 9.21 | Frank Owen | 277 | CHA |
| +005+ | 7.74 | Cy Young | 272.3 | BOS |
| +006+ | 7.58 | Eddie Plank | 267 | OAK |
| +008+ | 6.2 | Jesse Tannehill | 220.7 | BOS |
| +010+ | 5.65 | Ed Killian | 268.3 | DET |
| +011+ | 5.51 | Harry Howell | 216.7 | BAL |
| +012+ | 5.39 | Bill Bernhard | 235 | CLE |
| +013+ | 5.28 | George Mullin | 289 | DET |
| +014+ | 5.18 | Bill Dinneen | 215.7 | BOS |
| +016+ | 5.04 | Frank Smith | 141.3 | CHA |
| +018+ | 4.98 | Red Donahue | 198 | CLE |
| +020+ | 4.7 | Jack Powell | 275.7 | NYA |
| +022+ | 4.5 | Kid Nichols | 230 | SLN |
| +023+ | 4.49 | Patsy Flaherty | 216 | TOT |
| +026+ | 4.38 | Fred Glade | 204.7 | BAL |
| +030+ | 3.93 | Bill Donovan | 225 | DET |
| +031+ | 3.83 | Doc White | 142 | CHA |
| +032+ | 3.72 | Norwood Gibson | 181 | BOS |
| +036+ | 3.5 | Addie Joss | 115.7 | CLE |
| +037+ | 3.34 | Jake Weimer | 220.7 | CHN |
| +041+ | 3.14 | Weldon Henley | 204.7 | OAK |
| +044+ | 2.88 | Nick Altrock | 226 | CHA |
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