| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.36 | 190408230_CLE_OAK |
| Joe McGinnity | SFN | 4.9 | 190408251_SFN_CHN |
| Jack Chesbro | NYA | 4.1 | 190408230_CHA_NYA |
| Frank Owen | CHA | 3.09 | 190408240_CHA_BOS |
| Cy Young | BOS | 3.06 | 190408250_CHA_BOS |
| 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 1904-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.78 | Rube Waddell | 303.3 | OAK |
| +002+ | 10.23 | Jack Chesbro | 310 | NYA |
| +003+ | 9.99 | Joe McGinnity | 319.3 | SFN |
| +004+ | 9.25 | Frank Owen | 277 | CHA |
| +005+ | 7.8 | Cy Young | 272.3 | BOS |
| +006+ | 7.63 | Eddie Plank | 267 | OAK |
| +008+ | 6.25 | Jesse Tannehill | 220.7 | BOS |
| +009+ | 5.8 | Earl Moore | 212.3 | CLE |
| +010+ | 5.67 | Ed Killian | 268.3 | DET |
| +011+ | 5.5 | Bill Bernhard | 235 | CLE |
| +012+ | 5.22 | Bill Dinneen | 215.7 | BOS |
| +015+ | 5.07 | Red Donahue | 198 | CLE |
| +016+ | 5.06 | Frank Smith | 133.3 | CHA |
| +017+ | 4.97 | Harry Howell | 206 | BAL |
| +018+ | 4.92 | George Mullin | 281 | DET |
| +020+ | 4.81 | Jack Powell | 275.7 | NYA |
| +022+ | 4.54 | Patsy Flaherty | 216 | TOT |
| +024+ | 4.45 | Fred Glade | 204.7 | BAL |
| +026+ | 4.25 | Kid Nichols | 221 | SLN |
| +029+ | 3.95 | Bill Donovan | 225 | DET |
| +031+ | 3.85 | Doc White | 142 | CHA |
| +035+ | 3.39 | Jake Weimer | 220.7 | CHN |
| +038+ | 3.18 | Weldon Henley | 204.7 | OAK |
| +041+ | 3.05 | Norwood Gibson | 172 | BOS |
| +043+ | 2.91 | Nick Altrock | 226 | CHA |
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