| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.36 | 190408230_CLE_OAK |
| Joe McGinnity | SFN | 4.36 | 190408231_SFN_PIT |
| Jack Chesbro | NYA | 4.1 | 190408230_CHA_NYA |
| Cy Young | BOS | 2.86 | 190408221_BAL_BOS |
| George Mullin | DET | 0.94 | 190408231_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -7.99 | 190408210_ATL_CHN |
| Chappie McFarland | SLN | -0.66 | 190408210_LAN_SLN |
| Bob Ewing | CIN | -0.65 | 190408211_PHI_CIN |
| Willie Sudhoff | BAL | -0.58 | 190408230_BAL_BOS |
| Ned Garvin | LAN | -0.41 | 190408220_LAN_SLN |
Based on accumulated WAA for this season up to 1904-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.29 | Rube Waddell | 294.3 | OAK |
| +002+ | 10.23 | Jack Chesbro | 310 | NYA |
| +003+ | 9.61 | Joe McGinnity | 309.3 | SFN |
| +004+ | 9.39 | Frank Owen | 269 | CHA |
| +005+ | 7.59 | Eddie Plank | 267 | OAK |
| +006+ | 7.47 | Cy Young | 263.3 | BOS |
| +008+ | 6.21 | Jesse Tannehill | 220.7 | BOS |
| +009+ | 6 | Ed Killian | 259.3 | DET |
| +010+ | 5.77 | Earl Moore | 212.3 | CLE |
| +012+ | 5.18 | Bill Bernhard | 226 | CLE |
| +013+ | 5.05 | Red Donahue | 198 | CLE |
| +014+ | 5.03 | Patsy Flaherty | 207 | TOT |
| +015+ | 5.03 | Frank Smith | 133.3 | CHA |
| +017+ | 4.95 | Harry Howell | 206 | BAL |
| +019+ | 4.86 | George Mullin | 281 | DET |
| +020+ | 4.69 | Bill Dinneen | 206.7 | BOS |
| +022+ | 4.16 | Jack Powell | 264.7 | NYA |
| +025+ | 4.02 | Fred Glade | 194 | BAL |
| +027+ | 3.97 | Kid Nichols | 212 | SLN |
| +029+ | 3.9 | Bill Donovan | 225 | DET |
| +030+ | 3.82 | Doc White | 142 | CHA |
| +034+ | 3.5 | Weldon Henley | 195.7 | OAK |
| +039+ | 3.02 | Jake Weimer | 211.7 | CHN |
| +038+ | 3.02 | Norwood Gibson | 172 | BOS |
| +042+ | 2.89 | Jack Taylor | 253.7 | SLN |
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