| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.86 | 190408110_OAK_CLE |
| Joe McGinnity | SFN | 4.66 | 190408121_CIN_SFN |
| Jack Chesbro | NYA | 3.43 | 190408100_NYA_CHA |
| Frank Owen | CHA | 2.97 | 190408120_NYA_CHA |
| Ed Killian | DET | 1.55 | 190408120_MIN_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Duggleby | PHI | -6.55 | 190408120_CHN_PHI |
| Vic Willis | ATL | -2.83 | 190408110_PIT_ATL |
| Oscar Jones | LAN | -2.09 | 190408110_SLN_LAN |
| Happy Townsend | MIN | -1.62 | 190408100_MIN_DET |
| Bob Ewing | CIN | -0.8 | 190408110_CIN_SFN |
Based on accumulated WAA for this season up to 1904-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.41 | Rube Waddell | 265.3 | OAK |
| +002+ | 9.12 | Joe McGinnity | 283.3 | SFN |
| +003+ | 9.07 | Jack Chesbro | 278 | NYA |
| +004+ | 8.83 | Frank Owen | 251 | CHA |
| +005+ | 7.47 | Cy Young | 238.3 | BOS |
| +006+ | 7.25 | Eddie Plank | 243 | OAK |
| +008+ | 6.33 | Ed Killian | 240.3 | DET |
| +010+ | 5.28 | Patsy Flaherty | 194 | TOT |
| +011+ | 5.05 | Bill Dinneen | 189.7 | BOS |
| +013+ | 4.88 | Frank Smith | 115.7 | CHA |
| +014+ | 4.74 | Jesse Tannehill | 193.7 | BOS |
| +015+ | 4.71 | Earl Moore | 192.3 | CLE |
| +016+ | 4.58 | Red Donahue | 170 | CLE |
| +017+ | 4.39 | Bill Bernhard | 209 | CLE |
| +018+ | 4.36 | Harry Howell | 180 | BAL |
| +019+ | 4.27 | George Mullin | 252 | DET |
| +024+ | 3.81 | Jack Powell | 238.7 | NYA |
| +027+ | 3.66 | Nick Altrock | 205 | CHA |
| +029+ | 3.6 | Fred Glade | 173 | BAL |
| +030+ | 3.57 | Kid Nichols | 193 | SLN |
| +033+ | 3.15 | Weldon Henley | 176.7 | OAK |
| +037+ | 3 | Doc White | 121 | CHA |
| +040+ | 2.75 | Addie Joss | 103.7 | CLE |
| +043+ | 2.52 | Bill Donovan | 198 | DET |
| +044+ | 2.51 | Jack Taylor | 226.3 | SLN |
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