| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe McGinnity | SFN | 7.62 | 190407101_SFN_SLN |
| Eddie Plank | OAK | 2.79 | 190407110_MIN_OAK |
| Jack Taylor | SLN | 2.24 | 190407120_LAN_SLN |
| Doc White | CHA | 1.67 | 190407101_CHA_BAL |
| Ed Siever | BAL | 1.54 | 190407102_CHA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John McPherson | PHI | -3.7 | 190407102_PHI_CIN |
| Vic Willis | ATL | -2.63 | 190407120_ATL_CHN |
| Jack Harper | CIN | -1.7 | 190407101_PHI_CIN |
| Oscar Jones | LAN | -1.24 | 190407100_LAN_CHN |
| Happy Townsend | MIN | -0.94 | 190407120_BAL_MIN |
Based on accumulated WAA for this season up to 1904-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.4 | Rube Waddell | 187.3 | OAK |
| +002+ | 8.15 | Joe McGinnity | 220 | SFN |
| +003+ | 7.11 | Jack Chesbro | 209 | NYA |
| +004+ | 6.86 | Cy Young | 172 | BOS |
| +005+ | 5.82 | Frank Owen | 179.7 | CHA |
| +007+ | 5.15 | Eddie Plank | 181 | OAK |
| +008+ | 4.73 | Harry Howell | 133.7 | BAL |
| +009+ | 4.23 | Jesse Tannehill | 139.7 | BOS |
| +014+ | 3.87 | Patsy Flaherty | 123 | TOT |
| +017+ | 3.43 | Jack Taylor | 174 | SLN |
| +018+ | 3.38 | Ed Killian | 173 | DET |
| +021+ | 3.07 | Bill Dinneen | 130.7 | BOS |
| +023+ | 2.9 | George Mullin | 200 | DET |
| +024+ | 2.87 | Nick Altrock | 156.3 | CHA |
| +025+ | 2.77 | Norwood Gibson | 114 | BOS |
| +026+ | 2.68 | Ed Siever | 134.3 | BAL |
| +033+ | 2.31 | Jake Weimer | 139.7 | CHN |
| +035+ | 2.25 | Earl Moore | 123.3 | CLE |
| +038+ | 2.18 | Doc White | 104 | CHA |
| +039+ | 2.17 | Barney Pelty | 122.3 | BAL |
| +043+ | 2.06 | Kid Nichols | 140 | SLN |
| +044+ | 1.89 | Bill Bernhard | 144 | CLE |
| +045+ | 1.89 | Weldon Henley | 136.7 | OAK |
| +046+ | 1.87 | Frank Kitson | 61 | DET |
| +048+ | 1.81 | George Winter | 71.3 | BOS |
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