| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.87 | 190407091_MIN_OAK |
| Joe McGinnity | SFN | 7.62 | 190407101_SFN_SLN |
| Cy Young | BOS | 6.75 | 190407090_BOS_NYA |
| Jack Chesbro | NYA | 2.92 | 190407090_BOS_NYA |
| Jack Taylor | SLN | 1.89 | 190407091_SFN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John McPherson | PHI | -3.7 | 190407102_PHI_CIN |
| Vic Willis | ATL | -2.42 | 190407090_ATL_PIT |
| Jack Harper | CIN | -1.7 | 190407101_PHI_CIN |
| Oscar Jones | LAN | -1.24 | 190407100_LAN_CHN |
| Roscoe Miller | PIT | -1.04 | 190407080_ATL_PIT |
Based on accumulated WAA for this season up to 1904-07-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.39 | Rube Waddell | 187.3 | OAK |
| +002+ | 8.14 | Joe McGinnity | 220 | SFN |
| +003+ | 7.09 | Jack Chesbro | 209 | NYA |
| +004+ | 6.81 | Cy Young | 172 | BOS |
| +005+ | 6.37 | Frank Owen | 171.7 | CHA |
| +007+ | 4.64 | Harry Howell | 133.7 | BAL |
| +008+ | 4.39 | Eddie Plank | 172 | OAK |
| +009+ | 4.17 | Jesse Tannehill | 131.7 | BOS |
| +014+ | 3.91 | George Mullin | 192 | DET |
| +015+ | 3.84 | Patsy Flaherty | 123 | TOT |
| +018+ | 3.33 | Ed Killian | 173 | DET |
| +021+ | 3.08 | Bill Bernhard | 141 | CLE |
| +022+ | 3.04 | Bill Dinneen | 130.7 | BOS |
| +023+ | 3.01 | Norwood Gibson | 107 | BOS |
| +025+ | 2.81 | Nick Altrock | 156.3 | CHA |
| +026+ | 2.66 | Jack Taylor | 165 | SLN |
| +028+ | 2.59 | Ed Siever | 134.3 | BAL |
| +034+ | 2.26 | George Winter | 69.3 | BOS |
| +035+ | 2.25 | Jake Weimer | 139.7 | CHN |
| +036+ | 2.22 | Earl Moore | 123.3 | CLE |
| +039+ | 2.14 | Doc White | 104 | CHA |
| +041+ | 2.09 | Barney Pelty | 122.3 | BAL |
| +043+ | 2.04 | Kid Nichols | 140 | SLN |
| +044+ | 1.97 | Weldon Henley | 127.7 | OAK |
| +046+ | 1.85 | Frank Kitson | 61 | DET |
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