| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.84 | 190407140_CHA_OAK |
| Joe McGinnity | SFN | 7.25 | 190407130_SFN_CIN |
| Cy Young | BOS | 6.66 | 190407130_DET_BOS |
| Jack Chesbro | NYA | 3.13 | 190407140_CLE_NYA |
| Jack Taylor | SLN | 2.24 | 190407120_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -6.66 | 190407140_ATL_CHN |
| Tully Sparks | PHI | -2.86 | 190407130_PHI_PIT |
| Jack Harper | CIN | -1.35 | 190407140_SFN_CIN |
| Oscar Jones | LAN | -0.95 | 190407140_LAN_SLN |
| Happy Townsend | MIN | -0.94 | 190407120_BAL_MIN |
Based on accumulated WAA for this season up to 1904-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.98 | Rube Waddell | 196.3 | OAK |
| +002+ | 8.06 | Joe McGinnity | 228 | SFN |
| +003+ | 7.52 | Jack Chesbro | 221 | NYA |
| +004+ | 7.21 | Cy Young | 181 | BOS |
| +005+ | 5.91 | Frank Owen | 179.7 | CHA |
| +007+ | 5.19 | Eddie Plank | 181 | OAK |
| +010+ | 4.66 | Patsy Flaherty | 132 | TOT |
| +011+ | 4.34 | Harry Howell | 135.7 | BAL |
| +012+ | 4.26 | Jesse Tannehill | 139.7 | BOS |
| +014+ | 3.94 | Ed Killian | 182 | DET |
| +017+ | 3.46 | Jack Taylor | 174 | SLN |
| +020+ | 3.18 | Nick Altrock | 164.3 | CHA |
| +022+ | 3.11 | Bill Dinneen | 130.7 | BOS |
| +024+ | 3 | George Mullin | 200 | DET |
| +026+ | 2.8 | Norwood Gibson | 114 | BOS |
| +027+ | 2.79 | Ed Siever | 137.3 | BAL |
| +030+ | 2.63 | Kid Nichols | 149 | SLN |
| +034+ | 2.28 | Earl Moore | 123.3 | CLE |
| +036+ | 2.23 | Doc White | 104 | CHA |
| +041+ | 2.08 | Jake Weimer | 141.7 | CHN |
| +042+ | 2.07 | Bill Bernhard | 153 | CLE |
| +044+ | 1.92 | Weldon Henley | 136.7 | OAK |
| +045+ | 1.9 | Frank Kitson | 61 | DET |
| +046+ | 1.85 | Barney Pelty | 125.3 | BAL |
| +047+ | 1.8 | Jack Powell | 167 | NYA |
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