| 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 |
| Doc White | CHA | 1.58 | 190407150_CHA_OAK |
| 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 |
| Happy Townsend | MIN | -1.19 | 190407150_BAL_MIN |
| Oscar Jones | LAN | -0.95 | 190407140_LAN_SLN |
Based on accumulated WAA for this season up to 1904-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.9 | Rube Waddell | 196.3 | OAK |
| +002+ | 8.14 | Joe McGinnity | 230 | SFN |
| +003+ | 7.26 | Jack Chesbro | 221 | NYA |
| +004+ | 7.15 | Cy Young | 181 | BOS |
| +005+ | 5.86 | Frank Owen | 179.7 | CHA |
| +006+ | 5.65 | Eddie Plank | 190 | OAK |
| +010+ | 4.61 | Patsy Flaherty | 132 | TOT |
| +011+ | 4.29 | Harry Howell | 135.7 | BAL |
| +012+ | 4.21 | Jesse Tannehill | 139.7 | BOS |
| +016+ | 3.9 | Ed Killian | 182 | DET |
| +017+ | 3.48 | Norwood Gibson | 123 | BOS |
| +018+ | 3.37 | Jack Taylor | 174 | SLN |
| +021+ | 3.14 | Nick Altrock | 164.3 | CHA |
| +024+ | 3.06 | Bill Dinneen | 130.7 | BOS |
| +026+ | 2.96 | George Mullin | 200 | DET |
| +027+ | 2.74 | Ed Siever | 137.3 | BAL |
| +030+ | 2.71 | Earl Moore | 137.7 | CLE |
| +033+ | 2.55 | Kid Nichols | 149 | SLN |
| +035+ | 2.43 | Doc White | 112 | CHA |
| +036+ | 2.41 | Jack Powell | 182 | NYA |
| +037+ | 2.25 | Fred Glade | 125.7 | BAL |
| +045+ | 2.03 | Jake Weimer | 141.7 | CHN |
| +046+ | 1.89 | Bill Bernhard | 153 | CLE |
| +048+ | 1.89 | Ned Garvin | 113.7 | LAN |
| +047+ | 1.89 | Frank Kitson | 61 | DET |
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