| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.49 | 190408020_OAK_BAL |
| Cy Young | BOS | 4.38 | 190408010_BOS_CLE |
| Frank Owen | CHA | 2.26 | 190408020_MIN_CHA |
| Earl Moore | CLE | 0.69 | 190408020_BOS_CLE |
| Harry Howell | BAL | 0.68 | 190408010_OAK_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Happy Townsend | MIN | -1.76 | 190408010_MIN_CHA |
| Buttons Briggs | CHN | -0.53 | 190408010_CHN_PIT |
| Jack Dunleavy | SLN | -0.3 | 190407310_SLN_CHN |
| Tom Walker | CIN | -0.07 | 190407310_PIT_CIN |
| Clark Griffith | NYA | 0 | 190408010_NYA_DET |
Based on accumulated WAA for this season up to 1904-08-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.55 | Rube Waddell | 243.3 | OAK |
| +002+ | 8.92 | Jack Chesbro | 254 | NYA |
| +003+ | 8.71 | Joe McGinnity | 257.3 | SFN |
| +004+ | 7.71 | Cy Young | 222.3 | BOS |
| +005+ | 7.7 | Frank Owen | 224 | CHA |
| +006+ | 7.11 | Eddie Plank | 225 | OAK |
| +008+ | 5.71 | Patsy Flaherty | 177 | TOT |
| +010+ | 5.41 | Ed Killian | 213.3 | DET |
| +011+ | 5.03 | Jesse Tannehill | 175.7 | BOS |
| +012+ | 4.44 | Earl Moore | 178.3 | CLE |
| +013+ | 4.39 | Norwood Gibson | 152 | BOS |
| +014+ | 4.38 | Harry Howell | 171 | BAL |
| +016+ | 4.08 | Frank Smith | 96.7 | CHA |
| +019+ | 3.96 | Fred Glade | 155 | BAL |
| +021+ | 3.89 | Bill Bernhard | 192 | CLE |
| +022+ | 3.74 | Red Donahue | 152 | CLE |
| +025+ | 3.65 | Bill Dinneen | 163.7 | BOS |
| +027+ | 3.4 | George Mullin | 234 | DET |
| +029+ | 3.25 | Jack Taylor | 209 | SLN |
| +033+ | 3.05 | Jack Powell | 217.7 | NYA |
| +034+ | 2.86 | Ed Siever | 146.3 | BAL |
| +037+ | 2.6 | Nick Altrock | 187 | CHA |
| +040+ | 2.51 | Weldon Henley | 158.7 | OAK |
| +041+ | 2.42 | Addie Joss | 82.7 | CLE |
| +043+ | 2.38 | Doc White | 112 | CHA |
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