| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.68 | 190407300_DET_OAK |
| Joe McGinnity | SFN | 5.51 | 190407292_SFN_LAN |
| Jack Chesbro | NYA | 3.42 | 190407301_BAL_NYA |
| Frank Owen | CHA | 2.01 | 190407290_CHA_BOS |
| Bill Dinneen | BOS | 1.22 | 190407290_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Corbett | SLN | -3.11 | 190407291_SLN_PIT |
| Oscar Jones | LAN | -2.26 | 190407300_ATL_LAN |
| Vic Willis | ATL | -2.24 | 190407300_ATL_LAN |
| Jack Sutthoff | PHI | -1.5 | 190407300_PHI_SFN |
| Jack Harper | CIN | -0.74 | 190407290_CIN_CHN |
Based on accumulated WAA for this season up to 1904-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.51 | Rube Waddell | 234.3 | OAK |
| +002+ | 8.98 | Jack Chesbro | 254 | NYA |
| +003+ | 8.77 | Joe McGinnity | 257.3 | SFN |
| +004+ | 7.24 | Frank Owen | 215 | CHA |
| +005+ | 7.17 | Eddie Plank | 225 | OAK |
| +006+ | 7.04 | Cy Young | 213.3 | BOS |
| +008+ | 5.76 | Patsy Flaherty | 177 | TOT |
| +010+ | 5.45 | Ed Killian | 213.3 | DET |
| +011+ | 4.43 | Norwood Gibson | 152 | BOS |
| +012+ | 4.38 | Earl Moore | 169.3 | CLE |
| +013+ | 4.35 | Jesse Tannehill | 166.7 | BOS |
| +014+ | 4.33 | Harry Howell | 162 | BAL |
| +018+ | 4.04 | Bill Bernhard | 183 | CLE |
| +019+ | 3.99 | Fred Glade | 155 | BAL |
| +021+ | 3.79 | Frank Smith | 87.7 | CHA |
| +022+ | 3.78 | Red Donahue | 152 | CLE |
| +023+ | 3.69 | Bill Dinneen | 163.7 | BOS |
| +027+ | 3.31 | Jack Taylor | 209 | SLN |
| +032+ | 2.9 | George Mullin | 224 | DET |
| +033+ | 2.89 | Ed Siever | 146.3 | BAL |
| +035+ | 2.77 | Bill Donovan | 180.7 | DET |
| +036+ | 2.65 | Nick Altrock | 187 | CHA |
| +037+ | 2.55 | Weldon Henley | 158.7 | OAK |
| +042+ | 2.44 | Addie Joss | 82.7 | CLE |
| +044+ | 2.41 | Doc White | 112 | CHA |
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