| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.91 | 190407270_DET_OAK |
| Joe McGinnity | SFN | 5.51 | 190407292_SFN_LAN |
| Cy Young | BOS | 4.38 | 190407270_CHA_BOS |
| Frank Owen | CHA | 2.01 | 190407290_CHA_BOS |
| Earl Moore | CLE | 0.69 | 190407291_CLE_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -5.67 | 190407282_PHI_ATL |
| Joe Corbett | SLN | -3.11 | 190407291_SLN_PIT |
| Tully Sparks | PHI | -2.78 | 190407270_PHI_ATL |
| Happy Townsend | MIN | -1.74 | 190407272_CLE_MIN |
| Jesse Stovall | DET | -1.05 | 190407270_DET_OAK |
Based on accumulated WAA for this season up to 1904-07-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.99 | Rube Waddell | 225.3 | OAK |
| +002+ | 8.78 | Joe McGinnity | 257.3 | SFN |
| +003+ | 8.41 | Jack Chesbro | 244 | NYA |
| +004+ | 7.25 | Frank Owen | 215 | CHA |
| +005+ | 7.18 | Eddie Plank | 225 | OAK |
| +006+ | 7.05 | Cy Young | 213.3 | BOS |
| +008+ | 5.59 | Ed Killian | 210 | DET |
| +010+ | 5.24 | Patsy Flaherty | 168 | TOT |
| +011+ | 4.39 | Earl Moore | 169.3 | CLE |
| +012+ | 4.35 | Jesse Tannehill | 166.7 | BOS |
| +013+ | 4.31 | Harry Howell | 162 | BAL |
| +014+ | 4.13 | Norwood Gibson | 143 | BOS |
| +017+ | 4.06 | Bill Bernhard | 183 | CLE |
| +019+ | 3.89 | Red Donahue | 143 | CLE |
| +020+ | 3.79 | Frank Smith | 87.7 | CHA |
| +022+ | 3.69 | Bill Dinneen | 163.7 | BOS |
| +024+ | 3.66 | Jack Taylor | 201 | SLN |
| +025+ | 3.45 | Fred Glade | 145.7 | BAL |
| +032+ | 2.87 | Ed Siever | 146.3 | BAL |
| +033+ | 2.87 | George Mullin | 224 | DET |
| +035+ | 2.76 | Nick Altrock | 178 | CHA |
| +036+ | 2.75 | Bill Donovan | 180.7 | DET |
| +039+ | 2.56 | Weldon Henley | 158.7 | OAK |
| +041+ | 2.45 | Addie Joss | 82.7 | CLE |
| +043+ | 2.42 | Doc White | 112 | CHA |
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