| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 8.98 | 190407231_CLE_OAK |
| Jack Chesbro | NYA | 3.56 | 190407230_CHA_NYA |
| Frank Owen | CHA | 1.9 | 190407250_CHA_NYA |
| Bill Dinneen | BOS | 1.62 | 190407230_BAL_BOS |
| Bill Donovan | DET | 1.04 | 190407232_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tom Fisher | ATL | -7.51 | 190407232_ATL_CIN |
| Tully Sparks | PHI | -2.4 | 190407232_PHI_SLN |
| Joe Corbett | SLN | -2.28 | 190407231_PHI_SLN |
| Happy Townsend | MIN | -1.61 | 190407231_DET_MIN |
| Oscar Jones | LAN | -1.09 | 190407230_LAN_PIT |
Based on accumulated WAA for this season up to 1904-07-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.35 | Rube Waddell | 216.3 | OAK |
| +002+ | 8.52 | Jack Chesbro | 244 | NYA |
| +003+ | 8.13 | Joe McGinnity | 248.3 | SFN |
| +004+ | 6.97 | Frank Owen | 205 | CHA |
| +005+ | 6.58 | Cy Young | 203.3 | BOS |
| +006+ | 6.3 | Eddie Plank | 208 | OAK |
| +009+ | 5.09 | Ed Killian | 201 | DET |
| +010+ | 4.8 | Patsy Flaherty | 159 | TOT |
| +011+ | 4.36 | Harry Howell | 162 | BAL |
| +012+ | 4.22 | Norwood Gibson | 143 | BOS |
| +013+ | 4.14 | Jesse Tannehill | 157.7 | BOS |
| +017+ | 3.82 | Bill Dinneen | 153.7 | BOS |
| +020+ | 3.71 | Red Donahue | 135 | CLE |
| +019+ | 3.71 | Earl Moore | 157.7 | CLE |
| +022+ | 3.49 | Fred Glade | 145.7 | BAL |
| +023+ | 3.39 | Bill Bernhard | 174 | CLE |
| +024+ | 3.29 | Frank Smith | 78.3 | CHA |
| +026+ | 3.23 | Jack Taylor | 192 | SLN |
| +031+ | 2.92 | Ed Siever | 146.3 | BAL |
| +034+ | 2.76 | Nick Altrock | 169 | CHA |
| +035+ | 2.71 | Bill Donovan | 180.7 | DET |
| +037+ | 2.65 | George Mullin | 216 | DET |
| +039+ | 2.48 | Doc White | 112 | CHA |
| +042+ | 2.4 | Kid Nichols | 167 | SLN |
| +045+ | 2.11 | Addie Joss | 75.7 | CLE |
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