| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rube Waddell | OAK | 11.68 | 190406170_OAK_DET |
| Joe McGinnity | SFN | 10.35 | 190406180_LAN_SFN |
| Bill Dinneen | BOS | 3.96 | 190406180_BOS_CHA |
| Jack Taylor | SLN | 2.53 | 190406191_PIT_SLN |
| Sam Leever | PIT | 2.14 | 190406191_PIT_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| John McPherson | PHI | -2.29 | 190406180_PHI_ATL |
| Happy Townsend | MIN | -1.34 | 190406180_MIN_CLE |
| Oscar Jones | LAN | -1.18 | 190406190_SFN_LAN |
| Joe Corbett | SLN | -0.98 | 190406180_SLN_PIT |
| Doc Scanlan | PIT | -0.88 | 190406180_SLN_PIT |
Based on accumulated WAA for this season up to 1904-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.77 | Rube Waddell | 150 | OAK |
| +002+ | 7.42 | Joe McGinnity | 165 | SFN |
| +004+ | 5.43 | Jack Chesbro | 155 | NYA |
| +003+ | 5.43 | Red Donahue | 100 | CLE |
| +005+ | 5.38 | Cy Young | 118 | BOS |
| +006+ | 4.83 | Jesse Tannehill | 113.7 | BOS |
| +007+ | 4.56 | Frank Owen | 127.7 | CHA |
| +008+ | 3.86 | Bill Dinneen | 122.7 | BOS |
| +015+ | 2.87 | Harry Howell | 106.7 | BAL |
| +016+ | 2.85 | Eddie Plank | 136 | OAK |
| +017+ | 2.49 | Bill Bernhard | 115 | CLE |
| +020+ | 2.37 | Ed Killian | 136.3 | DET |
| +022+ | 2.21 | Weldon Henley | 99.7 | OAK |
| +023+ | 2.21 | Barney Pelty | 86.3 | BAL |
| +025+ | 2.12 | Jack Taylor | 119 | SLN |
| +026+ | 2.09 | Patsy Flaherty | 70 | TOT |
| +027+ | 2.02 | Fred Glade | 86.7 | BAL |
| +032+ | 1.8 | Jack Powell | 120.7 | NYA |
| +035+ | 1.66 | Sam Leever | 97 | PIT |
| +037+ | 1.52 | George Mullin | 148 | DET |
| +041+ | 1.36 | Nick Altrock | 111.3 | CHA |
| +045+ | 1.31 | Norwood Gibson | 72 | BOS |
| +047+ | 1.27 | Ed Siever | 85 | BAL |
| +048+ | 1.26 | George Winter | 42.3 | BOS |
| XXXXX | 1.21 | Bill Donovan | 120 | DET |
_