| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Taylor | SLN | -1.8 | 190509052_CIN_SLN |
| Jack Powell | NYA | -0.96 | 190509042_BOS_NYA |
| Charlie Chech | CIN | -0.88 | 190509051_CIN_SLN |
| Kid Nichols | PHI | -0.79 | 190509050_LAN_PHI |
| Chief Bender | OAK | -0.58 | 190509041_MIN_OAK |
Based on accumulated WAA for this season up to 1905-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.3 | Rube Waddell | 315.7 | OAK |
| +002+ | 9.51 | Ed Reulbach | 236.3 | CHN |
| +003+ | 9.27 | Christy Mathewson | 263.7 | SFN |
| +004+ | 8.54 | Doc White | 224 | CHA |
| +007+ | 7.93 | Deacon Phillippe | 246.7 | PIT |
| +008+ | 7.53 | Addie Joss | 220.3 | CLE |
| +014+ | 5.91 | Irv Young | 302.3 | ATL |
| +015+ | 5.87 | Bob Wicker | 138 | CHN |
| +016+ | 5.83 | Nick Altrock | 251.7 | CHA |
| +017+ | 5.54 | Harry Howell | 259.7 | BAL |
| +020+ | 5.26 | Jesse Tannehill | 225.3 | BOS |
| +023+ | 4.13 | Ed Killian | 265.7 | DET |
| +025+ | 4.09 | Fred Glade | 227.3 | BAL |
| +027+ | 3.85 | Jake Weimer | 212.7 | CHN |
| +028+ | 3.56 | Jack Chesbro | 251 | NYA |
| +030+ | 3.47 | Frank Owen | 271 | CHA |
| +031+ | 3.12 | Tully Sparks | 220.3 | PHI |
| +035+ | 3.01 | Frank Smith | 225.7 | CHA |
| +040+ | 2.7 | Tom Hughes | 241.7 | MIN |
| +045+ | 2.46 | Buttons Briggs | 151.7 | CHN |
| +046+ | 2.43 | Mordecai Brown | 201.3 | CHN |
| +048+ | 2.37 | Eddie Plank | 263.7 | OAK |
| +056+ | 2.09 | Dummy Taylor | 168.3 | SFN |
| +059+ | 1.99 | Andy Coakley | 187 | OAK |
| +061+ | 1.95 | Hooks Wiltse | 159.7 | SFN |
_