| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry McIntire | LAN | -4.3 | 190509020_LAN_ATL |
| Jake Thielman | SLN | -1.56 | 190509041_CIN_SLN |
| Frank Kitson | DET | -1.08 | 190509020_DET_BAL |
| Jack Powell | NYA | -0.96 | 190509042_BOS_NYA |
| Vic Willis | ATL | -0.86 | 190509020_LAN_ATL |
Based on accumulated WAA for this season up to 1905-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.89 | Rube Waddell | 303.3 | OAK |
| +002+ | 10.08 | Ed Reulbach | 236.3 | CHN |
| +003+ | 9.23 | Christy Mathewson | 263.7 | SFN |
| +004+ | 8.46 | Doc White | 224 | CHA |
| +005+ | 8.35 | Cy Young | 275.7 | BOS |
| +007+ | 7.89 | Deacon Phillippe | 246.7 | PIT |
| +008+ | 7.5 | Addie Joss | 220.3 | CLE |
| +015+ | 5.86 | Irv Young | 302.3 | ATL |
| +016+ | 5.84 | Bob Wicker | 138 | CHN |
| +017+ | 5.5 | Harry Howell | 259.7 | BAL |
| +018+ | 5.3 | Jesse Tannehill | 225.3 | BOS |
| +024+ | 4.09 | Ed Killian | 265.7 | DET |
| +025+ | 4.06 | Fred Glade | 227.3 | BAL |
| +027+ | 3.8 | Jake Weimer | 212.7 | CHN |
| +028+ | 3.56 | Jack Chesbro | 242 | NYA |
| +030+ | 3.39 | Tom Hughes | 235.7 | MIN |
| +031+ | 3.37 | Frank Owen | 271 | CHA |
| +033+ | 3.09 | Tully Sparks | 220.3 | PHI |
| +037+ | 2.93 | Frank Smith | 225.7 | CHA |
| +039+ | 2.83 | Earl Moore | 238.3 | CLE |
| +045+ | 2.42 | Buttons Briggs | 151.7 | CHN |
| +046+ | 2.39 | Eddie Plank | 263.7 | OAK |
| +047+ | 2.38 | Mordecai Brown | 201.3 | CHN |
| +055+ | 2.06 | Dummy Taylor | 168.3 | SFN |
| +058+ | 2.01 | Andy Coakley | 187 | OAK |
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