| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gus Dorner | ATL | -5.53 | 190809180_CIN_ATL |
| George Mullin | DET | -4.31 | 190809190_NYA_DET |
| Jack Chesbro | NYA | -1.77 | 190809180_NYA_DET |
| George Bell | LAN | -0.93 | 190809182_SLN_LAN |
| Bob Spade | CIN | -0.72 | 190809190_CIN_ATL |
Based on accumulated WAA for this season up to 1908-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.54 | Christy Mathewson | 330 | SFN |
| +002+ | 10.57 | George McQuillan | 332.7 | PHI |
| +005+ | 8.86 | Mordecai Brown | 260 | CHN |
| +006+ | 8.83 | Ed Walsh | 396 | CHA |
| +007+ | 8.82 | Cy Young | 279 | BOS |
| +008+ | 7.59 | Addie Joss | 295.3 | CLE |
| +011+ | 6.25 | Hooks Wiltse | 297.3 | SFN |
| +013+ | 4.74 | Vic Willis | 267.7 | PIT |
| +014+ | 4.64 | Jack Powell | 232 | BAL |
| +018+ | 3.6 | Kaiser Wilhelm | 294.3 | LAN |
| +017+ | 3.6 | Walter Johnson | 211.7 | MIN |
| +021+ | 3.54 | Harry Howell | 290.7 | BAL |
| +022+ | 3.49 | Eddie Plank | 217.7 | OAK |
| +026+ | 3.36 | Ed Reulbach | 265 | CHN |
| +029+ | 3.19 | Nap Rucker | 289.3 | LAN |
| +032+ | 3.07 | Andy Coakley | 251.7 | TOT |
| +036+ | 2.98 | Bob Rhoads | 244 | CLE |
| +039+ | 2.89 | Heinie Berger | 180.7 | CLE |
| +043+ | 2.72 | Frank Corridon | 180.3 | PHI |
| +046+ | 2.61 | Doc White | 279.7 | CHA |
| +053+ | 2.3 | Rube Waddell | 266.7 | BAL |
| +054+ | 2.26 | Bugs Raymond | 290.3 | SLN |
| +056+ | 2.15 | Bob Ewing | 247.7 | CIN |
| +057+ | 2.12 | Charlie Chech | 146.3 | CLE |
| +059+ | 1.98 | Sam Leever | 186.7 | PIT |
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