| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 7.74 | 190809080_LAN_SFN |
| Ed Walsh | CHA | 4.88 | 190809071_CHA_CLE |
| Cy Young | BOS | 4.11 | 190809080_BOS_MIN |
| Addie Joss | CLE | 2.57 | 190809071_CHA_CLE |
| Jack Powell | BAL | 1.41 | 190809071_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gus Dorner | ATL | -4.46 | 190809080_PHI_ATL |
| George Mullin | DET | -4.2 | 190809072_BAL_DET |
| Rube Manning | NYA | -2.5 | 190809080_NYA_OAK |
| Frank Owen | CHA | -2.44 | 190809062_CLE_CHA |
| Fred Burchell | BOS | -2.11 | 190809071_OAK_BOS |
Based on accumulated WAA for this season up to 1908-09-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.67 | Christy Mathewson | 310.3 | SFN |
| +002+ | 10.19 | George McQuillan | 308.3 | PHI |
| +006+ | 7.85 | Cy Young | 262 | BOS |
| +007+ | 7.17 | Ed Walsh | 357 | CHA |
| +008+ | 7.06 | Hooks Wiltse | 280.3 | SFN |
| +010+ | 6.52 | Addie Joss | 268.3 | CLE |
| +013+ | 4.3 | Jack Powell | 206 | BAL |
| +014+ | 4.2 | Vic Willis | 242.7 | PIT |
| +015+ | 4.08 | Harry Howell | 273.3 | BAL |
| +019+ | 3.36 | Andy Coakley | 250.3 | TOT |
| +021+ | 3.3 | Tom Hughes | 246.7 | MIN |
| +022+ | 3.29 | Frank Corridon | 148.7 | PHI |
| +023+ | 3.28 | Nap Rucker | 272.7 | LAN |
| +026+ | 3.02 | Eddie Plank | 199.3 | OAK |
| +033+ | 2.93 | Kaiser Wilhelm | 268.3 | LAN |
| +036+ | 2.86 | Bill Foxen | 138 | PHI |
| +037+ | 2.82 | Bill Donovan | 173.7 | DET |
| +039+ | 2.72 | Bob Ewing | 229 | CIN |
| +041+ | 2.42 | Charlie Chech | 142.3 | CLE |
| +045+ | 2.26 | Walter Johnson | 173.3 | MIN |
| +049+ | 2.19 | Bob Rhoads | 226 | CLE |
| +052+ | 2.15 | Sam Leever | 178.7 | PIT |
| +054+ | 2.11 | Doc White | 253.3 | CHA |
| +056+ | 1.93 | Elmer Steele | 74.3 | BOS |
| +057+ | 1.87 | Nick Maddox | 196.7 | PIT |
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