| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 7.78 | 190809120_LAN_SFN |
| Cy Young | BOS | 4.03 | 190809120_NYA_BOS |
| Ed Walsh | CHA | 3.5 | 190809132_CLE_CHA |
| Addie Joss | CLE | 2.73 | 190809110_BAL_CLE |
| Vic Willis | PIT | 0.97 | 190809130_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gus Dorner | ATL | -5.22 | 190809122_ATL_PHI |
| George Mullin | DET | -3.27 | 190809110_CHA_DET |
| Rube Manning | NYA | -2.77 | 190809120_NYA_BOS |
| Art Fromme | SLN | -0.38 | 190809110_CHN_SLN |
| Jack Coombs | OAK | -0.26 | 190809112_OAK_MIN |
Based on accumulated WAA for this season up to 1908-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.79 | Christy Mathewson | 319.3 | SFN |
| +002+ | 10.29 | George McQuillan | 314.7 | PHI |
| +003+ | 8.77 | Mordecai Brown | 243 | CHN |
| +005+ | 8.41 | Cy Young | 271 | BOS |
| +007+ | 8.1 | Ed Walsh | 378 | CHA |
| +009+ | 7.1 | Hooks Wiltse | 280.3 | SFN |
| +010+ | 7.06 | Addie Joss | 277.3 | CLE |
| +013+ | 4.24 | Vic Willis | 258.7 | PIT |
| +014+ | 4.21 | Harry Howell | 279.7 | BAL |
| +016+ | 3.91 | Jack Powell | 214 | BAL |
| +019+ | 3.55 | Frank Corridon | 162.3 | PHI |
| +020+ | 3.32 | Nap Rucker | 274.7 | LAN |
| +026+ | 3.11 | Andy Coakley | 251.7 | TOT |
| +029+ | 3.02 | Eddie Plank | 209.3 | OAK |
| +038+ | 2.73 | Bill Foxen | 141.7 | PHI |
| +041+ | 2.64 | Walter Johnson | 191.3 | MIN |
| +042+ | 2.59 | Bob Ewing | 237 | CIN |
| +044+ | 2.58 | Tom Hughes | 255.7 | MIN |
| +045+ | 2.51 | Bob Rhoads | 235 | CLE |
| +046+ | 2.49 | Bill Donovan | 183.7 | DET |
| +047+ | 2.46 | Howie Camnitz | 211.7 | PIT |
| +048+ | 2.42 | Heinie Berger | 171.7 | CLE |
| +050+ | 2.4 | Kaiser Wilhelm | 276.3 | LAN |
| +052+ | 2.28 | Ed Reulbach | 246 | CHN |
| +057+ | 2.2 | Sam Leever | 178.7 | PIT |
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