| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gus Dorner | ATL | -3.27 | 190808231_ATL_SLN |
| Bill Hogg | NYA | -2.47 | 190808241_BAL_NYA |
| Ed Karger | SLN | -0.79 | 190808231_ATL_SLN |
| George Bell | LAN | -0.54 | 190808250_LAN_CHN |
| Bob Spade | CIN | -0.51 | 190808230_PHI_CIN |
Based on accumulated WAA for this season up to 1908-08-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.12 | George McQuillan | 284.3 | PHI |
| +002+ | 8.71 | Christy Mathewson | 272.7 | SFN |
| +004+ | 7.95 | Mordecai Brown | 211.7 | CHN |
| +006+ | 6.82 | Cy Young | 226 | BOS |
| +007+ | 6.71 | Ed Walsh | 319 | CHA |
| +009+ | 5.92 | Hooks Wiltse | 245.3 | SFN |
| +010+ | 5.67 | Addie Joss | 238.3 | CLE |
| +012+ | 4.33 | Andy Coakley | 228.7 | CIN |
| +013+ | 4.31 | Jack Powell | 181 | BAL |
| +014+ | 4.19 | Kaiser Wilhelm | 243.3 | LAN |
| +015+ | 4.15 | Harry Howell | 251.3 | BAL |
| +016+ | 3.98 | Ed Willett | 165.3 | DET |
| +018+ | 3.59 | Bugs Raymond | 241 | SLN |
| +020+ | 3.28 | Bob Ewing | 213 | CIN |
| +021+ | 3.27 | Bill Foxen | 115 | PHI |
| +024+ | 3.17 | Bill Donovan | 147.7 | DET |
| +027+ | 2.9 | Vic Willis | 213.7 | PIT |
| +033+ | 2.55 | Eddie Plank | 173.3 | OAK |
| +037+ | 2.17 | Bob Rhoads | 199 | CLE |
| +045+ | 1.98 | Charlie Chech | 113.7 | CLE |
| +047+ | 1.91 | Tom Tuckey | 32 | ATL |
| +051+ | 1.85 | Heinie Berger | 130.7 | CLE |
| +055+ | 1.73 | Cecil Ferguson | 133 | ATL |
| +057+ | 1.64 | Frank Corridon | 115.7 | PHI |
| +058+ | 1.61 | Lefty Leifield | 143.7 | PIT |
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