| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 9.61 | 190809291_PHI_SFN |
| George McQuillan | PHI | 7.34 | 190809291_PHI_SFN |
| Ed Walsh | CHA | 6.37 | 190809291_BOS_CHA |
| Mordecai Brown | CHN | 4.36 | 190809290_CHN_CIN |
| Vic Willis | PIT | 1.91 | 190809300_SLN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -7.31 | 190809291_NYA_BAL |
| Fred Burchell | BOS | -1.17 | 190809291_BOS_CHA |
| George Bell | LAN | -0.95 | 190809290_LAN_ATL |
| Bob Spade | CIN | -0.94 | 190810010_CHN_CIN |
| Vive Lindaman | ATL | -0.89 | 190809290_LAN_ATL |
Based on accumulated WAA for this season up to 1908-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.84 | Christy Mathewson | 377 | SFN |
| +002+ | 11.5 | Ed Walsh | 441 | CHA |
| +003+ | 10.43 | George McQuillan | 358.7 | PHI |
| +005+ | 9.5 | Cy Young | 298 | BOS |
| +007+ | 8.99 | Mordecai Brown | 286 | CHN |
| +009+ | 7.68 | Addie Joss | 308.3 | CLE |
| +011+ | 5.38 | Vic Willis | 298.7 | PIT |
| +013+ | 5.25 | Ed Reulbach | 292 | CHN |
| +015+ | 4.7 | Hooks Wiltse | 315.3 | SFN |
| +019+ | 4.06 | Harry Howell | 306 | BAL |
| +021+ | 3.94 | Kaiser Wilhelm | 321.3 | LAN |
| +024+ | 3.8 | Eddie Plank | 236.7 | OAK |
| +026+ | 3.68 | Bob Rhoads | 262 | CLE |
| +031+ | 3.42 | Andy Coakley | 261.7 | TOT |
| +033+ | 3.25 | Walter Johnson | 236.3 | MIN |
| +034+ | 3.24 | Rube Waddell | 284.7 | BAL |
| +044+ | 2.85 | Nap Rucker | 315.7 | LAN |
| +046+ | 2.77 | Heinie Berger | 198.7 | CLE |
| +048+ | 2.66 | Frank Smith | 280.7 | CHA |
| +049+ | 2.62 | Doc White | 285.7 | CHA |
| +051+ | 2.58 | Lefty Leifield | 208.7 | PIT |
| +050+ | 2.58 | Elmer Steele | 109.7 | BOS |
| +056+ | 2.44 | Ed Summers | 290 | DET |
| +057+ | 2.39 | Sam Leever | 192.7 | PIT |
| +060+ | 2.09 | Howie Camnitz | 226.7 | PIT |
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