| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 8.95 | 190809261_CIN_SFN |
| Ed Walsh | CHA | 5.48 | 190809270_BOS_CHA |
| Cy Young | BOS | 4.74 | 190809280_BOS_CHA |
| Addie Joss | CLE | 3.73 | 190809260_MIN_CLE |
| Vic Willis | PIT | 1.54 | 190809260_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | -5.37 | 190809270_OAK_DET |
| Patsy Flaherty | ATL | -1.42 | 190809280_LAN_ATL |
| Jim Pastorius | LAN | -0.65 | 190809262_CHN_LAN |
| Irv Higginbotham | SLN | -0.62 | 190809261_SLN_PHI |
| Barney Pelty | BAL | -0.28 | 190809281_NYA_BAL |
Based on accumulated WAA for this season up to 1908-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.45 | Christy Mathewson | 359 | SFN |
| +002+ | 11 | George McQuillan | 350.7 | PHI |
| +003+ | 10.31 | Ed Walsh | 423 | CHA |
| +004+ | 9.43 | Cy Young | 298 | BOS |
| +007+ | 8.69 | Mordecai Brown | 277 | CHN |
| +008+ | 7.66 | Addie Joss | 308.3 | CLE |
| +011+ | 6.31 | Vic Willis | 294.7 | PIT |
| +012+ | 5.28 | Jack Powell | 249 | BAL |
| +014+ | 5.06 | Hooks Wiltse | 312.3 | SFN |
| +015+ | 4.53 | Ed Reulbach | 283 | CHN |
| +018+ | 4.01 | Walter Johnson | 225.3 | MIN |
| +027+ | 3.47 | Eddie Plank | 227.7 | OAK |
| +029+ | 3.41 | Andy Coakley | 261.7 | TOT |
| +030+ | 3.4 | Kaiser Wilhelm | 312.3 | LAN |
| +031+ | 3.34 | Harry Howell | 297 | BAL |
| +033+ | 3.22 | Rube Waddell | 284.7 | BAL |
| +038+ | 2.96 | Bob Rhoads | 253 | CLE |
| +040+ | 2.9 | Heinie Berger | 189.7 | CLE |
| +043+ | 2.83 | Nap Rucker | 315.7 | LAN |
| +046+ | 2.64 | Frank Smith | 280.7 | CHA |
| +047+ | 2.6 | Doc White | 285.7 | CHA |
| +048+ | 2.57 | Lefty Leifield | 208.7 | PIT |
| +055+ | 2.35 | Elmer Steele | 101.7 | BOS |
| +054+ | 2.35 | Ed Summers | 281 | DET |
| +057+ | 2.23 | Orval Overall | 217 | CHN |
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