| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PHI | 7.01 | 190809140_ATL_PHI |
| Mordecai Brown | CHN | 4.96 | 190809150_CHN_ATL |
| Ed Walsh | CHA | 4.17 | 190809150_CLE_CHA |
| Hooks Wiltse | SFN | 3.11 | 190809140_LAN_SFN |
| Addie Joss | CLE | 3.07 | 190809140_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -7.8 | 190809140_NYA_BOS |
| George Mullin | DET | -3.57 | 190809150_DET_BAL |
| Burt Keeley | MIN | -2.4 | 190809141_OAK_MIN |
| Frank Owen | CHA | -2 | 190809140_CLE_CHA |
| George Bell | LAN | -1.09 | 190809150_CIN_LAN |
Based on accumulated WAA for this season up to 1908-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.89 | Christy Mathewson | 321 | SFN |
| +002+ | 10.28 | George McQuillan | 322.7 | PHI |
| +004+ | 8.77 | Mordecai Brown | 251 | CHN |
| +006+ | 8.4 | Cy Young | 271 | BOS |
| +007+ | 8.17 | Ed Walsh | 387 | CHA |
| +009+ | 7.23 | Hooks Wiltse | 290.3 | SFN |
| +010+ | 6.92 | Addie Joss | 286.3 | CLE |
| +013+ | 4.24 | Vic Willis | 258.7 | PIT |
| +014+ | 4.19 | Jack Powell | 223 | BAL |
| +019+ | 3.33 | Nap Rucker | 280.3 | LAN |
| +021+ | 3.31 | Harry Howell | 281.7 | BAL |
| +025+ | 3.1 | Andy Coakley | 251.7 | TOT |
| +027+ | 3.04 | Eddie Plank | 209.3 | OAK |
| +029+ | 3 | Frank Corridon | 171.3 | PHI |
| +033+ | 2.87 | Walter Johnson | 194.3 | MIN |
| +038+ | 2.8 | Bob Ewing | 239.7 | CIN |
| +039+ | 2.73 | Bill Foxen | 141.7 | PHI |
| +043+ | 2.58 | Tom Hughes | 255.7 | MIN |
| +045+ | 2.51 | Bob Rhoads | 235 | CLE |
| +047+ | 2.46 | Howie Camnitz | 211.7 | PIT |
| +048+ | 2.42 | Heinie Berger | 171.7 | CLE |
| +049+ | 2.38 | Kaiser Wilhelm | 276.3 | LAN |
| +051+ | 2.29 | Ed Reulbach | 246 | CHN |
| +056+ | 2.19 | Sam Leever | 178.7 | PIT |
| +057+ | 2.13 | Charlie Chech | 146.3 | CLE |
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