| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 4.96 | 190809150_CHN_ATL |
| Cy Young | BOS | 4.52 | 190809170_BOS_CLE |
| Ed Walsh | CHA | 4.17 | 190809150_CLE_CHA |
| Addie Joss | CLE | 2.92 | 190809170_BOS_CLE |
| Vic Willis | PIT | 0.92 | 190809170_PIT_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | -3.57 | 190809150_DET_BAL |
| Bill Hogg | NYA | -1.91 | 190809170_NYA_DET |
| George Bell | LAN | -1.09 | 190809150_CIN_LAN |
| Bob Spade | CIN | -0.98 | 190809150_CIN_LAN |
| Vive Lindaman | ATL | -0.46 | 190809150_CHN_ATL |
Based on accumulated WAA for this season up to 1908-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.89 | Christy Mathewson | 321 | SFN |
| +002+ | 10.27 | George McQuillan | 322.7 | PHI |
| +005+ | 8.83 | Cy Young | 279 | BOS |
| +006+ | 8.77 | Mordecai Brown | 251 | CHN |
| +007+ | 8.17 | Ed Walsh | 387 | CHA |
| +008+ | 7.62 | Addie Joss | 295.3 | CLE |
| +010+ | 7.22 | Hooks Wiltse | 290.3 | SFN |
| +012+ | 4.75 | Vic Willis | 267.7 | PIT |
| +014+ | 4.18 | Jack Powell | 223 | BAL |
| +022+ | 3.32 | Nap Rucker | 280.3 | LAN |
| +023+ | 3.3 | Harry Howell | 281.7 | BAL |
| +027+ | 3.13 | Andy Coakley | 251.7 | TOT |
| +029+ | 3.09 | Kaiser Wilhelm | 285.3 | LAN |
| +030+ | 3.03 | Eddie Plank | 209.3 | OAK |
| +032+ | 2.99 | Frank Corridon | 171.3 | PHI |
| +034+ | 2.91 | Heinie Berger | 180.7 | CLE |
| +035+ | 2.88 | Walter Johnson | 194.3 | MIN |
| +041+ | 2.78 | Ed Reulbach | 255 | CHN |
| +045+ | 2.59 | Tom Hughes | 255.7 | MIN |
| +048+ | 2.51 | Bob Rhoads | 235 | CLE |
| +050+ | 2.44 | Sam Leever | 181.7 | PIT |
| +051+ | 2.36 | Doc White | 270.7 | CHA |
| +055+ | 2.2 | Bob Ewing | 247.7 | CIN |
| +057+ | 2.13 | Charlie Chech | 146.3 | CLE |
| +058+ | 1.99 | Elmer Steele | 90.7 | BOS |
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