| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PHI | 7.94 | 190808280_PHI_PIT |
| Christy Mathewson | SFN | 5.75 | 190808290_SFN_CHN |
| Mordecai Brown | CHN | 5.73 | 190808290_SFN_CHN |
| Ed Walsh | CHA | 3.97 | 190808282_CHA_NYA |
| Addie Joss | CLE | 2.18 | 190808281_CLE_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -9.32 | 190808281_CHA_NYA |
| Gus Dorner | ATL | -2.46 | 190808290_ATL_CIN |
| Burt Keeley | MIN | -2.12 | 190808291_CLE_MIN |
| George Winter | DET | -1.17 | 190808292_DET_OAK |
| Jack Coombs | OAK | -0.54 | 190808291_DET_OAK |
Based on accumulated WAA for this season up to 1908-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.47 | George McQuillan | 292.3 | PHI |
| +002+ | 8.72 | Christy Mathewson | 281.7 | SFN |
| +003+ | 8.35 | Mordecai Brown | 223.3 | CHN |
| +005+ | 7.06 | Ed Walsh | 328 | CHA |
| +007+ | 6.79 | Cy Young | 235 | BOS |
| +009+ | 5.84 | Addie Joss | 246.3 | CLE |
| +010+ | 5.44 | Hooks Wiltse | 253.3 | SFN |
| +012+ | 4.58 | Kaiser Wilhelm | 252.3 | LAN |
| +013+ | 4.25 | Jack Powell | 189 | BAL |
| +014+ | 3.89 | Bob Ewing | 222 | CIN |
| +017+ | 3.57 | Harry Howell | 253 | BAL |
| +018+ | 3.53 | Andy Coakley | 233.3 | CIN |
| +019+ | 3.43 | Bill Foxen | 120 | PHI |
| +025+ | 3.09 | Eddie Plank | 184.3 | OAK |
| +027+ | 2.99 | Bugs Raymond | 245.7 | SLN |
| +028+ | 2.91 | Tom Hughes | 227.7 | MIN |
| +029+ | 2.9 | Bill Donovan | 155.7 | DET |
| +033+ | 2.63 | Bob Rhoads | 208 | CLE |
| +035+ | 2.53 | Sam Leever | 161.7 | PIT |
| +037+ | 2.26 | Vic Willis | 214.7 | PIT |
| +045+ | 2.04 | Frank Corridon | 123.7 | PHI |
| +046+ | 2 | Cecil Ferguson | 145 | ATL |
| +050+ | 1.88 | Ed Willett | 169 | DET |
| +052+ | 1.85 | Elmer Steele | 57.3 | BOS |
| +053+ | 1.82 | Heinie Berger | 138.7 | CLE |
_