| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 5.75 | 190808290_SFN_CHN |
| Mordecai Brown | CHN | 5.73 | 190808290_SFN_CHN |
| Ed Walsh | CHA | 4.43 | 190808310_CHA_BAL |
| Cy Young | BOS | 3.43 | 190808310_BOS_MIN |
| Andy Coakley | CIN | 1.13 | 190808290_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -8.17 | 190808311_OAK_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 |
| Bob Spade | CIN | -0.62 | 190808310_PIT_CIN |
Based on accumulated WAA for this season up to 1908-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.42 | George McQuillan | 292.3 | PHI |
| +002+ | 8.67 | Christy Mathewson | 281.7 | SFN |
| +003+ | 8.31 | Mordecai Brown | 223.3 | CHN |
| +006+ | 6.84 | Cy Young | 244 | BOS |
| +007+ | 6.67 | Ed Walsh | 334 | CHA |
| +010+ | 5.4 | Hooks Wiltse | 253.3 | SFN |
| +012+ | 4.54 | Kaiser Wilhelm | 252.3 | LAN |
| +013+ | 4.22 | Jack Powell | 189 | BAL |
| +014+ | 3.85 | Bob Ewing | 222 | CIN |
| +017+ | 3.54 | Harry Howell | 253 | BAL |
| +018+ | 3.49 | Andy Coakley | 233.3 | CIN |
| +019+ | 3.41 | Bill Foxen | 120 | PHI |
| +020+ | 3.19 | Bugs Raymond | 253.7 | SLN |
| +026+ | 3.07 | Eddie Plank | 184.3 | OAK |
| +028+ | 2.93 | Vic Willis | 223.7 | PIT |
| +029+ | 2.88 | Tom Hughes | 227.7 | MIN |
| +030+ | 2.88 | Bill Donovan | 155.7 | DET |
| +034+ | 2.6 | Bob Rhoads | 208 | CLE |
| +037+ | 2.51 | Sam Leever | 161.7 | PIT |
| +045+ | 2.02 | Frank Corridon | 123.7 | PHI |
| +046+ | 2.02 | Charlie Chech | 122.7 | CLE |
| +048+ | 1.98 | Cecil Ferguson | 145 | ATL |
| +053+ | 1.85 | Ed Willett | 169 | DET |
| +054+ | 1.84 | Elmer Steele | 57.3 | BOS |
| +055+ | 1.8 | Heinie Berger | 138.7 | CLE |
_