| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PHI | 8.55 | 190809050_SFN_PHI |
| Christy Mathewson | SFN | 6.31 | 190809050_SFN_PHI |
| Ed Walsh | CHA | 4.88 | 190809071_CHA_CLE |
| Addie Joss | CLE | 2.84 | 190809050_CLE_CHA |
| Jack Powell | BAL | 1.41 | 190809071_BAL_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | -4.2 | 190809072_BAL_DET |
| Frank Owen | CHA | -2.44 | 190809062_CLE_CHA |
| Fred Burchell | BOS | -2.11 | 190809071_OAK_BOS |
| Bill Hogg | NYA | -2.02 | 190809072_MIN_NYA |
| Bob Spade | CIN | -1.37 | 190809072_CIN_CHN |
Based on accumulated WAA for this season up to 1908-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.24 | George McQuillan | 308.3 | PHI |
| +002+ | 9.89 | Christy Mathewson | 299.3 | SFN |
| +003+ | 8.52 | Mordecai Brown | 234 | CHN |
| +006+ | 7.38 | Cy Young | 253 | BOS |
| +007+ | 7.21 | Ed Walsh | 357 | CHA |
| +008+ | 7.13 | Hooks Wiltse | 280.3 | SFN |
| +010+ | 6.56 | Addie Joss | 268.3 | CLE |
| +012+ | 4.32 | Jack Powell | 206 | BAL |
| +014+ | 4.23 | Vic Willis | 242.7 | PIT |
| +015+ | 4.12 | Harry Howell | 273.3 | BAL |
| +019+ | 3.38 | Andy Coakley | 250.3 | TOT |
| +020+ | 3.33 | Tom Hughes | 246.7 | MIN |
| +021+ | 3.31 | Frank Corridon | 148.7 | PHI |
| +024+ | 3.04 | Eddie Plank | 199.3 | OAK |
| +026+ | 3 | Kaiser Wilhelm | 268.3 | LAN |
| +033+ | 2.88 | Bill Foxen | 138 | PHI |
| +034+ | 2.85 | Bill Donovan | 173.7 | DET |
| +035+ | 2.74 | Bob Ewing | 229 | CIN |
| +038+ | 2.73 | Nap Rucker | 262.3 | LAN |
| +042+ | 2.44 | Charlie Chech | 142.3 | CLE |
| +046+ | 2.28 | Walter Johnson | 173.3 | MIN |
| +050+ | 2.18 | Sam Leever | 178.7 | PIT |
| +053+ | 2.02 | Bob Rhoads | 218 | CLE |
| +055+ | 1.94 | Elmer Steele | 74.3 | BOS |
| +056+ | 1.9 | Nick Maddox | 196.7 | PIT |
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