| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PHI | 8.55 | 190809050_SFN_PHI |
| Christy Mathewson | SFN | 6.31 | 190809050_SFN_PHI |
| Mordecai Brown | CHN | 5.74 | 190809040_CHN_PIT |
| Ed Walsh | CHA | 3.82 | 190809050_CLE_CHA |
| Cy Young | BOS | 3.47 | 190809041_OAK_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Frank Owen | CHA | -2.44 | 190809062_CLE_CHA |
| Rube Manning | NYA | -1.87 | 190809050_MIN_NYA |
| Bob Spade | CIN | -0.94 | 190809050_SLN_CIN |
| Patsy Flaherty | ATL | -0.61 | 190809052_ATL_LAN |
| Jack Coombs | OAK | -0.12 | 190809050_OAK_BOS |
Based on accumulated WAA for this season up to 1908-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.26 | George McQuillan | 308.3 | PHI |
| +002+ | 9.89 | Christy Mathewson | 299.3 | SFN |
| +003+ | 8.53 | Mordecai Brown | 234 | CHN |
| +005+ | 7.62 | Ed Walsh | 352 | CHA |
| +006+ | 7.4 | Cy Young | 253 | BOS |
| +009+ | 6.42 | Hooks Wiltse | 271.3 | SFN |
| +010+ | 5.86 | Addie Joss | 259.3 | CLE |
| +012+ | 4.52 | Jack Powell | 198 | BAL |
| +014+ | 4.38 | Harry Howell | 269 | BAL |
| +016+ | 3.74 | Vic Willis | 233.7 | PIT |
| +018+ | 3.4 | Eddie Plank | 193.3 | OAK |
| +019+ | 3.38 | Bill Foxen | 131 | PHI |
| +021+ | 3.27 | Tom Hughes | 237.7 | MIN |
| +026+ | 3.03 | Kaiser Wilhelm | 268.3 | LAN |
| +032+ | 2.89 | Frank Corridon | 140.7 | PHI |
| +033+ | 2.86 | Bill Donovan | 173.7 | DET |
| +034+ | 2.75 | Nap Rucker | 262.3 | LAN |
| +035+ | 2.74 | Bob Ewing | 229 | CIN |
| +042+ | 2.47 | Bugs Raymond | 259.3 | SLN |
| +050+ | 2.17 | Charlie Chech | 133.3 | CLE |
| +053+ | 2.02 | Bob Rhoads | 218 | CLE |
| +055+ | 1.95 | Elmer Steele | 74.3 | BOS |
| +056+ | 1.91 | Nick Maddox | 196.7 | PIT |
| +058+ | 1.84 | Doc White | 244.3 | CHA |
| +061+ | 1.75 | Tom Tuckey | 54 | ATL |
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