| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PHI | 8.7 | 190809012_LAN_PHI |
| Christy Mathewson | SFN | 5.93 | 190809012_SFN_ATL |
| Ed Walsh | CHA | 3.71 | 190809020_CHA_BAL |
| Addie Joss | CLE | 2.44 | 190809010_CLE_DET |
| Bob Ewing | CIN | 0.93 | 190809020_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -7.37 | 190809020_OAK_NYA |
| George Mullin | DET | -4.05 | 190809030_CLE_DET |
| Gus Dorner | ATL | -3.47 | 190809032_SFN_ATL |
| Fred Burchell | BOS | -1.92 | 190809030_BOS_MIN |
| Ed Karger | SLN | -1.46 | 190809020_SLN_CHN |
Based on accumulated WAA for this season up to 1908-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.85 | George McQuillan | 302.3 | PHI |
| +002+ | 9.4 | Christy Mathewson | 290.3 | SFN |
| +003+ | 8.34 | Mordecai Brown | 223.3 | CHN |
| +006+ | 7.24 | Ed Walsh | 343 | CHA |
| +007+ | 6.91 | Cy Young | 244 | BOS |
| +008+ | 6.59 | Addie Joss | 255.3 | CLE |
| +010+ | 5.94 | Hooks Wiltse | 262.3 | SFN |
| +013+ | 4.25 | Jack Powell | 189 | BAL |
| +016+ | 3.37 | Eddie Plank | 193.3 | OAK |
| +017+ | 3.28 | Tom Hughes | 237.7 | MIN |
| +020+ | 3.15 | Bill Foxen | 128 | PHI |
| +025+ | 2.99 | Bill Donovan | 164.7 | DET |
| +026+ | 2.97 | Vic Willis | 223.7 | PIT |
| +030+ | 2.9 | Frank Corridon | 140.7 | PHI |
| +032+ | 2.87 | Bob Rhoads | 216 | CLE |
| +033+ | 2.82 | Sam Leever | 170.7 | PIT |
| +035+ | 2.76 | Bob Ewing | 229 | CIN |
| +041+ | 2.46 | Bugs Raymond | 259.3 | SLN |
| +051+ | 2.06 | Charlie Chech | 122.7 | CLE |
| +052+ | 2.05 | Nap Rucker | 253.3 | LAN |
| +054+ | 1.87 | Ed Willett | 169 | DET |
| +055+ | 1.86 | Elmer Steele | 65.3 | BOS |
| +058+ | 1.82 | Rube Waddell | 219.7 | BAL |
| +063+ | 1.63 | Jack Pfiester | 215.3 | CHN |
| +064+ | 1.62 | Doc White | 233.3 | CHA |
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