| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 7.74 | 190809080_LAN_SFN |
| George McQuillan | PHI | 7.21 | 190809100_PHI_ATL |
| Mordecai Brown | CHN | 4.91 | 190809100_CHN_SLN |
| Cy Young | BOS | 4.11 | 190809080_BOS_MIN |
| Jack Powell | BAL | 1.06 | 190809100_BAL_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -7.84 | 190809090_NYA_OAK |
| Gus Dorner | ATL | -4.46 | 190809080_PHI_ATL |
| Burt Keeley | MIN | -1.71 | 190809100_BOS_MIN |
| Fred Burchell | BOS | -1.32 | 190809100_BOS_MIN |
| Bob Spade | CIN | -1.17 | 190809100_CIN_PIT |
Based on accumulated WAA for this season up to 1908-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.79 | Christy Mathewson | 310.3 | SFN |
| +002+ | 10.42 | George McQuillan | 314.7 | PHI |
| +003+ | 8.87 | Mordecai Brown | 243 | CHN |
| +006+ | 7.97 | Cy Young | 262 | BOS |
| +008+ | 7.16 | Hooks Wiltse | 280.3 | SFN |
| +009+ | 7.11 | Ed Walsh | 358 | CHA |
| +010+ | 6.61 | Addie Joss | 268.3 | CLE |
| +013+ | 4.29 | Vic Willis | 250.7 | PIT |
| +014+ | 4.2 | Harry Howell | 273.3 | BAL |
| +016+ | 3.96 | Jack Powell | 214 | BAL |
| +019+ | 3.57 | Frank Corridon | 151.3 | PHI |
| +020+ | 3.47 | Andy Coakley | 250.3 | TOT |
| +022+ | 3.4 | Tom Hughes | 246.7 | MIN |
| +023+ | 3.35 | Nap Rucker | 274.7 | LAN |
| +026+ | 3.09 | Eddie Plank | 199.3 | OAK |
| +028+ | 3.05 | Kaiser Wilhelm | 268.3 | LAN |
| +032+ | 2.92 | Bill Foxen | 138 | PHI |
| +035+ | 2.82 | Bob Ewing | 229 | CIN |
| +040+ | 2.59 | Bill Donovan | 183.7 | DET |
| +043+ | 2.47 | Charlie Chech | 142.3 | CLE |
| +044+ | 2.45 | Nick Maddox | 205.7 | PIT |
| +048+ | 2.33 | Walter Johnson | 173.3 | MIN |
| +053+ | 2.26 | Bob Rhoads | 226 | CLE |
| +054+ | 2.22 | Sam Leever | 178.7 | PIT |
| +057+ | 2.03 | Heinie Berger | 163.7 | CLE |
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