| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 7.72 | 190809181_PIT_SFN |
| George McQuillan | PHI | 6.8 | 190809180_CHN_PHI |
| Mordecai Brown | CHN | 4.72 | 190809191_CHN_PHI |
| Cy Young | BOS | 4.52 | 190809170_BOS_CLE |
| Ed Walsh | CHA | 4.11 | 190809180_MIN_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gus Dorner | ATL | -5.53 | 190809180_CIN_ATL |
| George Mullin | DET | -4.31 | 190809190_NYA_DET |
| Bill Hogg | NYA | -1.91 | 190809170_NYA_DET |
| George Bell | LAN | -0.93 | 190809182_SLN_LAN |
| Bob Spade | CIN | -0.72 | 190809190_CIN_ATL |
Based on accumulated WAA for this season up to 1908-09-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.58 | Christy Mathewson | 330 | SFN |
| +002+ | 10.62 | George McQuillan | 332.7 | PHI |
| +005+ | 8.89 | Mordecai Brown | 260 | CHN |
| +006+ | 8.88 | Ed Walsh | 396 | CHA |
| +007+ | 8.86 | Cy Young | 279 | BOS |
| +008+ | 7.63 | Addie Joss | 295.3 | CLE |
| +011+ | 6.29 | Hooks Wiltse | 297.3 | SFN |
| +013+ | 4.77 | Vic Willis | 267.7 | PIT |
| +014+ | 4.68 | Jack Powell | 232 | BAL |
| +017+ | 3.64 | Kaiser Wilhelm | 294.3 | LAN |
| +019+ | 3.6 | Harry Howell | 290.7 | BAL |
| +023+ | 3.4 | Ed Reulbach | 265 | CHN |
| +025+ | 3.32 | Walter Johnson | 202.3 | MIN |
| +028+ | 3.24 | Nap Rucker | 289.3 | LAN |
| +030+ | 3.11 | Andy Coakley | 251.7 | TOT |
| +032+ | 3.07 | Eddie Plank | 209.3 | OAK |
| +034+ | 3.01 | Bob Rhoads | 244 | CLE |
| +038+ | 2.92 | Heinie Berger | 180.7 | CLE |
| +042+ | 2.74 | Frank Corridon | 180.3 | PHI |
| +045+ | 2.65 | Doc White | 279.7 | CHA |
| +053+ | 2.3 | Bugs Raymond | 290.3 | SLN |
| +055+ | 2.19 | Bob Ewing | 247.7 | CIN |
| +056+ | 2.14 | Charlie Chech | 146.3 | CLE |
| +058+ | 2.01 | Sam Leever | 186.7 | PIT |
| +059+ | 1.95 | Bill Donovan | 200.7 | DET |
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