| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 12.27 | 190806260_CHA_CLE |
| Mordecai Brown | CHN | 6.79 | 190806250_CIN_CHN |
| Addie Joss | CLE | 1.65 | 190806240_CHA_CLE |
| Cy Young | BOS | 1.35 | 190806250_MIN_BOS |
| Hooks Wiltse | SFN | 1.3 | 190806241_ATL_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -5.54 | 190806252_NYA_OAK |
| George Mullin | DET | -3.24 | 190806240_BAL_DET |
| George Winter | BOS | -2.47 | 190806240_MIN_BOS |
| Charlie Smith | MIN | -1.83 | 190806240_MIN_BOS |
| Art Fromme | SLN | -1.71 | 190806240_SLN_CHN |
Based on accumulated WAA for this season up to 1908-06-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.82 | George McQuillan | 156.7 | PHI |
| +002+ | 5.55 | Ed Walsh | 154 | CHA |
| +004+ | 4.74 | Addie Joss | 146 | CLE |
| +005+ | 4.6 | Cy Young | 139 | BOS |
| +008+ | 3.59 | Mordecai Brown | 94.7 | CHN |
| +009+ | 3.48 | Jack Powell | 100.7 | BAL |
| +011+ | 3.06 | Bob Ewing | 119 | CIN |
| +012+ | 2.92 | Hooks Wiltse | 123 | SFN |
| +013+ | 2.83 | Christy Mathewson | 137.3 | SFN |
| +016+ | 2.51 | Bugs Raymond | 132.7 | SLN |
| +017+ | 2.41 | Kaiser Wilhelm | 133.7 | LAN |
| +018+ | 2.11 | Eddie Plank | 81.3 | OAK |
| +020+ | 1.92 | Nap Rucker | 122.7 | LAN |
| +021+ | 1.92 | Frank Corridon | 36 | PHI |
| +027+ | 1.66 | Billy Campbell | 117.3 | CIN |
| +028+ | 1.62 | Bill Donovan | 50.7 | DET |
| +029+ | 1.59 | Sam Leever | 99.7 | PIT |
| +030+ | 1.58 | Heinie Berger | 75 | CLE |
| +031+ | 1.45 | Rube Vickers | 136 | OAK |
| +034+ | 1.38 | Howie Camnitz | 130.7 | PIT |
| +037+ | 1.3 | Lefty Leifield | 67.7 | PIT |
| +039+ | 1.27 | Doc White | 109.7 | CHA |
| XXXXX | 1.13 | Jack Pfiester | 92.7 | CHN |
| XXXXX | 1.09 | Ed Willett | 67.3 | DET |
| XXXXX | 1.07 | Bill Foxen | 20.7 | PHI |
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