| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 14.9 | 190806230_CHA_DET |
| George McQuillan | PHI | 6.09 | 190806220_PHI_LAN |
| Lefty Leifield | PIT | 1.62 | 190806232_CIN_PIT |
| Bob Ewing | CIN | 1.02 | 190806210_PIT_CIN |
| Hooks Wiltse | SFN | 0.89 | 190806220_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Spade | CIN | -1.5 | 190806232_CIN_PIT |
| Bill Dinneen | BAL | -0.96 | 190806230_BAL_CLE |
| Gus Dorner | ATL | -0.9 | 190806231_ATL_SFN |
| Lew Moren | PHI | -0.87 | 190806230_PHI_LAN |
| Ed Summers | DET | -0.65 | 190806210_MIN_DET |
Based on accumulated WAA for this season up to 1908-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.79 | George McQuillan | 156.7 | PHI |
| +002+ | 5.71 | Ed Walsh | 147 | CHA |
| +003+ | 4.67 | Andy Coakley | 116.7 | CIN |
| +004+ | 3.97 | Addie Joss | 137 | CLE |
| +005+ | 3.8 | Cy Young | 126 | BOS |
| +008+ | 3.43 | Tom Hughes | 112.7 | MIN |
| +009+ | 3.14 | Bugs Raymond | 127.7 | SLN |
| +010+ | 2.97 | Bob Ewing | 119 | CIN |
| +011+ | 2.94 | Jack Powell | 91.7 | BAL |
| +013+ | 2.87 | Mordecai Brown | 85.7 | CHN |
| +015+ | 2.27 | Kaiser Wilhelm | 124.7 | LAN |
| +016+ | 2.23 | Christy Mathewson | 130.3 | SFN |
| +017+ | 2.16 | Hooks Wiltse | 114 | SFN |
| +018+ | 2.15 | Billy Campbell | 116.7 | CIN |
| +020+ | 1.9 | Nap Rucker | 122.7 | LAN |
| +024+ | 1.61 | Bill Donovan | 50.7 | DET |
| +026+ | 1.57 | Sam Leever | 99.7 | PIT |
| +027+ | 1.56 | Heinie Berger | 75 | CLE |
| +030+ | 1.47 | Eddie Plank | 72.3 | OAK |
| +032+ | 1.38 | Frank Corridon | 27 | PHI |
| +037+ | 1.28 | Lefty Leifield | 67.7 | PIT |
| XXXXX | 1.19 | Doc White | 109.7 | CHA |
| XXXXX | 1.18 | Ed Willett | 58.3 | DET |
| XXXXX | 1.15 | Rube Vickers | 125.3 | OAK |
| XXXXX | 1.1 | Jack Pfiester | 92.7 | CHN |
_