| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PHI | 5.77 | 190807081_PHI_PIT |
| Cy Young | BOS | 2.81 | 190807090_CLE_BOS |
| Andy Coakley | CIN | 2.31 | 190807090_SFN_CIN |
| Christy Mathewson | SFN | 1.89 | 190807090_SFN_CIN |
| Jack Powell | BAL | 1.76 | 190807090_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -7.34 | 190807072_DET_NYA |
| George Mullin | DET | -4.14 | 190807080_DET_NYA |
| Bob Spade | CIN | -1.46 | 190807070_SFN_CIN |
| Lew Moren | PHI | -0.96 | 190807090_PHI_PIT |
| Doc Crandall | SFN | -0.83 | 190807070_SFN_CIN |
Based on accumulated WAA for this season up to 1908-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.37 | George McQuillan | 188.3 | PHI |
| +002+ | 5.4 | Andy Coakley | 151.7 | CIN |
| +004+ | 5.34 | Mordecai Brown | 117.3 | CHN |
| +005+ | 5.11 | Cy Young | 162 | BOS |
| +006+ | 4.74 | Jack Powell | 131.7 | BAL |
| +007+ | 4.53 | Christy Mathewson | 174.3 | SFN |
| +009+ | 4.37 | Addie Joss | 166.3 | CLE |
| +011+ | 3.84 | Ed Walsh | 176.3 | CHA |
| +012+ | 3.44 | Bob Ewing | 128 | CIN |
| +013+ | 3.16 | Nap Rucker | 159.3 | LAN |
| +014+ | 3.12 | Hooks Wiltse | 142 | SFN |
| +016+ | 3.04 | Bill Donovan | 77.7 | DET |
| +018+ | 2.91 | Bugs Raymond | 155.3 | SLN |
| +019+ | 2.83 | Eddie Plank | 105.7 | OAK |
| +022+ | 2.2 | Rube Vickers | 165.7 | OAK |
| +023+ | 2.15 | Doc White | 145.7 | CHA |
| +027+ | 1.87 | Ed Willett | 86.3 | DET |
| +030+ | 1.79 | Bob Rhoads | 121.3 | CLE |
| +035+ | 1.67 | Jake Weimer | 116.7 | CIN |
| +036+ | 1.61 | Lefty Leifield | 78.7 | PIT |
| +037+ | 1.59 | Harry Howell | 160.3 | BAL |
| +043+ | 1.51 | Howie Camnitz | 146.7 | PIT |
| +044+ | 1.49 | Kaiser Wilhelm | 154.3 | LAN |
| +046+ | 1.37 | Bill Dinneen | 69 | BAL |
| +048+ | 1.29 | Vic Willis | 118.3 | PIT |
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