| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 10.61 | 190805092_BAL_CHA |
| Jack Pfiester | CHN | 8.82 | 190805102_PIT_CHN |
| Lefty Leifield | PIT | 3.86 | 190805101_PIT_CHN |
| Christy Mathewson | SFN | 2.57 | 190805090_ATL_SFN |
| Rube Waddell | BAL | 2.14 | 190805092_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | -2.75 | 190805092_DET_CLE |
| Lew Moren | PHI | -2.45 | 190805090_LAN_PHI |
| Frank Smith | CHA | -1.25 | 190805102_CLE_CHA |
| Fred Beebe | SLN | -0.74 | 190805090_CIN_SLN |
| Doc Newton | NYA | -0.59 | 190805110_NYA_BOS |
Based on accumulated WAA for this season up to 1908-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.79 | Christy Mathewson | 57.3 | SFN |
| +002+ | 2.54 | Cy Young | 53 | BOS |
| +004+ | 1.95 | Chick Fraser | 35.7 | CHN |
| +005+ | 1.82 | Addie Joss | 56 | CLE |
| +006+ | 1.69 | Howie Camnitz | 43 | PIT |
| +008+ | 1.43 | Ed Walsh | 45 | CHA |
| +009+ | 1.43 | Kaiser Wilhelm | 46 | LAN |
| +010+ | 1.41 | Hooks Wiltse | 39.7 | SFN |
| +011+ | 1.41 | Vic Willis | 18 | PIT |
| +012+ | 1.35 | Rube Vickers | 50.3 | OAK |
| XXXXX | 1.23 | Gus Dorner | 40.3 | ATL |
| XXXXX | 1.22 | Frank Owen | 34.3 | CHA |
| XXXXX | 1.18 | Vive Lindaman | 39.7 | ATL |
| XXXXX | 1.15 | Billy Campbell | 41 | CIN |
| XXXXX | 1.06 | Lefty Leifield | 40.3 | PIT |
| XXXXX | 1.04 | Bugs Raymond | 52 | SLN |
| XXXXX | 1.01 | Jack Pfiester | 23.7 | CHN |
| XXXXX | 0.98 | George McQuillan | 54 | PHI |
| XXXXX | 0.97 | Tom Hughes | 33 | MIN |
| XXXXX | 0.93 | Fred Beebe | 35 | SLN |
| XXXXX | 0.82 | Rube Manning | 24.7 | NYA |
| XXXXX | 0.65 | Mordecai Brown | 19 | CHN |
| XXXXX | 0.65 | Harry Howell | 53.7 | BAL |
| XXXXX | 0.64 | Eddie Cicotte | 13.3 | BOS |
| XXXXX | 0.53 | Frank Smith | 49.7 | CHA |
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