| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 9.64 | 190805130_CHA_OAK |
| Vic Willis | PIT | 4.52 | 190805150_PHI_PIT |
| Christy Mathewson | SFN | 2.3 | 190805130_SFN_PIT |
| Rube Waddell | BAL | 0.96 | 190805140_BAL_MIN |
| Cy Young | BOS | 0.61 | 190805150_DET_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | -2.56 | 190805130_DET_BOS |
| Tom Hughes | MIN | -2.55 | 190805140_BAL_MIN |
| George Bell | LAN | -1.69 | 190805140_LAN_SLN |
| Frank Smith | CHA | -0.56 | 190805140_CHA_OAK |
| Jake Weimer | CIN | -0.55 | 190805130_ATL_CIN |
Based on accumulated WAA for this season up to 1908-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.58 | Addie Joss | 65 | CLE |
| +003+ | 2.19 | Howie Camnitz | 52 | PIT |
| +004+ | 2.16 | Christy Mathewson | 62.3 | SFN |
| +005+ | 2.06 | Rube Vickers | 59.3 | OAK |
| +006+ | 2 | George McQuillan | 72 | PHI |
| +007+ | 2 | Cy Young | 62 | BOS |
| +008+ | 1.99 | Gus Dorner | 49.3 | ATL |
| +009+ | 1.97 | Ed Walsh | 54 | CHA |
| +011+ | 1.72 | Hooks Wiltse | 48.7 | SFN |
| +012+ | 1.68 | Tom Hughes | 42 | MIN |
| +013+ | 1.61 | Chick Fraser | 44.7 | CHN |
| XXXXX | 1.22 | Fred Beebe | 44 | SLN |
| XXXXX | 1.15 | Kaiser Wilhelm | 55 | LAN |
| XXXXX | 1.11 | Bugs Raymond | 61 | SLN |
| XXXXX | 1.1 | Rube Manning | 33.7 | NYA |
| XXXXX | 1.06 | Lefty Leifield | 40.3 | PIT |
| XXXXX | 1.01 | Jack Pfiester | 23.7 | CHN |
| XXXXX | 1 | Frank Smith | 57.7 | CHA |
| XXXXX | 0.96 | Bob Ewing | 46.7 | CIN |
| XXXXX | 0.94 | Jack Chesbro | 48 | NYA |
| XXXXX | 0.68 | Harry Howell | 53.7 | BAL |
| XXXXX | 0.66 | Bill Burns | 45 | MIN |
| XXXXX | 0.65 | Mordecai Brown | 19 | CHN |
| XXXXX | 0.65 | Vive Lindaman | 45.7 | ATL |
| XXXXX | 0.61 | Johnny Lush | 39 | SLN |
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