| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 10.98 | 190805180_CHA_MIN |
| Mordecai Brown | CHN | 8.85 | 190805170_LAN_CHN |
| Hooks Wiltse | SFN | 2.13 | 190805170_SFN_CIN |
| Howie Camnitz | PIT | 1.23 | 190805180_PHI_PIT |
| Rube Waddell | BAL | 0.78 | 190805190_BAL_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Charlie Smith | MIN | -3.01 | 190805190_CHA_MIN |
| George Mullin | DET | -2.25 | 190805180_DET_NYA |
| Glenn Liebhardt | CLE | -1.8 | 190805180_CLE_BOS |
| Bob Spade | CIN | -1.24 | 190805180_SFN_CIN |
| Cy Morgan | BOS | -1.11 | 190805180_CLE_BOS |
Based on accumulated WAA for this season up to 1908-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.17 | Addie Joss | 74 | CLE |
| +002+ | 2.95 | Howie Camnitz | 61 | PIT |
| +004+ | 2.23 | Tom Hughes | 51 | MIN |
| +006+ | 2.08 | Gus Dorner | 49.3 | ATL |
| +007+ | 2.08 | George McQuillan | 72 | PHI |
| +008+ | 1.65 | Chick Fraser | 44.7 | CHN |
| +009+ | 1.62 | Rube Manning | 42.7 | NYA |
| +010+ | 1.57 | Rube Vickers | 63.3 | OAK |
| +011+ | 1.56 | Ed Walsh | 56 | CHA |
| +015+ | 1.47 | Jimmy Dygert | 56.7 | OAK |
| +014+ | 1.47 | Cy Young | 68 | BOS |
| +016+ | 1.38 | Mordecai Brown | 28 | CHN |
| +017+ | 1.29 | Harry Howell | 63.3 | BAL |
| XXXXX | 1.2 | Bugs Raymond | 61 | SLN |
| XXXXX | 1.18 | Lefty Leifield | 41.3 | PIT |
| XXXXX | 1.15 | Cy Morgan | 43 | BOS |
| XXXXX | 1.07 | Kaiser Wilhelm | 63.3 | LAN |
| XXXXX | 1.01 | Vive Lindaman | 51.7 | ATL |
| XXXXX | 1.01 | Jack Pfiester | 28.7 | CHN |
| XXXXX | 1 | Bob Ewing | 46.7 | CIN |
| XXXXX | 0.99 | Hooks Wiltse | 56.7 | SFN |
| XXXXX | 0.99 | Ed Karger | 25 | SLN |
| XXXXX | 0.92 | Andy Coakley | 45.7 | CIN |
| XXXXX | 0.86 | Heinie Berger | 16 | CLE |
| XXXXX | 0.75 | Doc White | 59 | CHA |
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