| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 13.66 | 190806130_NYA_CHA |
| Mordecai Brown | CHN | 7.87 | 190806130_CHN_PHI |
| George McQuillan | PHI | 4.72 | 190806130_CHN_PHI |
| Rube Waddell | BAL | 2.25 | 190806120_MIN_BAL |
| Addie Joss | CLE | 1.23 | 190806120_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -3.77 | 190806140_NYA_CHA |
| Charlie Smith | MIN | -2.95 | 190806120_MIN_BAL |
| George Winter | BOS | -2.35 | 190806120_BOS_CLE |
| Ed Summers | DET | -1.46 | 190806130_OAK_DET |
| Glenn Liebhardt | CLE | -1.11 | 190806130_MIN_CLE |
Based on accumulated WAA for this season up to 1908-06-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.44 | George McQuillan | 135 | PHI |
| +002+ | 5.11 | Ed Walsh | 122.3 | CHA |
| +003+ | 3.62 | Andy Coakley | 99.7 | CIN |
| +004+ | 3.59 | Addie Joss | 126 | CLE |
| +006+ | 3.27 | Cy Young | 118 | BOS |
| +007+ | 3.07 | Tom Hughes | 98.3 | MIN |
| +008+ | 2.87 | Bugs Raymond | 118 | SLN |
| +009+ | 2.75 | Mordecai Brown | 85.7 | CHN |
| +012+ | 2.54 | Bob Ewing | 102 | CIN |
| +014+ | 2.21 | Hooks Wiltse | 102 | SFN |
| +016+ | 2.02 | Jack Powell | 75.3 | BAL |
| +017+ | 2.01 | Charlie Chech | 64.3 | CLE |
| +020+ | 1.69 | Howie Camnitz | 114.7 | PIT |
| +021+ | 1.65 | Eddie Plank | 67 | OAK |
| +024+ | 1.56 | Vive Lindaman | 94.7 | ATL |
| +026+ | 1.43 | Jack Pfiester | 76.7 | CHN |
| +027+ | 1.41 | Biff Schlitzer | 53.7 | OAK |
| +028+ | 1.37 | Harry McIntire | 111 | LAN |
| +030+ | 1.31 | Doc White | 86 | CHA |
| XXXXX | 1.22 | Billy Campbell | 98.7 | CIN |
| XXXXX | 1.22 | Cecil Ferguson | 71.7 | ATL |
| XXXXX | 1.22 | Kaiser Wilhelm | 106.7 | LAN |
| XXXXX | 1.17 | Rube Waddell | 91 | BAL |
| XXXXX | 1.13 | Christy Mathewson | 109.3 | SFN |
| XXXXX | 1.01 | Cy Morgan | 85 | BOS |
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