| 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 |
|---|---|---|---|
| Charlie Smith | MIN | -2.95 | 190806120_MIN_BAL |
| George Winter | BOS | -2.35 | 190806120_BOS_CLE |
| Ed Summers | DET | -1.46 | 190806130_OAK_DET |
| Art Fromme | SLN | -1.4 | 190806110_SLN_PHI |
| Glenn Liebhardt | CLE | -1.11 | 190806130_MIN_CLE |
Based on accumulated WAA for this season up to 1908-06-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.4 | George McQuillan | 135 | PHI |
| +002+ | 5.02 | Ed Walsh | 121.7 | CHA |
| +003+ | 3.58 | Andy Coakley | 99.7 | CIN |
| +004+ | 3.55 | Addie Joss | 126 | CLE |
| +006+ | 3.35 | Cy Young | 109 | BOS |
| +007+ | 3.04 | Tom Hughes | 98.3 | MIN |
| +008+ | 2.83 | Bugs Raymond | 118 | SLN |
| +009+ | 2.72 | Mordecai Brown | 85.7 | CHN |
| +011+ | 2.51 | Bob Ewing | 102 | CIN |
| +014+ | 2.18 | Hooks Wiltse | 102 | SFN |
| +016+ | 1.99 | Charlie Chech | 64.3 | CLE |
| +015+ | 1.99 | Jack Powell | 75.3 | BAL |
| +020+ | 1.65 | Howie Camnitz | 114.7 | PIT |
| +021+ | 1.63 | Eddie Plank | 67 | OAK |
| +023+ | 1.53 | Vive Lindaman | 94.7 | ATL |
| +026+ | 1.41 | Jack Pfiester | 76.7 | CHN |
| +028+ | 1.33 | Harry McIntire | 111 | LAN |
| +031+ | 1.29 | Biff Schlitzer | 52.3 | OAK |
| +033+ | 1.26 | Doc White | 85.7 | CHA |
| XXXXX | 1.2 | Cecil Ferguson | 71.7 | ATL |
| XXXXX | 1.19 | Kaiser Wilhelm | 106.7 | LAN |
| XXXXX | 1.19 | Billy Campbell | 98.7 | CIN |
| XXXXX | 1.14 | Rube Waddell | 91 | BAL |
| XXXXX | 1.1 | Christy Mathewson | 109.3 | SFN |
| XXXXX | 0.99 | Cy Morgan | 85 | BOS |
_