| 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 |
| Sam Leever | PIT | 1.13 | 190806150_PIT_ATL |
| Cy Young | BOS | 1.08 | 190806140_BOS_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -3.77 | 190806140_NYA_CHA |
| Charlie Smith | MIN | -2.51 | 190806150_MIN_CLE |
| Fred Burchell | BOS | -1.6 | 190806130_BOS_BAL |
| 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 1908-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.43 | George McQuillan | 135 | PHI |
| +002+ | 5.09 | Ed Walsh | 122.3 | CHA |
| +003+ | 3.61 | Andy Coakley | 99.7 | CIN |
| +004+ | 3.53 | Addie Joss | 126 | CLE |
| +005+ | 3.28 | Cy Young | 118 | BOS |
| +008+ | 3.04 | Tom Hughes | 98.3 | MIN |
| +009+ | 2.86 | Bugs Raymond | 118 | SLN |
| +010+ | 2.74 | Mordecai Brown | 85.7 | CHN |
| +011+ | 2.73 | Jack Powell | 84.3 | BAL |
| +012+ | 2.53 | Bob Ewing | 102 | CIN |
| +015+ | 2.2 | Hooks Wiltse | 102 | SFN |
| +017+ | 1.98 | Charlie Chech | 64.3 | CLE |
| +018+ | 1.82 | Doc White | 95 | CHA |
| +021+ | 1.65 | Howie Camnitz | 114.7 | PIT |
| +023+ | 1.64 | Heinie Berger | 68 | CLE |
| +022+ | 1.64 | Eddie Plank | 67 | OAK |
| +027+ | 1.42 | Jack Pfiester | 76.7 | CHN |
| +028+ | 1.4 | Biff Schlitzer | 53.7 | OAK |
| +029+ | 1.36 | Harry McIntire | 111 | LAN |
| +034+ | 1.27 | Vive Lindaman | 104.7 | ATL |
| XXXXX | 1.21 | Kaiser Wilhelm | 106.7 | LAN |
| XXXXX | 1.21 | Billy Campbell | 98.7 | CIN |
| XXXXX | 1.2 | Cecil Ferguson | 71.7 | ATL |
| XXXXX | 1.16 | Rube Waddell | 91 | BAL |
| XXXXX | 1.12 | Christy Mathewson | 109.3 | SFN |
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