| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 13.29 | 190806090_OAK_CHA |
| Mordecai Brown | CHN | 8.89 | 190806080_CHN_ATL |
| George McQuillan | PHI | 3.83 | 190806090_SLN_PHI |
| Howie Camnitz | PIT | 1.95 | 190806090_PIT_SFN |
| Eddie Plank | OAK | 1.77 | 190806100_OAK_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | -3.97 | 190806100_NYA_DET |
| George Winter | BOS | -1.65 | 190806090_BOS_CLE |
| Tully Sparks | PHI | -1.29 | 190806100_SLN_PHI |
| Doc Newton | NYA | -1.18 | 190806100_NYA_DET |
| Bill Bailey | BAL | -0.74 | 190806100_MIN_BAL |
Based on accumulated WAA for this season up to 1908-06-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.02 | George McQuillan | 126 | PHI |
| +002+ | 4.62 | Ed Walsh | 112.7 | CHA |
| +003+ | 3.42 | Cy Young | 109 | BOS |
| +004+ | 3.37 | Addie Joss | 117 | CLE |
| +006+ | 3.21 | Andy Coakley | 91.7 | CIN |
| +007+ | 2.62 | Bugs Raymond | 109 | SLN |
| +008+ | 2.57 | Tom Hughes | 89.3 | MIN |
| +009+ | 2.45 | Bob Ewing | 92.7 | CIN |
| +010+ | 2.43 | Jack Powell | 72 | BAL |
| +011+ | 2.31 | Hooks Wiltse | 102 | SFN |
| +015+ | 2.15 | Howie Camnitz | 106.7 | PIT |
| +016+ | 2.12 | Mordecai Brown | 76.7 | CHN |
| +019+ | 1.66 | Eddie Plank | 67 | OAK |
| +020+ | 1.66 | Billy Campbell | 90.7 | CIN |
| +022+ | 1.61 | Vive Lindaman | 94.7 | ATL |
| +023+ | 1.6 | Harry McIntire | 102 | LAN |
| +024+ | 1.55 | Christy Mathewson | 100.3 | SFN |
| +027+ | 1.49 | Jack Pfiester | 76.7 | CHN |
| +026+ | 1.49 | Biff Schlitzer | 52 | OAK |
| +032+ | 1.35 | Doc White | 85.7 | CHA |
| +033+ | 1.34 | Rube Waddell | 82 | BAL |
| +037+ | 1.31 | Rube Vickers | 96.3 | OAK |
| XXXXX | 1.16 | Ed Karger | 45 | SLN |
| XXXXX | 1.15 | Cy Morgan | 76 | BOS |
| XXXXX | 1.04 | Heinie Berger | 57 | CLE |
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