| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 13.93 | 190806160_NYA_CHA |
| Jack Pfiester | CHN | 5.69 | 190806160_CHN_PHI |
| George McQuillan | PHI | 5.53 | 190806180_CIN_PHI |
| Hooks Wiltse | SFN | 1.53 | 190806180_CHN_SFN |
| Eddie Plank | OAK | 1.52 | 190806160_OAK_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Art Fromme | SLN | -1.2 | 190806170_SLN_LAN |
| Casey Patten | BOS | -1.03 | 190806180_BOS_CHA |
| Rube Manning | NYA | -0.95 | 190806170_NYA_CHA |
| Burt Keeley | MIN | -0.87 | 190806160_MIN_CLE |
| Ed Siever | DET | -0.86 | 190806180_MIN_DET |
Based on accumulated WAA for this season up to 1908-06-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.21 | George McQuillan | 146 | PHI |
| +002+ | 5.57 | Ed Walsh | 132.3 | CHA |
| +003+ | 4.26 | Addie Joss | 135 | CLE |
| +004+ | 3.95 | Andy Coakley | 107.7 | CIN |
| +006+ | 3.64 | Tom Hughes | 104.7 | MIN |
| +008+ | 3.38 | Cy Young | 118 | BOS |
| +009+ | 3.38 | Bob Ewing | 111 | CIN |
| +010+ | 2.83 | Mordecai Brown | 85.7 | CHN |
| +011+ | 2.79 | Jack Powell | 84.3 | BAL |
| +014+ | 2.42 | Bugs Raymond | 118.7 | SLN |
| +016+ | 2.02 | Kaiser Wilhelm | 115.7 | LAN |
| +018+ | 1.72 | Christy Mathewson | 118.3 | SFN |
| +019+ | 1.71 | Jack Pfiester | 84.7 | CHN |
| +020+ | 1.68 | Hooks Wiltse | 105 | SFN |
| +022+ | 1.65 | Heinie Berger | 68 | CLE |
| +024+ | 1.52 | Lefty Leifield | 57.7 | PIT |
| +025+ | 1.47 | Rube Vickers | 121.3 | OAK |
| +027+ | 1.44 | Vive Lindaman | 105.7 | ATL |
| +031+ | 1.38 | Doc White | 101.7 | CHA |
| +033+ | 1.32 | Billy Campbell | 98.7 | CIN |
| XXXXX | 1.23 | Eddie Plank | 69.3 | OAK |
| XXXXX | 1.22 | Jack Chesbro | 95.7 | NYA |
| XXXXX | 1.2 | Howie Camnitz | 123.7 | PIT |
| XXXXX | 1.16 | Bob Rhoads | 80.3 | CLE |
| XXXXX | 1.13 | Ed Karger | 52 | SLN |
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