| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 13.63 | 190805311_DET_CHA |
| Jack Pfiester | CHN | 8.02 | 190805311_PIT_CHN |
| Vic Willis | PIT | 3.14 | 190805290_CIN_PIT |
| Addie Joss | CLE | 2.02 | 190805302_BAL_CLE |
| George McQuillan | PHI | 1.91 | 190805290_ATL_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -4.15 | 190805292_OAK_NYA |
| Joe McGinnity | SFN | -1.54 | 190805300_SFN_LAN |
| Burt Keeley | MIN | -1.53 | 190805292_MIN_BOS |
| Ed Willett | DET | -0.88 | 190805311_DET_CHA |
| Fred Burchell | BOS | -0.65 | 190805292_MIN_BOS |
Based on accumulated WAA for this season up to 1908-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.58 | George McQuillan | 100 | PHI |
| +002+ | 3.28 | Ed Walsh | 92 | CHA |
| +003+ | 3.19 | Addie Joss | 98 | CLE |
| +006+ | 2.65 | Tom Hughes | 72 | MIN |
| +007+ | 2.57 | Bugs Raymond | 95.3 | SLN |
| +008+ | 2.47 | Cy Young | 86 | BOS |
| +009+ | 2.33 | Andy Coakley | 71.7 | CIN |
| +012+ | 1.94 | Hooks Wiltse | 76 | SFN |
| +014+ | 1.8 | Harry McIntire | 75 | LAN |
| +016+ | 1.56 | Rube Vickers | 86.3 | OAK |
| +017+ | 1.52 | Bob Ewing | 74.7 | CIN |
| +019+ | 1.48 | Charlie Chech | 39.7 | CLE |
| XXXXX | 1.22 | Heinie Berger | 41.7 | CLE |
| XXXXX | 1.16 | Chick Fraser | 73.7 | CHN |
| XXXXX | 1.13 | Jack Powell | 54 | BAL |
| XXXXX | 1.13 | Lefty Leifield | 48.7 | PIT |
| XXXXX | 1.11 | Ed Summers | 60 | DET |
| XXXXX | 1.05 | Bill Burns | 73 | MIN |
| XXXXX | 1.01 | Cy Falkenberg | 36 | MIN |
| XXXXX | 0.95 | Biff Schlitzer | 44 | OAK |
| XXXXX | 0.94 | Billy Campbell | 72.7 | CIN |
| XXXXX | 0.89 | Cy Morgan | 61 | BOS |
| XXXXX | 0.77 | Ed Karger | 36 | SLN |
| XXXXX | 0.68 | Gus Dorner | 65 | ATL |
| XXXXX | 0.56 | Cecil Ferguson | 50.7 | ATL |
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