| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Walsh | CHA | 13.91 | 190806200_BOS_CHA |
| Jack Pfiester | CHN | 5.45 | 190806190_CHN_SFN |
| Lefty Leifield | PIT | 1.59 | 190806202_PIT_LAN |
| Andy Coakley | CIN | 1.58 | 190806201_CIN_PHI |
| Cy Young | BOS | 1.04 | 190806200_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Irv Young | PIT | -3.11 | 190806201_PIT_LAN |
| George Winter | BOS | -2.02 | 190806190_BOS_CHA |
| Bill Dinneen | BAL | -1.81 | 190806190_NYA_BAL |
| Ed Killian | DET | -0.88 | 190806200_MIN_DET |
| Rube Manning | NYA | -0.81 | 190806200_NYA_BAL |
Based on accumulated WAA for this season up to 1908-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.27 | Ed Walsh | 141.7 | CHA |
| +002+ | 6.21 | George McQuillan | 147 | PHI |
| +003+ | 4.65 | Andy Coakley | 116.7 | CIN |
| +004+ | 4.22 | Addie Joss | 135 | CLE |
| +005+ | 3.83 | Cy Young | 126 | BOS |
| +008+ | 3.45 | Tom Hughes | 112.7 | MIN |
| +009+ | 2.95 | Bob Ewing | 119 | CIN |
| +011+ | 2.84 | Mordecai Brown | 85.7 | CHN |
| +012+ | 2.82 | Jack Powell | 90.3 | BAL |
| +014+ | 2.4 | Christy Mathewson | 127.3 | SFN |
| +015+ | 2.39 | Bugs Raymond | 118.7 | SLN |
| +016+ | 2.28 | Kaiser Wilhelm | 124.7 | LAN |
| +017+ | 2.11 | Billy Campbell | 108.7 | CIN |
| +019+ | 1.75 | Lefty Leifield | 65.7 | PIT |
| +024+ | 1.63 | Hooks Wiltse | 105 | SFN |
| +025+ | 1.62 | Heinie Berger | 68 | CLE |
| +026+ | 1.53 | Rube Vickers | 122.3 | OAK |
| +028+ | 1.38 | Frank Corridon | 27 | PHI |
| +030+ | 1.34 | Doc White | 101.7 | CHA |
| XXXXX | 1.22 | Eddie Plank | 69.3 | OAK |
| XXXXX | 1.19 | Howie Camnitz | 123.7 | PIT |
| XXXXX | 1.13 | Bob Rhoads | 80.3 | CLE |
| XXXXX | 1.09 | Nap Rucker | 112.7 | LAN |
| XXXXX | 1.08 | Bill Donovan | 41.7 | DET |
| XXXXX | 1.07 | Doc Crandall | 72.3 | SFN |
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