| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Pfiester | CHN | 3.14 | 190806282_CIN_CHN |
| Cy Young | BOS | 2.34 | 190806300_BOS_NYA |
| Addie Joss | CLE | 2.33 | 190806280_CLE_BAL |
| Jack Powell | BAL | 1.3 | 190806300_CLE_BAL |
| Doc White | CHA | 1.29 | 190806300_DET_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| George Mullin | DET | -5.25 | 190806300_DET_CHA |
| George Winter | BOS | -3.75 | 190806290_BOS_NYA |
| Bob Spade | CIN | -2.28 | 190806300_CHN_CIN |
| Rube Manning | NYA | -2.22 | 190806300_BOS_NYA |
| Fred Beebe | SLN | -1.4 | 190806281_PIT_SLN |
Based on accumulated WAA for this season up to 1908-06-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.63 | George McQuillan | 164.7 | PHI |
| +002+ | 5.29 | Andy Coakley | 125.7 | CIN |
| +003+ | 5.28 | Cy Young | 148 | BOS |
| +004+ | 4.46 | Ed Walsh | 161.3 | CHA |
| +006+ | 4.09 | Addie Joss | 151 | CLE |
| +008+ | 3.7 | Jack Powell | 108.7 | BAL |
| +010+ | 3.22 | Christy Mathewson | 147.3 | SFN |
| +012+ | 2.93 | Hooks Wiltse | 131 | SFN |
| +014+ | 2.78 | Tom Hughes | 117.7 | MIN |
| +015+ | 2.66 | Eddie Plank | 88.3 | OAK |
| +018+ | 2.35 | Bill Donovan | 59.7 | DET |
| +019+ | 2.15 | Rube Vickers | 145 | OAK |
| +021+ | 2.09 | Sam Leever | 108.7 | PIT |
| +022+ | 2.06 | Kaiser Wilhelm | 142.7 | LAN |
| +023+ | 1.99 | Bugs Raymond | 134.3 | SLN |
| +024+ | 1.92 | Frank Corridon | 36 | PHI |
| +025+ | 1.88 | Howie Camnitz | 139.7 | PIT |
| +026+ | 1.86 | Jack Pfiester | 101.7 | CHN |
| +029+ | 1.79 | Nap Rucker | 131.7 | LAN |
| +031+ | 1.69 | Billy Campbell | 125.3 | CIN |
| +033+ | 1.65 | Heinie Berger | 81 | CLE |
| +034+ | 1.62 | Doc White | 121.7 | CHA |
| +041+ | 1.29 | Lefty Leifield | 67.7 | PIT |
| XXXXX | 1.21 | Bill Grahame | 77.7 | BAL |
| XXXXX | 1.09 | Ed Willett | 67.3 | DET |
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