| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -6.35 | 191808110_OAK_MIN |
| Jack Coombs | LAN | -4.48 | 191808102_PHI_LAN |
| Gene Packard | SLN | -2.53 | 191808112_SLN_CIN |
| Rudy Kallio | DET | -1.96 | 191808112_DET_BAL |
| Pete Schneider | CIN | -1.85 | 191808120_CIN_SLN |
Based on accumulated WAA for this season up to 1918-08-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.23 | Walter Johnson | 277 | MIN |
| +002+ | 5.98 | Hippo Vaughn | 249.3 | CHN |
| +003+ | 5.71 | Stan Coveleski | 272.3 | CLE |
| +007+ | 4.44 | Burleigh Grimes | 222 | LAN |
| +008+ | 3.84 | Scott Perry | 275.7 | OAK |
| +010+ | 3.52 | Allen Sothoron | 193 | BAL |
| +011+ | 3.49 | Harry Harper | 203.3 | MIN |
| +015+ | 3.31 | Carl Mays | 248.3 | BOS |
| +019+ | 3.1 | Red Ames | 175 | SLN |
| +025+ | 2.73 | Bullet Joe Bush | 239.7 | BOS |
| +026+ | 2.69 | Eddie Cicotte | 234 | CHA |
| +032+ | 2.39 | Lefty Tyler | 219.3 | CHN |
| +033+ | 2.38 | Wilbur Cooper | 227 | PIT |
| +038+ | 2.23 | Rube Marquard | 204.3 | LAN |
| +039+ | 2.17 | Phil Douglas | 126.7 | CHN |
| +042+ | 2.14 | Babe Ruth | 133 | BOS |
| +043+ | 2.14 | Red Causey | 118.7 | SFN |
| +047+ | 1.88 | Dick Rudolph | 125.7 | ATL |
| +052+ | 1.77 | Hod Eller | 163 | CIN |
| +055+ | 1.75 | Eddie Matteson | 42 | MIN |
| +062+ | 1.39 | Al Demaree | 139.3 | SFN |
| +071+ | 1.28 | George Mogridge | 192.3 | NYA |
| +072+ | 1.28 | Sad Sam Jones | 139 | BOS |
| +073+ | 1.27 | Brad Hogg | 182.3 | PHI |
| XXXXX | 1.17 | Rube Bressler | 128.7 | CIN |
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