| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -5.18 | 191808041_OAK_CHA |
| Tom Rogers | BAL | -2.15 | 191808042_NYA_BAL |
| Pete Schneider | CIN | -2.15 | 191808031_CIN_LAN |
| Happy Finneran | NYA | -1.39 | 191808041_NYA_BAL |
| Jim Shaw | MIN | -1.3 | 191808030_MIN_DET |
Based on accumulated WAA for this season up to 1918-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.63 | Walter Johnson | 267.3 | MIN |
| +002+ | 6.36 | Stan Coveleski | 260.7 | CLE |
| +003+ | 5.77 | Hippo Vaughn | 235.3 | CHN |
| +006+ | 4.43 | Bullet Joe Bush | 227.7 | BOS |
| +008+ | 3.86 | Allen Sothoron | 186 | BAL |
| +010+ | 3.7 | Scott Perry | 266.7 | OAK |
| +012+ | 3.49 | Carl Mays | 229.3 | BOS |
| +013+ | 3.47 | Red Ames | 168.7 | SLN |
| +016+ | 3.21 | Burleigh Grimes | 204 | LAN |
| +018+ | 3.06 | Harry Harper | 186.3 | MIN |
| +019+ | 2.91 | Lefty Tyler | 207 | CHN |
| +022+ | 2.75 | Eddie Cicotte | 215.3 | CHA |
| +038+ | 2 | Red Causey | 110.7 | SFN |
| +041+ | 1.9 | Rube Marquard | 200 | LAN |
| +044+ | 1.79 | Phil Douglas | 113.7 | CHN |
| +045+ | 1.73 | Al Demaree | 135.3 | SFN |
| +047+ | 1.72 | Dick Rudolph | 117 | ATL |
| +054+ | 1.61 | Eddie Matteson | 33 | MIN |
| +057+ | 1.56 | Babe Ruth | 115 | BOS |
| +059+ | 1.51 | Bernie Boland | 162 | DET |
| +063+ | 1.46 | Reb Russell | 91 | CHA |
| +071+ | 1.26 | Sad Sam Jones | 139 | BOS |
| +073+ | 1.25 | Guy Morton | 180.7 | CLE |
| XXXXX | 1.2 | Paul Carter | 61.7 | CHN |
| XXXXX | 1.16 | Hooks Dauss | 202.7 | DET |
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