| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -5.18 | 191808041_OAK_CHA |
| Jack Coombs | LAN | -4.3 | 191808060_CHN_LAN |
| Tom Rogers | BAL | -2.15 | 191808042_NYA_BAL |
| Happy Finneran | NYA | -1.39 | 191808041_NYA_BAL |
| Doc Ayers | MIN | -1.21 | 191808041_MIN_DET |
Based on accumulated WAA for this season up to 1918-08-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.68 | Walter Johnson | 267.3 | MIN |
| +002+ | 6.4 | Stan Coveleski | 260.7 | CLE |
| +003+ | 5.81 | Hippo Vaughn | 235.3 | CHN |
| +006+ | 4.45 | Bullet Joe Bush | 227.7 | BOS |
| +009+ | 3.75 | Scott Perry | 266.7 | OAK |
| +011+ | 3.55 | Carl Mays | 239.3 | BOS |
| +012+ | 3.51 | Red Ames | 168.7 | SLN |
| +013+ | 3.5 | Allen Sothoron | 193 | BAL |
| +015+ | 3.45 | Harry Harper | 195.3 | MIN |
| +016+ | 3.24 | Burleigh Grimes | 204 | LAN |
| +022+ | 2.74 | Eddie Cicotte | 216 | CHA |
| +028+ | 2.55 | Lefty Tyler | 210.7 | CHN |
| +033+ | 2.24 | Wilbur Cooper | 217 | PIT |
| +038+ | 2.02 | Red Causey | 110.7 | SFN |
| +040+ | 1.93 | Rube Marquard | 200 | LAN |
| +045+ | 1.81 | Phil Douglas | 113.7 | CHN |
| +047+ | 1.75 | Al Demaree | 135.3 | SFN |
| +050+ | 1.74 | Dick Rudolph | 117 | ATL |
| +053+ | 1.64 | Jim Bagby | 229 | CLE |
| +054+ | 1.62 | Eddie Matteson | 33 | MIN |
| +057+ | 1.57 | Babe Ruth | 115 | BOS |
| +058+ | 1.53 | Bernie Boland | 162 | DET |
| +070+ | 1.28 | Sad Sam Jones | 139 | BOS |
| +071+ | 1.27 | Guy Morton | 180.7 | CLE |
| XXXXX | 1.21 | Paul Carter | 61.7 | CHN |
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