| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.92 | 191808131_MIN_OAK |
| Hippo Vaughn | CHN | 6.79 | 191808112_PIT_CHN |
| Stan Coveleski | CLE | 5.47 | 191808111_CHA_CLE |
| Eddie Cicotte | CHA | 1.89 | 191808111_CHA_CLE |
| Babe Ruth | BOS | 1.42 | 191808120_NYA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -6.35 | 191808110_OAK_MIN |
| Gene Packard | SLN | -2.53 | 191808112_SLN_CIN |
| Rudy Kallio | DET | -1.96 | 191808112_DET_BAL |
| Pete Schneider | CIN | -1.85 | 191808120_CIN_SLN |
| Jim Shaw | MIN | -0.65 | 191808110_OAK_MIN |
Based on accumulated WAA for this season up to 1918-08-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.36 | Walter Johnson | 286 | MIN |
| +002+ | 5.97 | Hippo Vaughn | 249.3 | CHN |
| +003+ | 5.69 | Stan Coveleski | 272.3 | CLE |
| +007+ | 4.37 | Burleigh Grimes | 222 | LAN |
| +009+ | 3.83 | Harry Harper | 212.3 | MIN |
| +010+ | 3.82 | Scott Perry | 275.7 | OAK |
| +011+ | 3.51 | Allen Sothoron | 193 | BAL |
| +016+ | 3.29 | Carl Mays | 248.3 | BOS |
| +019+ | 3.09 | Red Ames | 175 | SLN |
| +025+ | 2.75 | Lefty Tyler | 228.3 | CHN |
| +027+ | 2.71 | Bullet Joe Bush | 239.7 | BOS |
| +028+ | 2.68 | Eddie Cicotte | 234 | CHA |
| +032+ | 2.45 | Wilbur Cooper | 228 | PIT |
| +038+ | 2.17 | Rube Marquard | 204.3 | LAN |
| +040+ | 2.13 | Babe Ruth | 133 | BOS |
| +045+ | 1.89 | Dick Rudolph | 125.7 | ATL |
| +049+ | 1.79 | Red Causey | 126.3 | SFN |
| +051+ | 1.76 | Hod Eller | 163 | CIN |
| +052+ | 1.75 | Eddie Matteson | 42 | MIN |
| +060+ | 1.43 | Al Demaree | 140 | SFN |
| +062+ | 1.37 | Brad Hogg | 191 | PHI |
| +071+ | 1.29 | Phil Douglas | 129.3 | CHN |
| +074+ | 1.27 | Sad Sam Jones | 139 | BOS |
| +073+ | 1.27 | George Mogridge | 192.3 | NYA |
| XXXXX | 1.17 | Reb Russell | 99.7 | CHA |
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