| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 6.23 | 191808010_CHN_SFN |
| Stan Coveleski | CLE | 5.34 | 191808020_BOS_CLE |
| Carl Mays | BOS | 4.02 | 191808020_BOS_CLE |
| Rube Marquard | LAN | 1.74 | 191808031_CIN_LAN |
| Allen Sothoron | BAL | 1.31 | 191808030_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Coombs | LAN | -5.73 | 191808010_CIN_LAN |
| Pete Schneider | CIN | -2.15 | 191808031_CIN_LAN |
| Ray Caldwell | NYA | -1.81 | 191808010_NYA_DET |
| Elmer Jacobs | PHI | -1.73 | 191808011_SLN_PHI |
| Bill Sherdel | SLN | -1.34 | 191808020_SLN_PHI |
Based on accumulated WAA for this season up to 1918-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.94 | Walter Johnson | 250 | MIN |
| +002+ | 5.97 | Stan Coveleski | 254.7 | CLE |
| +003+ | 5.86 | Hippo Vaughn | 230.3 | CHN |
| +006+ | 4.45 | Bullet Joe Bush | 221.7 | BOS |
| +008+ | 3.85 | Allen Sothoron | 186 | BAL |
| +011+ | 3.52 | Scott Perry | 257.7 | OAK |
| +012+ | 3.49 | Carl Mays | 229.3 | BOS |
| +014+ | 3.45 | Red Ames | 168.7 | SLN |
| +016+ | 3.2 | Burleigh Grimes | 204 | LAN |
| +017+ | 3.15 | Harry Harper | 186.3 | MIN |
| +019+ | 2.9 | Lefty Tyler | 207 | CHN |
| +027+ | 2.53 | Eddie Cicotte | 205.3 | CHA |
| +041+ | 1.91 | Red Causey | 109.3 | SFN |
| +042+ | 1.89 | Rube Marquard | 200 | LAN |
| +045+ | 1.73 | Al Demaree | 135.3 | SFN |
| +050+ | 1.66 | Phil Douglas | 111.7 | CHN |
| +052+ | 1.63 | Eddie Matteson | 33 | MIN |
| +054+ | 1.6 | Bernie Boland | 162 | DET |
| +058+ | 1.46 | Reb Russell | 91 | CHA |
| +065+ | 1.26 | Sad Sam Jones | 139 | BOS |
| XXXXX | 1.13 | Dick Rudolph | 108 | ATL |
| XXXXX | 1.07 | Paul Carter | 59.7 | CHN |
| XXXXX | 1.07 | Hod Eller | 147 | CIN |
| XXXXX | 0.97 | Babe Ruth | 103 | BOS |
| XXXXX | 0.96 | Jim Bagby | 219 | CLE |
_