| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.57 | 191806271_OAK_MIN |
| Hippo Vaughn | CHN | 4.66 | 191806260_SLN_CHN |
| Stan Coveleski | CLE | 4.52 | 191806261_CLE_BAL |
| Carl Mays | BOS | 3.07 | 191806260_BOS_NYA |
| Eddie Cicotte | CHA | 2.68 | 191806281_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Davenport | BAL | -4.77 | 191806282_BAL_CHA |
| Jim Shaw | MIN | -2.81 | 191806272_OAK_MIN |
| Happy Finneran | NYA | -1.41 | 191806280_NYA_OAK |
| Elmer Jacobs | PHI | -1.11 | 191806260_LAN_PHI |
| Bernie Boland | DET | -0.87 | 191806270_CHA_DET |
Based on accumulated WAA for this season up to 1918-06-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.14 | Walter Johnson | 166.3 | MIN |
| +002+ | 4.84 | Stan Coveleski | 173.3 | CLE |
| +004+ | 3.66 | Hippo Vaughn | 140 | CHN |
| +008+ | 2.82 | Dana Fillingim | 89 | ATL |
| +013+ | 2.52 | Bullet Joe Bush | 142.3 | BOS |
| +017+ | 2.39 | Frank Shellenback | 85 | CHA |
| +020+ | 2.25 | Carl Mays | 144.7 | BOS |
| +026+ | 1.93 | Al Demaree | 82 | SFN |
| +027+ | 1.92 | Burleigh Grimes | 117.7 | LAN |
| +028+ | 1.79 | Slim Sallee | 106 | SFN |
| +029+ | 1.77 | Phil Douglas | 40 | CHN |
| +033+ | 1.62 | Rube Marquard | 126 | LAN |
| +036+ | 1.58 | Lefty Tyler | 121 | CHN |
| +042+ | 1.35 | Guy Morton | 118 | CLE |
| +043+ | 1.32 | Red Ames | 94.3 | SLN |
| +044+ | 1.27 | Pol Perritt | 91.3 | SFN |
| XXXXX | 1.21 | Scott Perry | 163.3 | OAK |
| XXXXX | 1.05 | Frank Miller | 97.7 | PIT |
| XXXXX | 1.03 | Eddie Cicotte | 140.3 | CHA |
| XXXXX | 1 | Lee Meadows | 68.3 | SLN |
| XXXXX | 0.99 | Rube Bressler | 119.7 | CIN |
| XXXXX | 0.95 | Harry Harper | 123 | MIN |
| XXXXX | 0.89 | Leon Cadore | 17 | LAN |
| XXXXX | 0.88 | Allen Sothoron | 112 | BAL |
| XXXXX | 0.87 | Wilbur Cooper | 121 | PIT |
_