| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 4.03 | 191806220_CHN_PIT |
| Stan Coveleski | CLE | 3.98 | 191806220_CLE_CHA |
| Eddie Cicotte | CHA | 3.29 | 191806240_CHA_DET |
| Bullet Joe Bush | BOS | 1.83 | 191806240_BOS_NYA |
| Dana Fillingim | ATL | 1.72 | 191806220_ATL_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Davenport | BAL | -4.68 | 191806232_BAL_DET |
| Bill James | DET | -3.38 | 191806240_CHA_DET |
| Ray Caldwell | NYA | -2.12 | 191806220_MIN_NYA |
| Erskine Mayer | PIT | -0.72 | 191806231_PIT_CIN |
| Gene Packard | SLN | -0.44 | 191806222_CIN_SLN |
Based on accumulated WAA for this season up to 1918-06-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.61 | Walter Johnson | 157.3 | MIN |
| +002+ | 5.12 | Stan Coveleski | 164.7 | CLE |
| +003+ | 3.8 | Dana Fillingim | 81 | ATL |
| +005+ | 3.11 | Hippo Vaughn | 131 | CHN |
| +010+ | 2.68 | Bullet Joe Bush | 135.3 | BOS |
| +021+ | 2.14 | Carl Mays | 136.7 | BOS |
| +022+ | 2.11 | Urban Shocker | 94.7 | BAL |
| +024+ | 1.83 | Frank Shellenback | 76 | CHA |
| +026+ | 1.72 | Phil Douglas | 36 | CHN |
| +027+ | 1.7 | Burleigh Grimes | 107.7 | LAN |
| +028+ | 1.64 | Bob Harmon | 80.7 | PIT |
| +032+ | 1.57 | Al Demaree | 73 | SFN |
| +037+ | 1.45 | Guy Morton | 109.7 | CLE |
| +039+ | 1.38 | Rube Marquard | 119 | LAN |
| XXXXX | 1.23 | Slim Sallee | 97 | SFN |
| XXXXX | 1.22 | Lefty Tyler | 115 | CHN |
| XXXXX | 1.22 | Scott Perry | 153.7 | OAK |
| XXXXX | 1.08 | Red Ames | 87.3 | SLN |
| XXXXX | 1.05 | Frank Miller | 97.7 | PIT |
| XXXXX | 1.02 | Rube Bressler | 119.7 | CIN |
| XXXXX | 0.98 | Eddie Cicotte | 129.3 | CHA |
| XXXXX | 0.93 | Wilbur Cooper | 112 | PIT |
| XXXXX | 0.92 | George Mogridge | 105 | NYA |
| XXXXX | 0.92 | Pol Perritt | 82.3 | SFN |
| XXXXX | 0.89 | Leon Cadore | 17 | LAN |
_