| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Cicotte | CHA | 3.29 | 191806240_CHA_DET |
| Bullet Joe Bush | BOS | 1.83 | 191806240_BOS_NYA |
| Lefty Tyler | CHN | 0.9 | 191806250_SLN_CHN |
| Fred Toney | CIN | 0.75 | 191806231_PIT_CIN |
| Pol Perritt | SFN | 0.66 | 191806250_SFN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Davenport | BAL | -4.68 | 191806232_BAL_DET |
| Bill James | DET | -3.38 | 191806240_CHA_DET |
| Jack Coombs | LAN | -1.86 | 191806250_LAN_PHI |
| Erskine Mayer | PIT | -0.72 | 191806231_PIT_CIN |
| Allen Russell | NYA | -0.45 | 191806250_BOS_NYA |
Based on accumulated WAA for this season up to 1918-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.64 | Walter Johnson | 157.3 | MIN |
| +002+ | 5.19 | Stan Coveleski | 165 | CLE |
| +003+ | 3.81 | Dana Fillingim | 81 | ATL |
| +005+ | 3.13 | Hippo Vaughn | 131 | CHN |
| +010+ | 2.71 | Bullet Joe Bush | 135.3 | BOS |
| +022+ | 2.16 | Carl Mays | 136.7 | BOS |
| +023+ | 2.13 | Urban Shocker | 94.7 | BAL |
| +024+ | 1.86 | Frank Shellenback | 76 | CHA |
| +026+ | 1.73 | Phil Douglas | 36 | CHN |
| +027+ | 1.72 | Burleigh Grimes | 107.7 | LAN |
| +029+ | 1.65 | Bob Harmon | 80.7 | PIT |
| +030+ | 1.63 | Lefty Tyler | 121 | CHN |
| +033+ | 1.59 | Al Demaree | 73 | SFN |
| +039+ | 1.41 | Rube Marquard | 119 | LAN |
| +041+ | 1.38 | Guy Morton | 118 | CLE |
| +043+ | 1.3 | Pol Perritt | 91.3 | SFN |
| +045+ | 1.25 | Scott Perry | 153.7 | OAK |
| +046+ | 1.25 | Slim Sallee | 97 | SFN |
| XXXXX | 1.11 | Red Ames | 87.3 | SLN |
| XXXXX | 1.07 | Frank Miller | 97.7 | PIT |
| XXXXX | 1.04 | Rube Bressler | 119.7 | CIN |
| XXXXX | 1.02 | Eddie Cicotte | 129.3 | CHA |
| XXXXX | 0.95 | Wilbur Cooper | 112 | PIT |
| XXXXX | 0.95 | George Mogridge | 105 | NYA |
| XXXXX | 0.9 | Vean Gregg | 116.3 | OAK |
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