| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 4.36 | 191806180_CHN_LAN |
| Eddie Cicotte | CHA | 4.26 | 191806200_CLE_CHA |
| Bullet Joe Bush | BOS | 1.74 | 191806190_OAK_BOS |
| Dana Fillingim | ATL | 1.41 | 191806180_SLN_ATL |
| Rube Marquard | LAN | 1.05 | 191806180_CHN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -2.76 | 191806190_MIN_NYA |
| Bernie Boland | DET | -1.63 | 191806182_DET_BAL |
| Happy Finneran | NYA | -1.45 | 191806200_MIN_NYA |
| Jack Coombs | LAN | -1.42 | 191806200_SFN_LAN |
| Tom Rogers | BAL | -0.62 | 191806190_DET_BAL |
Based on accumulated WAA for this season up to 1918-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.79 | Walter Johnson | 144.3 | MIN |
| +002+ | 4.92 | Stan Coveleski | 155.7 | CLE |
| +003+ | 4.02 | Dana Fillingim | 72 | ATL |
| +007+ | 2.73 | Bullet Joe Bush | 127 | BOS |
| +008+ | 2.71 | Red Faber | 80.7 | CHA |
| +009+ | 2.68 | Hippo Vaughn | 122 | CHN |
| +012+ | 2.4 | Frank Shellenback | 72.3 | CHA |
| +026+ | 1.69 | Urban Shocker | 82 | BAL |
| +030+ | 1.55 | Phil Douglas | 27 | CHN |
| +031+ | 1.52 | Bunny Hearn | 121 | ATL |
| +032+ | 1.51 | Carl Mays | 127.7 | BOS |
| +033+ | 1.46 | Eddie Cicotte | 121.3 | CHA |
| +034+ | 1.45 | Pol Perritt | 78.3 | SFN |
| +035+ | 1.41 | Guy Morton | 109.7 | CLE |
| +038+ | 1.35 | Brad Hogg | 98 | PHI |
| +039+ | 1.29 | Lefty Tyler | 107 | CHN |
| XXXXX | 1.25 | Bob Harmon | 71.7 | PIT |
| XXXXX | 1.24 | Scott Perry | 145.7 | OAK |
| XXXXX | 1.17 | Hank Thormahlen | 88.3 | NYA |
| XXXXX | 1.07 | Burleigh Grimes | 98.7 | LAN |
| XXXXX | 0.98 | Rube Bressler | 119.7 | CIN |
| XXXXX | 0.96 | Al Demaree | 64 | SFN |
| XXXXX | 0.88 | Leon Cadore | 17 | LAN |
| XXXXX | 0.87 | Frank Miller | 88.7 | PIT |
| XXXXX | 0.82 | Fred Toney | 76 | CIN |
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