| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 6.13 | 191806100_CHN_PHI |
| Red Faber | CHA | 3.35 | 191806110_BOS_CHA |
| Wilbur Cooper | PIT | 1.79 | 191806100_PIT_LAN |
| Carl Mays | BOS | 1.57 | 191806120_BOS_CHA |
| Dana Fillingim | ATL | 0.91 | 191806120_PIT_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | OAK | -7.18 | 191806100_OAK_DET |
| Dave Davenport | BAL | -4.38 | 191806110_MIN_BAL |
| Jim Shaw | MIN | -2.78 | 191806110_MIN_BAL |
| Ray Caldwell | NYA | -1.75 | 191806110_NYA_CLE |
| Burleigh Grimes | LAN | -0.71 | 191806100_PIT_LAN |
Based on accumulated WAA for this season up to 1918-06-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.91 | Walter Johnson | 127.3 | MIN |
| +002+ | 4.84 | Stan Coveleski | 133.3 | CLE |
| +003+ | 3.7 | Hippo Vaughn | 105 | CHN |
| +004+ | 3.62 | Dana Fillingim | 62 | ATL |
| +007+ | 2.69 | Bullet Joe Bush | 109.3 | BOS |
| +009+ | 2.39 | Red Faber | 71.7 | CHA |
| +012+ | 2.12 | Red Ames | 68.3 | SLN |
| +015+ | 2.06 | Frank Shellenback | 56.3 | CHA |
| +016+ | 2.05 | Scott Perry | 129.7 | OAK |
| +023+ | 1.61 | Lefty Tyler | 98.7 | CHN |
| +025+ | 1.52 | Bunny Hearn | 107 | ATL |
| +027+ | 1.47 | Frank Miller | 85 | PIT |
| +030+ | 1.38 | Hank Thormahlen | 83.3 | NYA |
| XXXXX | 1.2 | Eddie Cicotte | 96.3 | CHA |
| XXXXX | 1.15 | Urban Shocker | 73 | BAL |
| XXXXX | 1.03 | Pol Perritt | 67.3 | SFN |
| XXXXX | 0.99 | Carl Mays | 118.7 | BOS |
| XXXXX | 0.98 | Wilbur Cooper | 84 | PIT |
| XXXXX | 0.97 | Roy Sanders | 70.7 | PIT |
| XXXXX | 0.93 | Guy Morton | 94.7 | CLE |
| XXXXX | 0.92 | Rube Bressler | 106 | CIN |
| XXXXX | 0.9 | Leon Cadore | 17 | LAN |
| XXXXX | 0.88 | Fred Toney | 67.3 | CIN |
| XXXXX | 0.82 | Jeff Tesreau | 73.7 | SFN |
| XXXXX | 0.77 | Hooks Dauss | 80 | DET |
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