| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.11 | 191806090_MIN_DET |
| Hippo Vaughn | CHN | 6.13 | 191806100_CHN_PHI |
| Stan Coveleski | CLE | 4.48 | 191806090_BOS_CLE |
| Red Faber | CHA | 3.35 | 191806110_BOS_CHA |
| Wilbur Cooper | PIT | 1.79 | 191806100_PIT_LAN |
| 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 |
| Bernie Boland | DET | -2.61 | 191806090_MIN_DET |
| Ray Caldwell | NYA | -1.75 | 191806110_NYA_CLE |
Based on accumulated WAA for this season up to 1918-06-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.86 | Stan Coveleski | 133.3 | CLE |
| +002+ | 4.85 | Walter Johnson | 126.3 | MIN |
| +003+ | 3.7 | Hippo Vaughn | 105 | CHN |
| +004+ | 3.05 | Dana Fillingim | 53 | ATL |
| +006+ | 2.71 | Bullet Joe Bush | 109.3 | BOS |
| +009+ | 2.39 | Red Faber | 71.7 | CHA |
| +013+ | 2.13 | Red Ames | 68.3 | SLN |
| +015+ | 2.07 | Scott Perry | 129.7 | OAK |
| +016+ | 2.06 | Frank Shellenback | 56.3 | CHA |
| +018+ | 1.86 | Urban Shocker | 64.3 | BAL |
| +025+ | 1.54 | Bunny Hearn | 107 | ATL |
| +028+ | 1.38 | Hank Thormahlen | 83.3 | NYA |
| +032+ | 1.3 | Lefty Tyler | 90.7 | CHN |
| XXXXX | 1.21 | Eddie Cicotte | 96.3 | CHA |
| XXXXX | 1.16 | Frank Miller | 77 | PIT |
| XXXXX | 0.98 | Wilbur Cooper | 84 | PIT |
| XXXXX | 0.97 | Roy Sanders | 70.7 | PIT |
| XXXXX | 0.94 | Rube Bressler | 106 | CIN |
| XXXXX | 0.9 | Leon Cadore | 17 | LAN |
| XXXXX | 0.89 | Fred Toney | 67.3 | CIN |
| XXXXX | 0.83 | Jeff Tesreau | 73.7 | SFN |
| XXXXX | 0.79 | Slim Sallee | 73 | SFN |
| XXXXX | 0.77 | Hooks Dauss | 80 | DET |
| XXXXX | 0.76 | Bob Harmon | 54.3 | PIT |
| XXXXX | 0.71 | Hod Eller | 74 | CIN |
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