| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 10.11 | 191806090_MIN_DET |
| Stan Coveleski | CLE | 4.48 | 191806090_BOS_CLE |
| Eddie Cicotte | CHA | 3.28 | 191806090_OAK_CHA |
| Fred Toney | CIN | 1.61 | 191806080_CIN_ATL |
| Carl Mays | BOS | 1.55 | 191806080_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | OAK | -7.78 | 191806070_OAK_CHA |
| Dave Davenport | BAL | -3.44 | 191806080_NYA_BAL |
| Bernie Boland | DET | -2.61 | 191806090_MIN_DET |
| Bill Doak | SLN | -0.59 | 191806082_SLN_SFN |
| Lefty Williams | CHA | -0.55 | 191806080_OAK_CHA |
Based on accumulated WAA for this season up to 1918-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.96 | Stan Coveleski | 133.3 | CLE |
| +002+ | 4.93 | Walter Johnson | 126.3 | MIN |
| +003+ | 3.36 | Hippo Vaughn | 96 | CHN |
| +004+ | 3.13 | Dana Fillingim | 53 | ATL |
| +011+ | 2.16 | Red Ames | 68.3 | SLN |
| +012+ | 2.14 | Bullet Joe Bush | 100.3 | BOS |
| +014+ | 2.09 | Scott Perry | 129.7 | OAK |
| +015+ | 2.05 | Red Faber | 62.7 | CHA |
| +016+ | 1.93 | Urban Shocker | 64.3 | BAL |
| +018+ | 1.72 | Frank Shellenback | 47.3 | CHA |
| +024+ | 1.43 | Hank Thormahlen | 83.3 | NYA |
| +028+ | 1.33 | Lefty Tyler | 90.7 | CHN |
| +031+ | 1.27 | Frank Miller | 77 | PIT |
| +032+ | 1.26 | Bunny Hearn | 91 | ATL |
| XXXXX | 1.23 | Eddie Cicotte | 96.3 | CHA |
| XXXXX | 1.12 | Jeff Tesreau | 71.3 | SFN |
| XXXXX | 0.99 | Wilbur Cooper | 76 | PIT |
| XXXXX | 0.91 | Leon Cadore | 17 | LAN |
| XXXXX | 0.91 | Fred Toney | 67.3 | CIN |
| XXXXX | 0.83 | Bob Harmon | 54.3 | PIT |
| XXXXX | 0.81 | Slim Sallee | 73 | SFN |
| XXXXX | 0.72 | Hod Eller | 74 | CIN |
| XXXXX | 0.65 | Hooks Dauss | 71 | DET |
| XXXXX | 0.65 | Guy Morton | 85.7 | CLE |
| XXXXX | 0.59 | Phil Douglas | 9 | CHN |
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