| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 4.67 | 191805210_LAN_CHN |
| Fred Toney | CIN | 2.69 | 191805200_ATL_CIN |
| Eddie Cicotte | CHA | 2.29 | 191805220_CHA_NYA |
| Carl Mays | BOS | 1.62 | 191805200_CLE_BOS |
| Wilbur Cooper | PIT | 1.42 | 191805200_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | OAK | -4.88 | 191805200_DET_OAK |
| Jim Shaw | MIN | -3.48 | 191805210_BAL_MIN |
| Jack Coombs | LAN | -1.25 | 191805210_LAN_CHN |
| Bernie Boland | DET | -1.2 | 191805220_DET_OAK |
| Bert Gallia | BAL | -1.13 | 191805210_BAL_MIN |
Based on accumulated WAA for this season up to 1918-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.35 | Walter Johnson | 82.7 | MIN |
| +002+ | 2.91 | Stan Coveleski | 79.3 | CLE |
| +003+ | 2.84 | Scott Perry | 85.3 | OAK |
| +004+ | 2.62 | Earl Hamilton | 54 | PIT |
| +005+ | 2.18 | Hippo Vaughn | 69 | CHN |
| +008+ | 2.13 | Lefty Tyler | 62 | CHN |
| +009+ | 2.03 | Dana Fillingim | 35 | ATL |
| +010+ | 1.97 | Hod Eller | 56 | CIN |
| +011+ | 1.94 | Bill Sherdel | 42.3 | SLN |
| +012+ | 1.88 | Jeff Tesreau | 45.3 | SFN |
| +013+ | 1.73 | Hank Thormahlen | 55 | NYA |
| +015+ | 1.72 | Red Faber | 49.7 | CHA |
| +016+ | 1.66 | Jesse Barnes | 54.3 | SFN |
| +021+ | 1.37 | Red Ames | 43.3 | SLN |
| +023+ | 1.35 | Lefty Williams | 73.3 | CHA |
| +025+ | 1.33 | Bullet Joe Bush | 59.3 | BOS |
| XXXXX | 1.22 | Fred Toney | 36 | CIN |
| XXXXX | 0.86 | Babe Ruth | 61.7 | BOS |
| XXXXX | 0.66 | Slim Love | 64.3 | NYA |
| XXXXX | 0.62 | Wilbur Cooper | 49.3 | PIT |
| XXXXX | 0.61 | Rube Benton | 24 | SFN |
| XXXXX | 0.58 | Frank Miller | 45.7 | PIT |
| XXXXX | 0.56 | Bunny Hearn | 56 | ATL |
| XXXXX | 0.54 | Brad Hogg | 45.7 | PHI |
| XXXXX | 0.53 | Grover Lowdermilk | 29 | BAL |
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