| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 8.96 | 191805260_DET_MIN |
| Hippo Vaughn | CHN | 5.27 | 191805260_SFN_CHN |
| Eddie Cicotte | CHA | 2.99 | 191805270_CHA_BOS |
| Wilbur Cooper | PIT | 1.88 | 191805270_ATL_PIT |
| Carl Mays | BOS | 1.88 | 191805250_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -4.14 | 191805250_DET_MIN |
| Burleigh Grimes | LAN | -2.57 | 191805270_LAN_SLN |
| Ray Caldwell | NYA | -2.49 | 191805260_NYA_CLE |
| Bernie Boland | DET | -1.05 | 191805270_DET_MIN |
| Vean Gregg | OAK | -0.31 | 191805270_BAL_OAK |
Based on accumulated WAA for this season up to 1918-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.57 | Walter Johnson | 91.7 | MIN |
| +002+ | 3.46 | Stan Coveleski | 98.3 | CLE |
| +003+ | 2.9 | Scott Perry | 94.3 | OAK |
| +005+ | 2.47 | Hippo Vaughn | 78 | CHN |
| +008+ | 2.13 | Bill Sherdel | 57.3 | SLN |
| +010+ | 2.05 | Red Faber | 55.7 | CHA |
| +011+ | 1.97 | Dana Fillingim | 35 | ATL |
| +012+ | 1.9 | Hank Thormahlen | 64 | NYA |
| +013+ | 1.88 | Fred Toney | 47 | CIN |
| +014+ | 1.79 | Lefty Tyler | 71 | CHN |
| +017+ | 1.69 | Jeff Tesreau | 53.3 | SFN |
| +018+ | 1.61 | Red Ames | 52.3 | SLN |
| +020+ | 1.53 | Bullet Joe Bush | 70.3 | BOS |
| +022+ | 1.46 | Lefty Williams | 83 | CHA |
| +025+ | 1.36 | Jesse Barnes | 54.7 | SFN |
| XXXXX | 1.22 | Hod Eller | 65.3 | CIN |
| XXXXX | 1.17 | Erskine Mayer | 75.7 | PHI |
| XXXXX | 1.03 | Eric Erickson | 67.3 | DET |
| XXXXX | 0.93 | Wilbur Cooper | 58.3 | PIT |
| XXXXX | 0.86 | Bunny Hearn | 65 | ATL |
| XXXXX | 0.8 | Slim Love | 73.3 | NYA |
| XXXXX | 0.77 | Harry Weaver | 27.3 | CHN |
| XXXXX | 0.75 | Babe Ruth | 61.7 | BOS |
| XXXXX | 0.62 | Grover Lowdermilk | 37 | BAL |
| XXXXX | 0.58 | Rube Bressler | 84 | CIN |
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