| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Faber | CHA | 4 | 191805180_CHA_MIN |
| Hippo Vaughn | CHN | 3.87 | 191805170_PHI_CHN |
| Stan Coveleski | CLE | 1.51 | 191805190_CLE_MIN |
| Dutch Leonard | BOS | 1.31 | 191805170_DET_BOS |
| Pol Perritt | SFN | 0.91 | 191805170_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -4.42 | 191805170_CHA_MIN |
| Ray Caldwell | NYA | -2.23 | 191805180_BAL_NYA |
| Rube Bressler | CIN | -0.8 | 191805170_SFN_CIN |
| Happy Finneran | DET | -0.74 | 191805170_DET_BOS |
| Oscar Horstmann | SLN | -0.67 | 191805170_ATL_SLN |
Based on accumulated WAA for this season up to 1918-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.37 | Walter Johnson | 82.7 | MIN |
| +002+ | 2.95 | Stan Coveleski | 79.3 | CLE |
| +003+ | 2.71 | Earl Hamilton | 54 | PIT |
| +004+ | 2.68 | Scott Perry | 77.3 | OAK |
| +006+ | 2.18 | Lefty Tyler | 62 | CHN |
| +008+ | 2.02 | Hod Eller | 56 | CIN |
| +009+ | 1.92 | Jeff Tesreau | 45.3 | SFN |
| +010+ | 1.83 | Hippo Vaughn | 60 | CHN |
| +011+ | 1.8 | Red Faber | 49.7 | CHA |
| +013+ | 1.62 | Dana Fillingim | 26 | ATL |
| +017+ | 1.38 | Bullet Joe Bush | 59.3 | BOS |
| +018+ | 1.36 | Bill Sherdel | 33.3 | SLN |
| +021+ | 1.3 | Lefty Williams | 64.3 | CHA |
| XXXXX | 1.22 | Red Ames | 34.3 | SLN |
| XXXXX | 1.08 | Slim Love | 59.3 | NYA |
| XXXXX | 1.08 | Jesse Barnes | 45.3 | SFN |
| XXXXX | 1.05 | Fred Toney | 27 | CIN |
| XXXXX | 0.91 | Babe Ruth | 61.7 | BOS |
| XXXXX | 0.89 | Hank Thormahlen | 41 | NYA |
| XXXXX | 0.75 | Johnny Enzmann | 20 | CLE |
| XXXXX | 0.69 | Pete Schneider | 52 | CIN |
| XXXXX | 0.66 | Frank Miller | 45.7 | PIT |
| XXXXX | 0.63 | Rube Benton | 24 | SFN |
| XXXXX | 0.62 | Eric Erickson | 51.3 | DET |
| XXXXX | 0.59 | Brad Hogg | 45.7 | PHI |
_