| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 8.55 | 191805150_CHA_MIN |
| Babe Ruth | BOS | 6.34 | 191805150_DET_BOS |
| Hippo Vaughn | CHN | 3.87 | 191805170_PHI_CHN |
| Fred Toney | CIN | 2.15 | 191805160_SFN_CIN |
| Wilbur Cooper | PIT | 2.11 | 191805150_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | OAK | -6.52 | 191805150_CLE_OAK |
| Jim Shaw | MIN | -4.42 | 191805170_CHA_MIN |
| Bert Gallia | BAL | -1.35 | 191805160_BAL_NYA |
| Bill James | DET | -1.26 | 191805160_DET_BOS |
| Jack Coombs | LAN | -0.97 | 191805160_LAN_PIT |
Based on accumulated WAA for this season up to 1918-05-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.57 | Walter Johnson | 82.7 | MIN |
| +003+ | 2.76 | Scott Perry | 68.3 | OAK |
| +002+ | 2.76 | Earl Hamilton | 54 | PIT |
| +004+ | 2.47 | Stan Coveleski | 67.7 | CLE |
| +007+ | 1.89 | Hippo Vaughn | 60 | CHN |
| +008+ | 1.88 | Jeff Tesreau | 44.3 | SFN |
| +010+ | 1.65 | Hod Eller | 47 | CIN |
| +011+ | 1.65 | Red Faber | 36.7 | CHA |
| +013+ | 1.61 | Lefty Tyler | 53 | CHN |
| +017+ | 1.43 | Lefty Williams | 64.3 | CHA |
| +018+ | 1.39 | Bill Sherdel | 33.3 | SLN |
| XXXXX | 1.24 | Red Ames | 34.3 | SLN |
| XXXXX | 1.23 | Jakie May | 46.7 | SLN |
| XXXXX | 1.13 | Slim Love | 59.3 | NYA |
| XXXXX | 1.08 | Fred Toney | 27 | CIN |
| XXXXX | 1.04 | Jesse Barnes | 41.3 | SFN |
| XXXXX | 1.03 | Joe Oeschger | 27.3 | PHI |
| XXXXX | 1.01 | Dana Fillingim | 17 | ATL |
| XXXXX | 0.97 | Babe Ruth | 61.7 | BOS |
| XXXXX | 0.92 | Hank Thormahlen | 41 | NYA |
| XXXXX | 0.8 | Bullet Joe Bush | 50.3 | BOS |
| XXXXX | 0.78 | Johnny Enzmann | 20 | CLE |
| XXXXX | 0.78 | Dan Griner | 25.3 | LAN |
| XXXXX | 0.72 | Eric Erickson | 43.3 | DET |
| XXXXX | 0.68 | Brad Hogg | 37.7 | PHI |
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