| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 7.75 | 191805110_CLE_MIN |
| Babe Ruth | BOS | 6.84 | 191805090_BOS_MIN |
| Hippo Vaughn | CHN | 5.16 | 191805090_CHN_PIT |
| Red Faber | CHA | 3.86 | 191805100_CHA_OAK |
| Fred Toney | CIN | 2.59 | 191805100_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Davenport | BAL | -3.76 | 191805100_BAL_BOS |
| Jim Shaw | MIN | -3.27 | 191805100_CLE_MIN |
| Bill James | DET | -0.66 | 191805110_DET_NYA |
| Allen Russell | NYA | -0.31 | 191805090_NYA_OAK |
| Vean Gregg | OAK | -0.17 | 191805100_CHA_OAK |
Based on accumulated WAA for this season up to 1918-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.91 | Earl Hamilton | 54 | PIT |
| +002+ | 2.75 | Walter Johnson | 64.7 | MIN |
| +003+ | 2.72 | Scott Perry | 58.3 | OAK |
| +005+ | 2.15 | Jeff Tesreau | 38.3 | SFN |
| +006+ | 2.13 | Lefty Tyler | 38 | CHN |
| +008+ | 1.94 | Hippo Vaughn | 47 | CHN |
| +009+ | 1.93 | Stan Coveleski | 55 | CLE |
| +016+ | 1.25 | Slim Love | 55.3 | NYA |
| XXXXX | 1.19 | Hod Eller | 38.7 | CIN |
| XXXXX | 1.15 | Red Faber | 27.7 | CHA |
| XXXXX | 1.12 | Bullet Joe Bush | 41.3 | BOS |
| XXXXX | 1.1 | Babe Ruth | 52.7 | BOS |
| XXXXX | 1.08 | Brad Hogg | 28.7 | PHI |
| XXXXX | 1.05 | Joe Oeschger | 17 | PHI |
| XXXXX | 1.01 | Red Ames | 25.3 | SLN |
| XXXXX | 1 | Allen Sothoron | 42 | BAL |
| XXXXX | 0.91 | Erskine Mayer | 49 | PHI |
| XXXXX | 0.87 | Jesse Barnes | 32.3 | SFN |
| XXXXX | 0.83 | Eric Erickson | 35.3 | DET |
| XXXXX | 0.79 | Jakie May | 36.7 | SLN |
| XXXXX | 0.77 | Pete Schneider | 44.3 | CIN |
| XXXXX | 0.77 | Fred Toney | 16 | CIN |
| XXXXX | 0.73 | Pat Ragan | 41 | ATL |
| XXXXX | 0.73 | Willie Adams | 27.7 | OAK |
| XXXXX | 0.72 | Dutch Leonard | 47.3 | BOS |
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