| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 6.69 | 191808220_SFN_CHN |
| Stan Coveleski | CLE | 4.47 | 191808230_CLE_MIN |
| Scott Perry | OAK | 3.41 | 191808242_CHA_OAK |
| Burleigh Grimes | LAN | 3.41 | 191808241_LAN_CHN |
| Wilbur Cooper | PIT | 1.38 | 191808241_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -7.24 | 191808220_CHA_OAK |
| Happy Finneran | NYA | -2.69 | 191808241_DET_NYA |
| Dave Davenport | BAL | -2.67 | 191808220_BAL_BOS |
| Lee Meadows | SLN | -2.41 | 191808222_LAN_SLN |
| Pete Schneider | CIN | -2.06 | 191808220_PHI_CIN |
Based on accumulated WAA for this season up to 1918-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.22 | Walter Johnson | 307 | MIN |
| +002+ | 6.16 | Hippo Vaughn | 277.3 | CHN |
| +004+ | 5.74 | Stan Coveleski | 296.3 | CLE |
| +005+ | 5.68 | Scott Perry | 317.7 | OAK |
| +007+ | 4.8 | Burleigh Grimes | 254 | LAN |
| +010+ | 4 | Allen Sothoron | 209 | BAL |
| +013+ | 3.71 | Carl Mays | 266.3 | BOS |
| +015+ | 3.56 | Bullet Joe Bush | 257.7 | BOS |
| +017+ | 3.37 | Lefty Tyler | 246.3 | CHN |
| +020+ | 3.15 | Red Ames | 190 | SLN |
| +021+ | 3.07 | Wilbur Cooper | 255 | PIT |
| +023+ | 2.95 | Harry Harper | 235 | MIN |
| +030+ | 2.75 | Hod Eller | 193 | CIN |
| +031+ | 2.64 | George Mogridge | 218.3 | NYA |
| +036+ | 2.42 | Eddie Cicotte | 250 | CHA |
| +049+ | 2.02 | Babe Ruth | 158 | BOS |
| +053+ | 1.71 | Sad Sam Jones | 166 | BOS |
| +057+ | 1.67 | Phil Douglas | 146.3 | CHN |
| +058+ | 1.62 | Speed Martin | 35.7 | CHN |
| +060+ | 1.53 | Frank Miller | 155.3 | PIT |
| +071+ | 1.28 | Eddie Matteson | 59 | MIN |
| XXXXX | 1.21 | Jake Northrop | 38 | ATL |
| XXXXX | 1.1 | Al Demaree | 142 | SFN |
| XXXXX | 1.1 | Guy Morton | 210.7 | CLE |
| XXXXX | 1.06 | Rube Bressler | 128.7 | CIN |
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