| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 6.69 | 191808220_SFN_CHN |
| Stan Coveleski | CLE | 4.47 | 191808230_CLE_MIN |
| Scott Perry | OAK | 2.66 | 191808210_CHA_OAK |
| Carl Mays | BOS | 2.01 | 191808210_BAL_BOS |
| Allen Sothoron | BAL | 1.73 | 191808210_BAL_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -7.24 | 191808220_CHA_OAK |
| Dave Davenport | BAL | -2.67 | 191808220_BAL_BOS |
| Lee Meadows | SLN | -2.41 | 191808222_LAN_SLN |
| Pete Schneider | CIN | -2.06 | 191808220_PHI_CIN |
| George Smith | LAN | -1.85 | 191808222_LAN_SLN |
Based on accumulated WAA for this season up to 1918-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.23 | Walter Johnson | 307 | MIN |
| +002+ | 6.17 | Hippo Vaughn | 277.3 | CHN |
| +004+ | 5.74 | Stan Coveleski | 296.3 | CLE |
| +005+ | 5.51 | Burleigh Grimes | 249 | LAN |
| +007+ | 5.32 | Scott Perry | 308.7 | OAK |
| +010+ | 3.99 | Allen Sothoron | 209 | BAL |
| +011+ | 3.72 | Carl Mays | 266.3 | BOS |
| +015+ | 3.57 | Bullet Joe Bush | 257.7 | BOS |
| +017+ | 3.37 | Lefty Tyler | 246.3 | CHN |
| +020+ | 3.17 | Red Ames | 190 | SLN |
| +023+ | 2.92 | Wilbur Cooper | 246 | PIT |
| +028+ | 2.77 | Hod Eller | 193 | CIN |
| +034+ | 2.41 | Harry Harper | 226 | MIN |
| +033+ | 2.41 | Eddie Cicotte | 250 | CHA |
| +048+ | 2.08 | George Mogridge | 209.3 | NYA |
| +053+ | 1.72 | Sad Sam Jones | 166 | BOS |
| +055+ | 1.68 | Phil Douglas | 146.3 | CHN |
| +059+ | 1.53 | Frank Miller | 155.3 | PIT |
| +063+ | 1.44 | Babe Ruth | 149 | BOS |
| +068+ | 1.28 | Eddie Matteson | 59 | MIN |
| +070+ | 1.26 | Speed Martin | 26.7 | CHN |
| XXXXX | 1.21 | Jake Northrop | 38 | ATL |
| XXXXX | 1.1 | Bernie Boland | 186 | DET |
| XXXXX | 1.1 | Al Demaree | 142 | SFN |
| XXXXX | 1.1 | Guy Morton | 210.7 | CLE |
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