| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 15.04 | 191808252_CHA_MIN |
| Carl Mays | BOS | 2.5 | 191808260_DET_BOS |
| Lefty Tyler | CHN | 1.82 | 191808252_LAN_CHN |
| Red Ames | SLN | 1.31 | 191808261_SFN_SLN |
| Eddie Cicotte | CHA | 1.3 | 191808260_CHA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -6.3 | 191808261_CLE_OAK |
| Happy Finneran | NYA | -3.6 | 191808272_BAL_NYA |
| Rudy Kallio | DET | -2.8 | 191808270_DET_BOS |
| Gene Packard | SLN | -1.92 | 191808262_SFN_SLN |
| Dave Davenport | BAL | -1.88 | 191808260_BAL_NYA |
Based on accumulated WAA for this season up to 1918-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.62 | Walter Johnson | 316 | MIN |
| +004+ | 6.17 | Scott Perry | 324.7 | OAK |
| +005+ | 6.13 | Stan Coveleski | 301.3 | CLE |
| +007+ | 4.85 | Burleigh Grimes | 254 | LAN |
| +010+ | 4.01 | Allen Sothoron | 209 | BAL |
| +013+ | 3.76 | Bullet Joe Bush | 266.7 | BOS |
| +016+ | 3.55 | Lefty Tyler | 255.3 | CHN |
| +019+ | 3.33 | Red Ames | 199 | SLN |
| +021+ | 3.28 | Carl Mays | 275.3 | BOS |
| +022+ | 3.11 | Wilbur Cooper | 255 | PIT |
| +023+ | 3 | Harry Harper | 235 | MIN |
| +028+ | 2.85 | George Mogridge | 225 | NYA |
| +047+ | 2.04 | Babe Ruth | 158 | BOS |
| +050+ | 1.9 | Hod Eller | 202 | CIN |
| +055+ | 1.79 | Frank Miller | 162.3 | PIT |
| +056+ | 1.73 | Sad Sam Jones | 166 | BOS |
| +058+ | 1.7 | Phil Douglas | 146.3 | CHN |
| +062+ | 1.63 | Speed Martin | 35.7 | CHN |
| +068+ | 1.35 | Jake Northrop | 40 | ATL |
| +070+ | 1.3 | Carmen Hill | 36.7 | PIT |
| XXXXX | 1.11 | Al Demaree | 142 | SFN |
| XXXXX | 1.08 | Rube Bressler | 128.7 | CIN |
| XXXXX | 1.06 | Bill Doak | 203 | SLN |
| XXXXX | 0.98 | Fred Toney | 204 | TOT |
| XXXXX | 0.87 | Ed Hovlik | 28 | MIN |
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