| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 7.71 | 191808181_ATL_CHN |
| Burleigh Grimes | LAN | 2.24 | 191808171_LAN_PIT |
| Scott Perry | OAK | 2.16 | 191808172_DET_OAK |
| Eddie Cicotte | CHA | 1.98 | 191808160_CHA_BOS |
| Harry Harper | MIN | 1.85 | 191808160_DET_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Coombs | LAN | -3.61 | 191808181_LAN_CIN |
| Dave Davenport | BAL | -3.35 | 191808160_BAL_OAK |
| Lee Meadows | SLN | -2.98 | 191808182_PHI_SLN |
| Happy Finneran | NYA | -2.23 | 191808160_CLE_NYA |
| Pete Schneider | CIN | -1.79 | 191808160_SFN_CIN |
Based on accumulated WAA for this season up to 1918-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.62 | Walter Johnson | 293 | MIN |
| +002+ | 6.4 | Hippo Vaughn | 267.3 | CHN |
| +003+ | 5.71 | Stan Coveleski | 280.3 | CLE |
| +006+ | 5.09 | Burleigh Grimes | 240 | LAN |
| +007+ | 4.78 | Scott Perry | 296.7 | OAK |
| +010+ | 4 | Allen Sothoron | 202 | BAL |
| +014+ | 3.35 | Carl Mays | 257.3 | BOS |
| +016+ | 3.24 | Lefty Tyler | 237.3 | CHN |
| +017+ | 3.19 | Bullet Joe Bush | 248.7 | BOS |
| +019+ | 2.97 | Harry Harper | 221 | MIN |
| +027+ | 2.75 | Wilbur Cooper | 237 | PIT |
| +028+ | 2.73 | Eddie Cicotte | 242 | CHA |
| +030+ | 2.64 | Red Ames | 182 | SLN |
| +032+ | 2.55 | Hod Eller | 183 | CIN |
| +034+ | 2.45 | Babe Ruth | 142 | BOS |
| +054+ | 1.71 | George Mogridge | 200.3 | NYA |
| +056+ | 1.67 | Eddie Matteson | 55 | MIN |
| +057+ | 1.6 | Phil Douglas | 138.3 | CHN |
| +059+ | 1.59 | Red Causey | 127.3 | SFN |
| +066+ | 1.37 | Sad Sam Jones | 148 | BOS |
| +069+ | 1.3 | Oscar Tuero | 30.7 | SLN |
| XXXXX | 1.18 | Brad Hogg | 198 | PHI |
| XXXXX | 1.16 | Frank Miller | 146.3 | PIT |
| XXXXX | 1.16 | Guy Morton | 205.7 | CLE |
| XXXXX | 1.09 | Rube Bressler | 128.7 | CIN |
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