| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.5 | 191807310_MIN_CHA |
| Hippo Vaughn | CHN | 6.23 | 191808010_CHN_SFN |
| Stan Coveleski | CLE | 5.34 | 191808020_BOS_CLE |
| Carl Mays | BOS | 4.02 | 191808020_BOS_CLE |
| Pol Perritt | SFN | 1.02 | 191808020_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Coombs | LAN | -5.73 | 191808010_CIN_LAN |
| Willie Adams | OAK | -3.27 | 191807310_OAK_CLE |
| Jakie May | SLN | -3.07 | 191807312_SLN_LAN |
| Ray Caldwell | NYA | -1.81 | 191808010_NYA_DET |
| Elmer Jacobs | PHI | -1.73 | 191808011_SLN_PHI |
Based on accumulated WAA for this season up to 1918-08-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.8 | Walter Johnson | 250 | MIN |
| +002+ | 5.83 | Stan Coveleski | 254.7 | CLE |
| +003+ | 5.72 | Hippo Vaughn | 230.3 | CHN |
| +006+ | 4.32 | Bullet Joe Bush | 221.7 | BOS |
| +011+ | 3.45 | Allen Sothoron | 178 | BAL |
| +012+ | 3.35 | Carl Mays | 229.3 | BOS |
| +014+ | 3.09 | Scott Perry | 253.3 | OAK |
| +015+ | 3.05 | Harry Harper | 186.3 | MIN |
| +019+ | 2.8 | Red Ames | 159.7 | SLN |
| +021+ | 2.77 | Lefty Tyler | 207 | CHN |
| +023+ | 2.72 | Burleigh Grimes | 195 | LAN |
| +025+ | 2.66 | Rube Marquard | 194 | LAN |
| +028+ | 2.46 | Bernie Boland | 157 | DET |
| +030+ | 2.42 | Eddie Cicotte | 205.3 | CHA |
| +038+ | 2.05 | Phil Douglas | 105.7 | CHN |
| +039+ | 1.92 | Wilbur Cooper | 208 | PIT |
| +045+ | 1.78 | Pol Perritt | 166.3 | SFN |
| +047+ | 1.69 | Red Causey | 100.3 | SFN |
| +048+ | 1.69 | Al Demaree | 129.3 | SFN |
| +051+ | 1.61 | Eddie Matteson | 33 | MIN |
| +055+ | 1.41 | Reb Russell | 91 | CHA |
| XXXXX | 1.22 | Brad Hogg | 164.3 | PHI |
| XXXXX | 1.08 | Dick Rudolph | 108 | ATL |
| XXXXX | 0.91 | Paul Carter | 57.7 | CHN |
| XXXXX | 0.91 | Babe Ruth | 103 | BOS |
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