| Starter | Tm | Tier | Game |
|---|---|---|---|
| Willie Adams | OAK | -5.84 | 191808072_OAK_BAL |
| Jack Coombs | LAN | -4.3 | 191808060_CHN_LAN |
| Gene Packard | SLN | -2.21 | 191808070_SLN_ATL |
| Pete Schneider | CIN | -1.39 | 191808071_CIN_SFN |
| Milt Watson | PHI | -1.17 | 191808070_PIT_PHI |
Based on accumulated WAA for this season up to 1918-08-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.82 | Walter Johnson | 268 | MIN |
| +002+ | 6.12 | Stan Coveleski | 268.3 | CLE |
| +003+ | 6.09 | Hippo Vaughn | 241.3 | CHN |
| +007+ | 3.89 | Burleigh Grimes | 213 | LAN |
| +008+ | 3.85 | Scott Perry | 266.7 | OAK |
| +010+ | 3.62 | Carl Mays | 239.3 | BOS |
| +012+ | 3.55 | Allen Sothoron | 193 | BAL |
| +013+ | 3.55 | Red Ames | 168.7 | SLN |
| +014+ | 3.52 | Harry Harper | 195.3 | MIN |
| +017+ | 3.18 | Bullet Joe Bush | 229.7 | BOS |
| +026+ | 2.64 | Lefty Tyler | 210.7 | CHN |
| +028+ | 2.54 | Eddie Cicotte | 225 | CHA |
| +034+ | 2.33 | Wilbur Cooper | 217 | PIT |
| +036+ | 2.27 | Rube Marquard | 204.3 | LAN |
| +040+ | 2.16 | Red Causey | 118.7 | SFN |
| +043+ | 2.11 | Phil Douglas | 117.7 | CHN |
| +045+ | 2 | Babe Ruth | 124 | BOS |
| +049+ | 1.75 | Dick Rudolph | 117 | ATL |
| +051+ | 1.7 | Jim Bagby | 229 | CLE |
| +054+ | 1.61 | Eddie Matteson | 36 | MIN |
| +062+ | 1.47 | Frank Shellenback | 156.3 | CHA |
| +065+ | 1.42 | Al Demaree | 139.3 | SFN |
| +070+ | 1.32 | Sad Sam Jones | 139 | BOS |
| +074+ | 1.29 | Paul Carter | 65.7 | CHN |
| +075+ | 1.28 | Brad Hogg | 182.3 | PHI |
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