| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Jacobs | PHI | -1.97 | 191807120_PHI_SLN |
| Mike Regan | CIN | -1.84 | 191807102_LAN_CIN |
| Jim Shaw | MIN | -1.78 | 191807120_DET_MIN |
| Jack Coombs | LAN | -1.34 | 191807101_LAN_CIN |
| Jakie May | SLN | -1.26 | 191807120_PHI_SLN |
Based on accumulated WAA for this season up to 1918-07-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.48 | Walter Johnson | 203.3 | MIN |
| +002+ | 5.16 | Stan Coveleski | 207.7 | CLE |
| +004+ | 4.69 | Hippo Vaughn | 177.3 | CHN |
| +007+ | 3.63 | Carl Mays | 183.3 | BOS |
| +009+ | 3.13 | Bullet Joe Bush | 175.7 | BOS |
| +010+ | 2.95 | Burleigh Grimes | 143.7 | LAN |
| +014+ | 2.82 | Scott Perry | 206.3 | OAK |
| +015+ | 2.73 | Phil Douglas | 78.3 | CHN |
| +021+ | 2.44 | Al Demaree | 111.7 | SFN |
| +022+ | 2.4 | Red Ames | 123.3 | SLN |
| +024+ | 2.21 | Pol Perritt | 124.3 | SFN |
| +025+ | 2.21 | Rube Marquard | 158 | LAN |
| +029+ | 2.14 | Allen Sothoron | 139 | BAL |
| +035+ | 1.91 | Lefty Tyler | 153.7 | CHN |
| +036+ | 1.86 | Jimmy Ring | 38 | CIN |
| +041+ | 1.65 | Eddie Cicotte | 170.3 | CHA |
| +042+ | 1.64 | Frank Shellenback | 114.3 | CHA |
| +045+ | 1.58 | Guy Morton | 148.7 | CLE |
| +047+ | 1.52 | Dana Fillingim | 113 | ATL |
| +049+ | 1.38 | Harry Harper | 141.3 | MIN |
| +051+ | 1.35 | Roy Sanders | 108.3 | PIT |
| XXXXX | 1.25 | Wilbur Cooper | 152 | PIT |
| XXXXX | 1.18 | Dick Rudolph | 69.3 | ATL |
| XXXXX | 1.11 | Brad Hogg | 130.7 | PHI |
| XXXXX | 1.05 | Paul Carter | 45.7 | CHN |
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