| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 15.1 | 191807070_BAL_MIN |
| Hippo Vaughn | CHN | 7.57 | 191807060_SFN_CHN |
| Carl Mays | BOS | 3.89 | 191807082_CLE_BOS |
| Stan Coveleski | CLE | 2.93 | 191807081_CLE_BOS |
| Eddie Cicotte | CHA | 2.77 | 191807061_CHA_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jakie May | SLN | -1.57 | 191807072_LAN_SLN |
| Bill Bailey | DET | -1.25 | 191807062_DET_OAK |
| Allen Russell | NYA | -1.05 | 191807080_CHA_NYA |
| Pete Schneider | CIN | -0.89 | 191807060_PHI_CIN |
| Elmer Jacobs | PHI | -0.85 | 191807060_PHI_CIN |
Based on accumulated WAA for this season up to 1918-07-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.27 | Walter Johnson | 194.3 | MIN |
| +002+ | 5.42 | Hippo Vaughn | 170 | CHN |
| +003+ | 4.43 | Stan Coveleski | 198.7 | CLE |
| +008+ | 2.93 | Burleigh Grimes | 135.7 | LAN |
| +009+ | 2.91 | Carl Mays | 174.3 | BOS |
| +011+ | 2.86 | Scott Perry | 192.3 | OAK |
| +018+ | 2.46 | Phil Douglas | 64.7 | CHN |
| +020+ | 2.39 | Dana Fillingim | 105 | ATL |
| +021+ | 2.39 | Red Ames | 114.3 | SLN |
| +022+ | 2.23 | Al Demaree | 102.7 | SFN |
| +023+ | 2.22 | Bullet Joe Bush | 163.7 | BOS |
| +024+ | 2.18 | Rube Marquard | 150 | LAN |
| +027+ | 2.16 | Pol Perritt | 124.3 | SFN |
| +035+ | 1.92 | Eddie Cicotte | 160.3 | CHA |
| +037+ | 1.89 | Lefty Tyler | 151 | CHN |
| +039+ | 1.73 | Brad Hogg | 125.7 | PHI |
| +041+ | 1.68 | Allen Sothoron | 130 | BAL |
| +043+ | 1.65 | Guy Morton | 141.7 | CLE |
| +047+ | 1.37 | Frank Shellenback | 108.3 | CHA |
| +049+ | 1.3 | Roy Sanders | 108.3 | PIT |
| +052+ | 1.25 | Jimmy Ring | 29 | CIN |
| XXXXX | 1.13 | Joe Oeschger | 116 | PHI |
| XXXXX | 1.12 | Harry Harper | 135 | MIN |
| XXXXX | 0.95 | Hooks Dauss | 139 | DET |
| XXXXX | 0.9 | George Mogridge | 123 | NYA |
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