| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.5 | 191806170_MIN_CHA |
| Hippo Vaughn | CHN | 4.36 | 191806180_CHN_LAN |
| Stan Coveleski | CLE | 4.3 | 191806170_OAK_CLE |
| Carl Mays | BOS | 1.96 | 191806170_BOS_BAL |
| Dana Fillingim | ATL | 1.41 | 191806180_SLN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -2.76 | 191806190_MIN_NYA |
| Bernie Boland | DET | -1.63 | 191806182_DET_BAL |
| Allen Russell | NYA | -0.95 | 191806190_MIN_NYA |
| Erskine Mayer | PHI | -0.64 | 191806170_PIT_PHI |
| Tom Rogers | BAL | -0.62 | 191806190_DET_BAL |
Based on accumulated WAA for this season up to 1918-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.8 | Walter Johnson | 144.3 | MIN |
| +002+ | 5.15 | Stan Coveleski | 152.3 | CLE |
| +003+ | 4.03 | Dana Fillingim | 72 | ATL |
| +007+ | 2.74 | Bullet Joe Bush | 127 | BOS |
| +008+ | 2.73 | Red Faber | 80.7 | CHA |
| +009+ | 2.68 | Hippo Vaughn | 122 | CHN |
| +012+ | 2.42 | Frank Shellenback | 72.3 | CHA |
| +023+ | 1.89 | Eddie Cicotte | 114.3 | CHA |
| +027+ | 1.69 | Urban Shocker | 82 | BAL |
| +030+ | 1.54 | Phil Douglas | 27 | CHN |
| +031+ | 1.52 | Carl Mays | 127.7 | BOS |
| +032+ | 1.47 | Guy Morton | 103.7 | CLE |
| +033+ | 1.46 | Pol Perritt | 78.3 | SFN |
| +035+ | 1.36 | Brad Hogg | 98 | PHI |
| +038+ | 1.35 | Scott Perry | 137.7 | OAK |
| +040+ | 1.28 | Lefty Tyler | 107 | CHN |
| +041+ | 1.25 | Bob Harmon | 71.7 | PIT |
| XXXXX | 1.17 | Hank Thormahlen | 88.3 | NYA |
| XXXXX | 1.08 | Bunny Hearn | 114 | ATL |
| XXXXX | 1.08 | Burleigh Grimes | 98.7 | LAN |
| XXXXX | 0.99 | Rube Bressler | 119.7 | CIN |
| XXXXX | 0.96 | Art Nehf | 128.3 | ATL |
| XXXXX | 0.96 | Al Demaree | 64 | SFN |
| XXXXX | 0.88 | Frank Miller | 88.7 | PIT |
| XXXXX | 0.88 | Leon Cadore | 17 | LAN |
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