| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.2 | 191806210_MIN_NYA |
| Eddie Cicotte | CHA | 4.26 | 191806200_CLE_CHA |
| Hippo Vaughn | CHN | 4.03 | 191806220_CHN_PIT |
| Stan Coveleski | CLE | 3.98 | 191806220_CLE_CHA |
| Carl Mays | BOS | 2.41 | 191806210_OAK_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Caldwell | NYA | -2.12 | 191806220_MIN_NYA |
| Bob Steele | PIT | -1.89 | 191806210_CHN_PIT |
| Jack Coombs | LAN | -1.42 | 191806200_SFN_LAN |
| Milt Watson | PHI | -0.56 | 191806202_ATL_PHI |
| Sad Sam Jones | BOS | -0.56 | 191806201_OAK_BOS |
Based on accumulated WAA for this season up to 1918-06-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.62 | Walter Johnson | 157.3 | MIN |
| +002+ | 5.16 | Stan Coveleski | 164.7 | CLE |
| +003+ | 3.81 | Dana Fillingim | 81 | ATL |
| +005+ | 3.14 | Hippo Vaughn | 131 | CHN |
| +008+ | 2.79 | Bullet Joe Bush | 127 | BOS |
| +010+ | 2.76 | Red Faber | 80.7 | CHA |
| +020+ | 2.16 | Carl Mays | 136.7 | BOS |
| +023+ | 1.94 | Urban Shocker | 91.7 | BAL |
| +025+ | 1.83 | Frank Shellenback | 76 | CHA |
| +027+ | 1.7 | Burleigh Grimes | 107.7 | LAN |
| +032+ | 1.56 | Phil Douglas | 27 | CHN |
| +033+ | 1.53 | Eddie Cicotte | 121.3 | CHA |
| +035+ | 1.47 | Guy Morton | 109.7 | CLE |
| +037+ | 1.39 | Rube Marquard | 119 | LAN |
| +039+ | 1.33 | Scott Perry | 145.7 | OAK |
| +040+ | 1.28 | Bob Harmon | 71.7 | PIT |
| +041+ | 1.26 | Slim Sallee | 97 | SFN |
| XXXXX | 1.25 | Lefty Tyler | 115 | CHN |
| XXXXX | 1.18 | Hank Thormahlen | 88.3 | NYA |
| XXXXX | 1.06 | Red Ames | 87.3 | SLN |
| XXXXX | 1.06 | Rube Bressler | 119.7 | CIN |
| XXXXX | 1 | Al Demaree | 64 | SFN |
| XXXXX | 0.95 | Wilbur Cooper | 112 | PIT |
| XXXXX | 0.93 | Pol Perritt | 82.3 | SFN |
| XXXXX | 0.91 | Frank Miller | 88.7 | PIT |
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