| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.34 | 191807160_CLE_MIN |
| Hippo Vaughn | CHN | 5.64 | 191807180_LAN_CHN |
| Stan Coveleski | CLE | 4.4 | 191807180_CLE_MIN |
| Eddie Cicotte | CHA | 2.38 | 191807181_CHA_OAK |
| Bullet Joe Bush | BOS | 2.14 | 191807171_BAL_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dave Davenport | BAL | -4.05 | 191807180_BAL_BOS |
| Elmer Jacobs | PHI | -3.07 | 191807180_PHI_PIT |
| Bill James | DET | -2.76 | 191807181_DET_NYA |
| Jack Coombs | LAN | -2.2 | 191807160_LAN_PIT |
| Jim Shaw | MIN | -2.08 | 191807180_CLE_MIN |
Based on accumulated WAA for this season up to 1918-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.55 | Walter Johnson | 214.3 | MIN |
| +002+ | 5.52 | Stan Coveleski | 225.7 | CLE |
| +004+ | 4.81 | Hippo Vaughn | 203.3 | CHN |
| +006+ | 4.09 | Carl Mays | 192.3 | BOS |
| +007+ | 3.76 | Bullet Joe Bush | 193.7 | BOS |
| +011+ | 3.11 | Burleigh Grimes | 166.3 | LAN |
| +012+ | 3.1 | Scott Perry | 226.3 | OAK |
| +015+ | 2.73 | Lefty Tyler | 183.7 | CHN |
| +018+ | 2.59 | Slim Sallee | 123 | SFN |
| +019+ | 2.5 | Allen Sothoron | 146 | BAL |
| +024+ | 2.33 | Pol Perritt | 138.3 | SFN |
| +030+ | 2.09 | Eddie Cicotte | 179.3 | CHA |
| +031+ | 2.07 | Phil Douglas | 86.3 | CHN |
| +032+ | 2.06 | Al Demaree | 121.3 | SFN |
| +033+ | 2.03 | Jimmy Ring | 47 | CIN |
| +036+ | 1.95 | Red Ames | 132.3 | SLN |
| +038+ | 1.83 | Rube Marquard | 166 | LAN |
| +040+ | 1.76 | Wilbur Cooper | 174 | PIT |
| +049+ | 1.49 | Harry Harper | 156.3 | MIN |
| +052+ | 1.43 | Guy Morton | 155.7 | CLE |
| +053+ | 1.42 | Frank Shellenback | 120 | CHA |
| +054+ | 1.39 | Bernie Boland | 137 | DET |
| XXXXX | 1.11 | Sad Sam Jones | 109 | BOS |
| XXXXX | 0.98 | Paul Carter | 45.7 | CHN |
| XXXXX | 0.95 | Hank Thormahlen | 95.3 | NYA |
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