| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 11.08 | 191807200_CHA_MIN |
| Stan Coveleski | CLE | 5.02 | 191807211_OAK_CLE |
| Carl Mays | BOS | 4.91 | 191807190_DET_BOS |
| Eddie Cicotte | CHA | 2.61 | 191807210_CHA_MIN |
| Lefty Tyler | CHN | 1.79 | 191807210_LAN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Coombs | LAN | -3.16 | 191807210_LAN_CHN |
| Hugh Canavan | ATL | -2.47 | 191807212_ATL_CIN |
| Jakie May | SLN | -1.59 | 191807200_SFN_SLN |
| Bill Bailey | DET | -1.34 | 191807190_DET_BOS |
| Pete Schneider | CIN | -1.31 | 191807200_ATL_CIN |
Based on accumulated WAA for this season up to 1918-07-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.89 | Walter Johnson | 223.3 | MIN |
| +002+ | 5.72 | Stan Coveleski | 236.7 | CLE |
| +005+ | 4.79 | Hippo Vaughn | 203.3 | CHN |
| +006+ | 4.64 | Carl Mays | 201.3 | BOS |
| +007+ | 3.72 | Bullet Joe Bush | 193.7 | BOS |
| +009+ | 3.38 | Burleigh Grimes | 171 | LAN |
| +012+ | 3.07 | Allen Sothoron | 155 | BAL |
| +013+ | 2.99 | Scott Perry | 230.3 | OAK |
| +022+ | 2.4 | Eddie Cicotte | 187.3 | CHA |
| +027+ | 2.26 | Red Ames | 141.3 | SLN |
| +030+ | 2.23 | Slim Sallee | 131 | SFN |
| +032+ | 2.17 | Lefty Tyler | 188.3 | CHN |
| +034+ | 2.14 | Phil Douglas | 94.3 | CHN |
| +035+ | 2.11 | Pol Perritt | 145.3 | SFN |
| +036+ | 2.05 | Rube Marquard | 173 | LAN |
| +038+ | 2.02 | Al Demaree | 121.3 | SFN |
| +044+ | 1.62 | Wilbur Cooper | 182 | PIT |
| +050+ | 1.48 | Harry Harper | 156.3 | MIN |
| +051+ | 1.47 | Sad Sam Jones | 118 | BOS |
| +053+ | 1.39 | Bernie Boland | 137 | DET |
| +055+ | 1.31 | Paul Carter | 51 | CHN |
| XXXXX | 1.18 | Jimmy Ring | 56.7 | CIN |
| XXXXX | 1.04 | Guy Morton | 163.7 | CLE |
| XXXXX | 0.97 | Frank Shellenback | 126 | CHA |
| XXXXX | 0.95 | Red Causey | 82.3 | SFN |
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