| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hippo Vaughn | CHN | 7.26 | 191807130_ATL_CHN |
| Bullet Joe Bush | BOS | 2.31 | 191807130_CHA_BOS |
| Pol Perritt | SFN | 1.62 | 191807131_SFN_PIT |
| Wilbur Cooper | PIT | 1.33 | 191807131_SFN_PIT |
| Red Ames | SLN | 0.87 | 191807141_ATL_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill James | DET | -3.7 | 191807130_DET_MIN |
| Hugh Canavan | ATL | -2 | 191807130_ATL_CHN |
| Elmer Jacobs | PHI | -1.97 | 191807120_PHI_SLN |
| Jim Shaw | MIN | -1.78 | 191807120_DET_MIN |
| Pete Schneider | CIN | -1.52 | 191807132_LAN_CIN |
Based on accumulated WAA for this season up to 1918-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.49 | Walter Johnson | 203.3 | MIN |
| +002+ | 5.18 | Stan Coveleski | 207.7 | CLE |
| +004+ | 4.64 | Hippo Vaughn | 186.3 | CHN |
| +007+ | 3.63 | Carl Mays | 183.3 | BOS |
| +009+ | 3.08 | Bullet Joe Bush | 184.7 | BOS |
| +013+ | 2.81 | Scott Perry | 206.3 | OAK |
| +014+ | 2.73 | Phil Douglas | 78.3 | CHN |
| +020+ | 2.23 | Rube Marquard | 158 | LAN |
| +022+ | 2.2 | Pol Perritt | 130.3 | SFN |
| +027+ | 2.13 | Allen Sothoron | 139 | BAL |
| +028+ | 2.04 | Burleigh Grimes | 148.7 | LAN |
| +029+ | 2.03 | Jimmy Ring | 47 | CIN |
| +034+ | 1.93 | Al Demaree | 119.7 | SFN |
| +036+ | 1.92 | Red Ames | 132.3 | SLN |
| +038+ | 1.74 | Harry Harper | 150.3 | MIN |
| +041+ | 1.65 | Eddie Cicotte | 170.3 | CHA |
| +042+ | 1.65 | Lefty Tyler | 162.7 | CHN |
| +043+ | 1.64 | Frank Shellenback | 114.3 | CHA |
| +047+ | 1.59 | Guy Morton | 148.7 | CLE |
| +052+ | 1.41 | Wilbur Cooper | 161 | PIT |
| XXXXX | 1.14 | Dick Rudolph | 78.3 | ATL |
| XXXXX | 1.05 | Paul Carter | 45.7 | CHN |
| XXXXX | 1 | Bernie Boland | 128 | DET |
| XXXXX | 0.99 | George Mogridge | 133 | NYA |
| XXXXX | 0.89 | Claude Hendrix | 144.3 | CHN |
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