| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 15.1 | 191807070_BAL_MIN |
| Hippo Vaughn | CHN | 7.57 | 191807060_SFN_CHN |
| Eddie Cicotte | CHA | 2.77 | 191807061_CHA_NYA |
| Rube Marquard | LAN | 2.07 | 191807071_LAN_SLN |
| Babe Ruth | BOS | 1.69 | 191807050_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Shaw | MIN | -2.55 | 191807050_NYA_MIN |
| Jakie May | SLN | -1.58 | 191807050_CHN_SLN |
| Bill Bailey | DET | -1.25 | 191807062_DET_OAK |
| Pete Schneider | CIN | -0.89 | 191807060_PHI_CIN |
| Elmer Jacobs | PHI | -0.85 | 191807060_PHI_CIN |
Based on accumulated WAA for this season up to 1918-07-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.26 | Walter Johnson | 194.3 | MIN |
| +002+ | 5.4 | Hippo Vaughn | 170 | CHN |
| +004+ | 4.04 | Stan Coveleski | 189.3 | CLE |
| +008+ | 2.96 | Carl Mays | 165.3 | BOS |
| +009+ | 2.92 | Burleigh Grimes | 135.7 | LAN |
| +010+ | 2.84 | Scott Perry | 192.3 | OAK |
| +017+ | 2.45 | Phil Douglas | 64.7 | CHN |
| +021+ | 2.38 | Red Ames | 114.3 | SLN |
| +020+ | 2.38 | Dana Fillingim | 105 | ATL |
| +023+ | 2.22 | Bullet Joe Bush | 163.7 | BOS |
| +024+ | 2.21 | Al Demaree | 102.7 | SFN |
| +025+ | 2.17 | Rube Marquard | 150 | LAN |
| +034+ | 1.94 | Lefty Tyler | 142 | CHN |
| +035+ | 1.9 | Eddie Cicotte | 160.3 | CHA |
| +039+ | 1.7 | Brad Hogg | 125.7 | PHI |
| +040+ | 1.67 | Allen Sothoron | 130 | BAL |
| +042+ | 1.59 | Joe Oeschger | 113.7 | PHI |
| +044+ | 1.55 | Pol Perritt | 115.3 | SFN |
| +045+ | 1.49 | Frank Shellenback | 100.3 | CHA |
| +055+ | 1.25 | Jimmy Ring | 29 | CIN |
| XXXXX | 1.12 | Roy Sanders | 102.3 | PIT |
| XXXXX | 1.11 | Harry Harper | 135 | MIN |
| XXXXX | 1.07 | Guy Morton | 132.7 | CLE |
| XXXXX | 0.97 | Bob Geary | 73 | OAK |
| XXXXX | 0.92 | Hooks Dauss | 139 | DET |
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