| Starter | Tm | Tier | Game |
|---|---|---|---|
| Stan Coveleski | CLE | 3.63 | 191806060_BOS_CLE |
| Wilbur Cooper | PIT | 2.05 | 191806050_PIT_SFN |
| Bullet Joe Bush | BOS | 1.35 | 191806050_BOS_CLE |
| Rube Marquard | LAN | 0.6 | 191806060_PIT_LAN |
| Red Ames | SLN | 0.47 | 191806050_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Elmer Myers | OAK | -7.78 | 191806070_OAK_CHA |
| Bernie Boland | DET | -1.89 | 191806070_MIN_DET |
| Mike Prendergast | PHI | -0.66 | 191806060_CHN_PHI |
| Harry Harper | MIN | -0.51 | 191806050_MIN_DET |
| Allen Russell | NYA | -0.44 | 191806070_NYA_BAL |
Based on accumulated WAA for this season up to 1918-06-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.03 | Stan Coveleski | 126.3 | CLE |
| +002+ | 4.46 | Walter Johnson | 117.3 | MIN |
| +003+ | 3.44 | Hippo Vaughn | 96 | CHN |
| +004+ | 3.18 | Dana Fillingim | 53 | ATL |
| +009+ | 2.21 | Red Ames | 68.3 | SLN |
| +010+ | 2.21 | Bullet Joe Bush | 100.3 | BOS |
| +013+ | 2.11 | Red Faber | 62.7 | CHA |
| +014+ | 2.09 | Scott Perry | 121.7 | OAK |
| +017+ | 1.76 | Frank Shellenback | 47.3 | CHA |
| +018+ | 1.73 | Urban Shocker | 60 | BAL |
| +019+ | 1.67 | Bill Sherdel | 59.7 | SLN |
| +022+ | 1.58 | Hank Thormahlen | 74.3 | NYA |
| +030+ | 1.35 | Bunny Hearn | 91 | ATL |
| XXXXX | 1.21 | Jeff Tesreau | 71.3 | SFN |
| XXXXX | 1.21 | Brad Hogg | 69.7 | PHI |
| XXXXX | 1.03 | Wilbur Cooper | 75 | PIT |
| XXXXX | 0.98 | Frank Miller | 68 | PIT |
| XXXXX | 0.81 | Lefty Tyler | 81.7 | CHN |
| XXXXX | 0.78 | Hod Eller | 74 | CIN |
| XXXXX | 0.74 | Eddie Cicotte | 87.3 | CHA |
| XXXXX | 0.7 | Hooks Dauss | 71 | DET |
| XXXXX | 0.65 | Grover Lowdermilk | 62.7 | BAL |
| XXXXX | 0.63 | Fred Toney | 59.3 | CIN |
| XXXXX | 0.6 | Erskine Mayer | 92.3 | PHI |
| XXXXX | 0.6 | Leon Cadore | 9 | LAN |
_