| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 5.18 | 191304190_BOS_OAK |
| Walter Johnson | MIN | 4.43 | 191304190_MIN_NYA |
| Nap Rucker | LAN | 4.23 | 191304180_PHI_LAN |
| Christy Mathewson | SFN | 4.09 | 191304170_SFN_ATL |
| Slim Sallee | SLN | 2.22 | 191304180_CHN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -4.64 | 191304180_SFN_ATL |
| Ralph Works | CIN | -2.62 | 191304190_CIN_PIT |
| Ray Fisher | NYA | -1.47 | 191304180_MIN_NYA |
| Bill Steen | CLE | -1.39 | 191304180_CLE_CHA |
| Boardwalk Brown | OAK | -0.77 | 191304180_BOS_OAK |
Based on accumulated WAA for this season up to 1913-04-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.3 | Carl Weilman | 27 | BAL |
| +002+ | 1.26 | Tom Seaton | 18 | PHI |
| XXXXX | 1.1 | Vean Gregg | 18 | CLE |
| XXXXX | 1.05 | Walter Johnson | 18 | MIN |
| XXXXX | 1.02 | Hub Perdue | 18 | ATL |
| XXXXX | 0.98 | Nap Rucker | 17 | LAN |
| XXXXX | 0.91 | Jean Dubuc | 18 | DET |
| XXXXX | 0.89 | Cy Falkenberg | 18 | CLE |
| XXXXX | 0.81 | Eddie Cicotte | 11 | CHA |
| XXXXX | 0.74 | Ray Keating | 16 | NYA |
| XXXXX | 0.7 | Pat Ragan | 19 | LAN |
| XXXXX | 0.69 | Larry Cheney | 22 | CHN |
| XXXXX | 0.68 | Jim Scott | 15 | CHA |
| XXXXX | 0.65 | Chief Johnson | 11 | CIN |
| XXXXX | 0.63 | Ad Brennan | 9 | PHI |
| XXXXX | 0.62 | Slim Sallee | 14.3 | SLN |
| XXXXX | 0.61 | Babe Adams | 18 | PIT |
| XXXXX | 0.55 | George Mullin | 16 | DET |
| XXXXX | 0.53 | George McConnell | 16 | NYA |
| XXXXX | 0.53 | Red Ames | 17 | SFN |
| XXXXX | 0.45 | Joe Lake | 9 | DET |
| XXXXX | 0.39 | Marc Hall | 11 | DET |
| XXXXX | 0.27 | Christy Mathewson | 10 | SFN |
| XXXXX | 0.22 | Roy Mitchell | 9 | BAL |
| XXXXX | 0.21 | Eddie Plank | 15 | OAK |
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