| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 5.18 | 191304190_BOS_OAK |
| Vean Gregg | CLE | 4.7 | 191304200_CLE_CHA |
| Walter Johnson | MIN | 4.43 | 191304190_MIN_NYA |
| Nap Rucker | LAN | 4.23 | 191304180_PHI_LAN |
| Ed Walsh | CHA | 3.73 | 191304200_CLE_CHA |
| 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 1913-04-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.5 | Vean Gregg | 27 | CLE |
| XXXXX | 1.23 | Tom Seaton | 18 | PHI |
| XXXXX | 1.23 | Carl Weilman | 27 | BAL |
| XXXXX | 1.22 | Eddie Cicotte | 17 | CHA |
| XXXXX | 1.06 | George Mullin | 27 | DET |
| XXXXX | 1.02 | Walter Johnson | 18 | MIN |
| XXXXX | 1 | Hub Perdue | 18 | ATL |
| XXXXX | 0.95 | Nap Rucker | 17 | LAN |
| XXXXX | 0.87 | Larry Cheney | 28 | CHN |
| XXXXX | 0.86 | Cy Falkenberg | 18 | CLE |
| XXXXX | 0.84 | Jean Dubuc | 18 | DET |
| XXXXX | 0.72 | Ray Keating | 16 | NYA |
| XXXXX | 0.69 | Slim Sallee | 15.7 | SLN |
| XXXXX | 0.67 | Pat Ragan | 19 | LAN |
| XXXXX | 0.66 | Jim Scott | 15 | CHA |
| XXXXX | 0.66 | Chief Johnson | 11 | CIN |
| XXXXX | 0.62 | Babe Adams | 18 | PIT |
| XXXXX | 0.62 | Ad Brennan | 9 | PHI |
| XXXXX | 0.51 | Red Ames | 17 | SFN |
| XXXXX | 0.51 | George McConnell | 16 | NYA |
| XXXXX | 0.42 | Joe Lake | 9 | DET |
| XXXXX | 0.35 | Marc Hall | 11 | DET |
| XXXXX | 0.25 | Christy Mathewson | 10 | SFN |
| XXXXX | 0.2 | Frank Allen | 9 | LAN |
| XXXXX | 0.2 | Roy Mitchell | 9 | BAL |
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