| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 6.84 | 191304300_MIN_OAK |
| Vean Gregg | CLE | 5.56 | 191304300_CLE_BAL |
| Eddie Plank | OAK | 5.09 | 191304300_MIN_OAK |
| Nap Rucker | LAN | 4.77 | 191304290_SFN_LAN |
| Christy Mathewson | SFN | 4.21 | 191304290_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -2.4 | 191304300_SLN_PIT |
| Fred Toney | CHN | -0.4 | 191304280_PIT_CHN |
| Al Schulz | NYA | -0.39 | 191304300_BOS_NYA |
| Ad Brennan | PHI | -0.32 | 191304300_PHI_ATL |
| Bill Powell | CIN | -0.28 | 191304280_CIN_SLN |
Based on accumulated WAA for this season up to 1913-04-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.33 | Walter Johnson | 37 | MIN |
| +002+ | 1.83 | Vean Gregg | 44 | CLE |
| +003+ | 1.47 | Cy Falkenberg | 27 | CLE |
| +005+ | 1.42 | Jim Scott | 33 | CHA |
| +008+ | 1.36 | Ray Keating | 25 | NYA |
| +009+ | 1.35 | Eddie Cicotte | 35 | CHA |
| XXXXX | 1.21 | George Mullin | 36 | DET |
| XXXXX | 1.11 | Christy Mathewson | 32 | SFN |
| XXXXX | 1.09 | Reb Russell | 22 | CHA |
| XXXXX | 1.06 | Tom Seaton | 40 | PHI |
| XXXXX | 1.02 | Bill Steele | 18 | SLN |
| XXXXX | 1.01 | Eddie Plank | 33.3 | OAK |
| XXXXX | 0.93 | Frank Allen | 30.7 | LAN |
| XXXXX | 0.87 | Bill James | 33 | ATL |
| XXXXX | 0.79 | Jean Dubuc | 36 | DET |
| XXXXX | 0.78 | Dwight Stone | 23.3 | BAL |
| XXXXX | 0.73 | Earl Hamilton | 25.7 | BAL |
| XXXXX | 0.71 | Nap Rucker | 40.3 | LAN |
| XXXXX | 0.63 | Fred Blanding | 9 | CLE |
| XXXXX | 0.62 | Larry Cheney | 42.7 | CHN |
| XXXXX | 0.62 | Eddie Stack | 9.7 | LAN |
| XXXXX | 0.61 | Dutch Leonard | 29.3 | BOS |
| XXXXX | 0.61 | Al Demaree | 19 | SFN |
| XXXXX | 0.59 | George Baumgardner | 29.7 | BAL |
| XXXXX | 0.58 | Pete Alexander | 11 | PHI |
_