| 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 |
| Otto Hess | ATL | -2.37 | 191305010_ATL_LAN |
| Chief Johnson | CIN | -0.78 | 191305010_CIN_CHN |
| Boardwalk Brown | OAK | -0.6 | 191305010_OAK_NYA |
| Al Schulz | NYA | -0.39 | 191304300_BOS_NYA |
Based on accumulated WAA for this season up to 1913-05-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.37 | Walter Johnson | 37 | MIN |
| +002+ | 1.91 | Cy Falkenberg | 36 | CLE |
| +003+ | 1.84 | Vean Gregg | 44 | CLE |
| +004+ | 1.72 | Ray Keating | 33 | NYA |
| +006+ | 1.43 | Jim Scott | 33 | CHA |
| +009+ | 1.36 | Eddie Cicotte | 35 | CHA |
| XXXXX | 1.16 | Christy Mathewson | 32 | SFN |
| XXXXX | 1.13 | Tom Seaton | 40 | PHI |
| XXXXX | 1.09 | Pete Alexander | 20 | PHI |
| XXXXX | 1.03 | Bill Steele | 18 | SLN |
| XXXXX | 1.02 | Eddie Plank | 33.3 | OAK |
| XXXXX | 0.94 | Frank Allen | 30.7 | LAN |
| XXXXX | 0.91 | Bill James | 33 | ATL |
| XXXXX | 0.8 | Jean Dubuc | 36 | DET |
| XXXXX | 0.79 | Dwight Stone | 23.3 | BAL |
| XXXXX | 0.79 | Eddie Stack | 18.7 | LAN |
| XXXXX | 0.74 | Earl Hamilton | 25.7 | BAL |
| XXXXX | 0.73 | Nap Rucker | 40.3 | LAN |
| XXXXX | 0.67 | Reb Russell | 31 | CHA |
| XXXXX | 0.64 | Al Demaree | 19 | SFN |
| XXXXX | 0.64 | Larry Cheney | 42.7 | CHN |
| XXXXX | 0.63 | Fred Blanding | 9 | CLE |
| XXXXX | 0.62 | Dutch Leonard | 29.3 | BOS |
| XXXXX | 0.6 | George Baumgardner | 29.7 | BAL |
| XXXXX | 0.55 | Carl Weilman | 44 | BAL |
_