| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 4.82 | 191308010_SFN_CHN |
| Eddie Cicotte | CHA | 3.5 | 191307310_CHA_NYA |
| Eddie Plank | OAK | 2.75 | 191307310_BAL_OAK |
| Ad Brennan | PHI | 1.82 | 191307300_PHI_CIN |
| Babe Adams | PIT | 1.13 | 191308010_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.08 | 191308010_ATL_SLN |
| Jimmy Lavender | CHN | -2.46 | 191307310_SFN_CHN |
| Bob Groom | MIN | -1.73 | 191308010_DET_MIN |
| Bob Harmon | SLN | -1.24 | 191307300_ATL_SLN |
| Chief Johnson | CIN | -1.23 | 191308010_PHI_CIN |
Based on accumulated WAA for this season up to 1913-08-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.98 | Walter Johnson | 219.3 | MIN |
| +002+ | 6.64 | Jim Scott | 194.7 | CHA |
| +003+ | 5.72 | Eddie Cicotte | 162 | CHA |
| +004+ | 5.53 | Christy Mathewson | 215.7 | SFN |
| +005+ | 5.38 | Reb Russell | 220.7 | CHA |
| +011+ | 4.88 | Ad Brennan | 148.7 | PHI |
| +012+ | 4.12 | Willie Mitchell | 176 | CLE |
| +015+ | 3.85 | Chief Bender | 162.7 | OAK |
| +016+ | 3.81 | Cy Falkenberg | 192.3 | CLE |
| +017+ | 3.46 | Eddie Plank | 188.7 | OAK |
| +019+ | 3.27 | Earl Hamilton | 199 | BAL |
| +021+ | 2.9 | Tom Seaton | 198.7 | PHI |
| +024+ | 2.85 | Babe Adams | 206.7 | PIT |
| +025+ | 2.79 | Joe Boehling | 128.7 | MIN |
| +026+ | 2.73 | Rube Marquard | 178.3 | SFN |
| +036+ | 2.2 | Pete Alexander | 188.7 | PHI |
| +038+ | 2.13 | Al Demaree | 124.3 | SFN |
| +041+ | 2.05 | Ray Fisher | 166 | NYA |
| +043+ | 2.01 | Dutch Leonard | 153 | BOS |
| +050+ | 1.89 | Jeff Tesreau | 178.3 | SFN |
| +049+ | 1.89 | Fred Blanding | 124 | CLE |
| +053+ | 1.87 | Bert Humphries | 119.3 | CHN |
| +056+ | 1.75 | Ray Caldwell | 38.3 | NYA |
| +064+ | 1.56 | George Baumgardner | 166.7 | BAL |
| +072+ | 1.32 | Frank Allen | 120.3 | LAN |
_