| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.81 | 191309012_MIN_OAK |
| Jim Scott | CHA | 5.19 | 191309021_CHA_CLE |
| Chief Bender | OAK | 1.23 | 191309011_MIN_OAK |
| Fred Blanding | CLE | 1.08 | 191309022_CHA_CLE |
| Babe Adams | PIT | 1.03 | 191309011_CIN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Griner | SLN | -9.84 | 191309022_CHN_SLN |
| Otto Hess | ATL | -3.26 | 191309011_ATL_SFN |
| George Suggs | CIN | -1.79 | 191308312_SLN_CIN |
| Earl Moore | CHN | -1.5 | 191309021_CHN_SLN |
| Al Schulz | NYA | -0.96 | 191309011_NYA_BOS |
Based on accumulated WAA for this season up to 1913-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.19 | Walter Johnson | 287.7 | MIN |
| +002+ | 8.15 | Jim Scott | 264.3 | CHA |
| +003+ | 7.51 | Eddie Cicotte | 226.3 | CHA |
| +005+ | 6.66 | Reb Russell | 275.7 | CHA |
| +015+ | 4.55 | Chief Bender | 213.7 | OAK |
| +017+ | 4.41 | Christy Mathewson | 257.7 | SFN |
| +019+ | 4.11 | Babe Adams | 269.7 | PIT |
| +021+ | 4.06 | Joe Boehling | 188.7 | MIN |
| +022+ | 4.04 | Cy Falkenberg | 237.3 | CLE |
| +023+ | 4 | Ray Caldwell | 98.3 | NYA |
| +026+ | 3.7 | Vean Gregg | 241.3 | CLE |
| +029+ | 3.38 | Dutch Leonard | 208.7 | BOS |
| +032+ | 3.28 | Fred Blanding | 179.3 | CLE |
| +034+ | 3.1 | Jeff Tesreau | 229.7 | SFN |
| +033+ | 3.1 | Eddie Plank | 214 | OAK |
| +041+ | 2.77 | Al Demaree | 167.3 | SFN |
| +049+ | 2.41 | Hooks Dauss | 180.3 | DET |
| +052+ | 2.27 | Larry Cheney | 257 | CHN |
| +053+ | 2.17 | Tom Seaton | 251.7 | PHI |
| +055+ | 2.15 | Bill Steen | 95.3 | CLE |
| +057+ | 2.06 | Rube Marquard | 239 | SFN |
| +059+ | 2.05 | Bob Shawkey | 68 | OAK |
| +065+ | 1.89 | Russ Ford | 196.3 | NYA |
| +068+ | 1.77 | George Baumgardner | 220 | BAL |
| +069+ | 1.74 | George Pierce | 125.3 | CHN |
_