| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.92 | 191309052_NYA_MIN |
| Eddie Cicotte | CHA | 5.06 | 191309050_CHA_BAL |
| Christy Mathewson | SFN | 1.55 | 191309030_ATL_SFN |
| Babe Adams | PIT | 1.27 | 191309030_CIN_PIT |
| Ray Caldwell | NYA | 1.09 | 191309030_NYA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pol Perritt | SLN | -8.47 | 191309052_SLN_PIT |
| George Chalmers | PHI | -1.87 | 191309032_PHI_LAN |
| Bert Gallia | MIN | -1.63 | 191309040_NYA_MIN |
| Al Schulz | NYA | -1.24 | 191309051_NYA_MIN |
| Byron Houck | OAK | -0.57 | 191309042_BOS_OAK |
Based on accumulated WAA for this season up to 1913-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.92 | Walter Johnson | 298.7 | MIN |
| +002+ | 8.07 | Eddie Cicotte | 235.3 | CHA |
| +003+ | 8.01 | Jim Scott | 266.7 | CHA |
| +005+ | 7.13 | Reb Russell | 283.7 | CHA |
| +016+ | 4.5 | Christy Mathewson | 265.7 | SFN |
| +017+ | 4.48 | Chief Bender | 216.7 | OAK |
| +018+ | 4.38 | Joe Boehling | 196.7 | MIN |
| +021+ | 4.07 | Babe Adams | 278.7 | PIT |
| +022+ | 4.01 | Vean Gregg | 253.3 | CLE |
| +023+ | 3.93 | Cy Falkenberg | 237.3 | CLE |
| +025+ | 3.79 | Ray Caldwell | 107.3 | NYA |
| +027+ | 3.48 | Jeff Tesreau | 238.7 | SFN |
| +033+ | 3.3 | Al Demaree | 175.3 | SFN |
| +034+ | 3.27 | Fred Blanding | 183.3 | CLE |
| +038+ | 2.96 | Dutch Leonard | 215.3 | BOS |
| +044+ | 2.64 | Eddie Plank | 226 | OAK |
| +045+ | 2.6 | Tom Seaton | 260.7 | PHI |
| +053+ | 2.26 | Russ Ford | 205 | NYA |
| +058+ | 2.13 | Larry Cheney | 262 | CHN |
| +059+ | 2.11 | Bill Steen | 95.3 | CLE |
| +062+ | 2.03 | Hooks Dauss | 182 | DET |
| +063+ | 2.03 | Bob Shawkey | 68 | OAK |
| +066+ | 1.88 | Rube Marquard | 246 | SFN |
| +072+ | 1.71 | Pete Alexander | 241.3 | PHI |
| +073+ | 1.7 | George Pierce | 125.3 | CHN |
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