| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.37 | 191307210_MIN_CHA |
| Jim Scott | CHA | 4.64 | 191307230_MIN_CHA |
| Christy Mathewson | SFN | 3.24 | 191307222_PIT_SFN |
| Vean Gregg | CLE | 1.81 | 191307220_BOS_CLE |
| Chief Bender | OAK | 1.72 | 191307230_OAK_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.3 | 191307221_CIN_ATL |
| Jimmy Lavender | CHN | -1.52 | 191307221_CHN_PHI |
| George Chalmers | PHI | -1.23 | 191307230_CHN_PHI |
| Ed Willett | DET | -1.1 | 191307210_NYA_DET |
| Roy Mitchell | BAL | -1.02 | 191307220_OAK_BAL |
Based on accumulated WAA for this season up to 1913-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.8 | Walter Johnson | 208 | MIN |
| +002+ | 6.52 | Jim Scott | 186.7 | CHA |
| +003+ | 6.13 | Eddie Cicotte | 152.7 | CHA |
| +004+ | 5.34 | Reb Russell | 205 | CHA |
| +007+ | 5.06 | Ad Brennan | 141.7 | PHI |
| +011+ | 4.5 | Christy Mathewson | 197.7 | SFN |
| +012+ | 4.42 | Eddie Plank | 171.7 | OAK |
| +013+ | 3.95 | Earl Hamilton | 190 | BAL |
| +014+ | 3.9 | Cy Falkenberg | 185.3 | CLE |
| +015+ | 3.64 | Chief Bender | 155.7 | OAK |
| +018+ | 3.54 | Willie Mitchell | 154 | CLE |
| +019+ | 3.24 | Babe Adams | 189.7 | PIT |
| +021+ | 3.19 | Tom Seaton | 181 | PHI |
| +022+ | 2.98 | Joe Boehling | 110.7 | MIN |
| +028+ | 2.74 | Smoky Joe Wood | 144.3 | BOS |
| +029+ | 2.57 | Vean Gregg | 181.3 | CLE |
| +032+ | 2.41 | George Baumgardner | 149.3 | BAL |
| +033+ | 2.37 | Rube Marquard | 164 | SFN |
| +041+ | 1.99 | Fred Blanding | 106.3 | CLE |
| +043+ | 1.96 | Bert Humphries | 102.3 | CHN |
| +056+ | 1.65 | Dutch Leonard | 138 | BOS |
| +058+ | 1.62 | Jeff Tesreau | 171.3 | SFN |
| +062+ | 1.51 | Al Demaree | 115.3 | SFN |
| +065+ | 1.47 | Russ Ford | 138.7 | NYA |
| +071+ | 1.26 | Frank Allen | 98.7 | LAN |
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