| Starter | Tm | Tier | Game |
|---|---|---|---|
| Christy Mathewson | SFN | 3.94 | 191307280_SFN_SLN |
| Eddie Plank | OAK | 3.85 | 191307260_DET_OAK |
| Reb Russell | CHA | 2.23 | 191307260_CHA_BOS |
| Babe Adams | PIT | 1.65 | 191307260_PHI_PIT |
| Earl Hamilton | BAL | 0.7 | 191307262_BAL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Griner | SLN | -5.31 | 191307270_SFN_SLN |
| Otto Hess | ATL | -2.37 | 191307270_ATL_CHN |
| Jimmy Lavender | CHN | -2.06 | 191307270_ATL_CHN |
| Bob Groom | MIN | -1.31 | 191307261_BAL_MIN |
| Howie Camnitz | PIT | -0.85 | 191307280_PHI_PIT |
Based on accumulated WAA for this season up to 1913-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.11 | Walter Johnson | 219.3 | MIN |
| +002+ | 6.53 | Jim Scott | 186.7 | CHA |
| +003+ | 6.04 | Eddie Cicotte | 157 | CHA |
| +004+ | 5.28 | Reb Russell | 212.7 | CHA |
| +005+ | 5.18 | Christy Mathewson | 206.7 | SFN |
| +007+ | 5.07 | Ad Brennan | 141.7 | PHI |
| +012+ | 4.2 | Willie Mitchell | 167 | CLE |
| +015+ | 3.83 | Cy Falkenberg | 185.3 | CLE |
| +016+ | 3.73 | Eddie Plank | 179.7 | OAK |
| +017+ | 3.62 | Chief Bender | 155.7 | OAK |
| +018+ | 3.25 | Earl Hamilton | 198 | BAL |
| +019+ | 3.11 | Tom Seaton | 191.7 | PHI |
| +023+ | 2.84 | Joe Boehling | 119.7 | MIN |
| +027+ | 2.69 | Rube Marquard | 171 | SFN |
| +029+ | 2.68 | Babe Adams | 196.7 | PIT |
| +030+ | 2.49 | Vean Gregg | 181.3 | CLE |
| +041+ | 1.98 | Bert Humphries | 111.3 | CHN |
| +048+ | 1.85 | Dutch Leonard | 141 | BOS |
| +050+ | 1.73 | Fred Blanding | 115 | CLE |
| +059+ | 1.58 | George Baumgardner | 157.7 | BAL |
| +060+ | 1.57 | Pete Alexander | 175.7 | PHI |
| +062+ | 1.54 | Al Demaree | 115.3 | SFN |
| +063+ | 1.49 | Ray Fisher | 157 | NYA |
| +069+ | 1.36 | Russ Ford | 146.7 | NYA |
| +072+ | 1.32 | Frank Allen | 111 | LAN |
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