| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Scott | CHA | 4.93 | 191307170_OAK_CHA |
| Christy Mathewson | SFN | 3.03 | 191307182_SLN_SFN |
| Vean Gregg | CLE | 2.18 | 191307180_NYA_CLE |
| Smoky Joe Wood | BOS | 2.04 | 191307180_BOS_DET |
| Chief Bender | OAK | 1.63 | 191307180_OAK_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Griner | SLN | -4.61 | 191307190_SLN_SFN |
| George Chalmers | PHI | -1.45 | 191307180_CIN_PHI |
| Al Schulz | NYA | -1.34 | 191307170_NYA_CLE |
| Chief Johnson | CIN | -1.1 | 191307172_CIN_PHI |
| Bob Groom | MIN | -1.02 | 191307180_MIN_BAL |
Based on accumulated WAA for this season up to 1913-07-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.34 | Walter Johnson | 199 | MIN |
| +002+ | 6.29 | Jim Scott | 180.7 | CHA |
| +003+ | 5.91 | Eddie Cicotte | 149.7 | CHA |
| +004+ | 5.87 | Reb Russell | 195 | CHA |
| +005+ | 5.39 | Ad Brennan | 137.7 | PHI |
| +011+ | 4.49 | Earl Hamilton | 183 | BAL |
| +012+ | 3.95 | Christy Mathewson | 189.7 | SFN |
| +013+ | 3.88 | Cy Falkenberg | 176.3 | CLE |
| +014+ | 3.74 | Eddie Plank | 162.7 | OAK |
| +017+ | 3.18 | Chief Bender | 146.7 | OAK |
| +019+ | 3.09 | Willie Mitchell | 145 | CLE |
| +021+ | 2.86 | Babe Adams | 179 | PIT |
| +026+ | 2.75 | Vean Gregg | 172.3 | CLE |
| +027+ | 2.7 | Smoky Joe Wood | 144.3 | BOS |
| +028+ | 2.66 | Dutch Leonard | 129.3 | BOS |
| +030+ | 2.53 | Tom Seaton | 172 | PHI |
| +032+ | 2.27 | George Baumgardner | 147.3 | BAL |
| +042+ | 1.85 | Joe Boehling | 92.7 | MIN |
| +046+ | 1.75 | Rube Marquard | 155 | SFN |
| +050+ | 1.68 | Walt Leverenz | 102.3 | BAL |
| +053+ | 1.63 | Bert Humphries | 95.3 | CHN |
| +054+ | 1.62 | Jeff Tesreau | 171.3 | SFN |
| +057+ | 1.51 | Al Demaree | 106.3 | SFN |
| +060+ | 1.46 | Pete Alexander | 159.7 | PHI |
| +065+ | 1.38 | Ray Fisher | 149 | NYA |
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