| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 3.21 | 191307200_OAK_BAL |
| Christy Mathewson | SFN | 3.03 | 191307182_SLN_SFN |
| Reb Russell | CHA | 3.03 | 191307180_OAK_CHA |
| Vean Gregg | CLE | 2.18 | 191307180_NYA_CLE |
| Smoky Joe Wood | BOS | 2.04 | 191307180_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Griner | SLN | -4.61 | 191307190_SLN_SFN |
| George Chalmers | PHI | -1.45 | 191307180_CIN_PHI |
| Chief Johnson | CIN | -1.07 | 191307190_CIN_PHI |
| Bob Groom | MIN | -1.02 | 191307180_MIN_BAL |
| Rube Foster | BOS | -0.35 | 191307192_BOS_DET |
Based on accumulated WAA for this season up to 1913-07-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.32 | Walter Johnson | 199 | MIN |
| +002+ | 6.27 | Jim Scott | 180.7 | CHA |
| +003+ | 5.9 | Eddie Cicotte | 149.7 | CHA |
| +004+ | 5.85 | Reb Russell | 195 | CHA |
| +005+ | 5.37 | Ad Brennan | 137.7 | PHI |
| +011+ | 4.46 | Earl Hamilton | 183 | BAL |
| +012+ | 4.39 | Eddie Plank | 171.7 | OAK |
| +013+ | 3.93 | Christy Mathewson | 189.7 | SFN |
| +014+ | 3.86 | Cy Falkenberg | 176.3 | CLE |
| +016+ | 3.51 | Willie Mitchell | 154 | CLE |
| +018+ | 3.16 | Chief Bender | 146.7 | OAK |
| +023+ | 2.84 | Babe Adams | 179 | PIT |
| +026+ | 2.73 | Vean Gregg | 172.3 | CLE |
| +027+ | 2.68 | Smoky Joe Wood | 144.3 | BOS |
| +028+ | 2.65 | Dutch Leonard | 129.3 | BOS |
| +030+ | 2.51 | Tom Seaton | 172 | PHI |
| +032+ | 2.3 | Joe Boehling | 101.7 | MIN |
| +033+ | 2.25 | George Baumgardner | 147.3 | BAL |
| +046+ | 1.73 | Rube Marquard | 155 | SFN |
| +051+ | 1.62 | Bert Humphries | 95.3 | CHN |
| +053+ | 1.6 | Jeff Tesreau | 171.3 | SFN |
| +055+ | 1.5 | Al Demaree | 106.3 | SFN |
| +061+ | 1.44 | Pete Alexander | 159.7 | PHI |
| +064+ | 1.36 | Ray Fisher | 149 | NYA |
| +066+ | 1.33 | Fred Blanding | 97.3 | CLE |
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