| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.45 | 191307092_MIN_DET |
| Eddie Plank | OAK | 5.41 | 191307072_OAK_BOS |
| Jim Scott | CHA | 4.16 | 191307090_NYA_CHA |
| Smoky Joe Wood | BOS | 1.87 | 191307072_OAK_BOS |
| Pete Alexander | PHI | 1.61 | 191307072_ATL_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.91 | 191307091_SLN_ATL |
| Pol Perritt | SLN | -3.34 | 191307092_SLN_ATL |
| Joe Engel | MIN | -1.12 | 191307071_MIN_NYA |
| Howie Camnitz | PIT | -1.01 | 191307080_PIT_PHI |
| Al Schulz | NYA | -0.96 | 191307072_MIN_NYA |
Based on accumulated WAA for this season up to 1913-07-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.13 | Walter Johnson | 185 | MIN |
| +002+ | 5.93 | Jim Scott | 155.7 | CHA |
| +003+ | 5.28 | Reb Russell | 166.7 | CHA |
| +004+ | 5.08 | Eddie Cicotte | 121.7 | CHA |
| +010+ | 3.82 | Eddie Plank | 145.3 | OAK |
| +011+ | 3.81 | Chief Bender | 117.3 | OAK |
| +014+ | 3.49 | Vean Gregg | 160.7 | CLE |
| +013+ | 3.49 | Ad Brennan | 102.7 | PHI |
| +015+ | 3.25 | Cy Falkenberg | 148.7 | CLE |
| +017+ | 3.16 | Christy Mathewson | 162.7 | SFN |
| +019+ | 2.9 | Earl Hamilton | 156 | BAL |
| +027+ | 2.26 | Babe Adams | 163 | PIT |
| +028+ | 2.24 | Willie Mitchell | 132 | CLE |
| +031+ | 2.11 | Larry Cheney | 162 | CHN |
| +037+ | 1.87 | Dutch Leonard | 106.7 | BOS |
| +039+ | 1.79 | Smoky Joe Wood | 131.7 | BOS |
| +042+ | 1.72 | Rube Marquard | 136 | SFN |
| +048+ | 1.53 | Jeff Tesreau | 151.3 | SFN |
| +049+ | 1.51 | Joe Boehling | 75.7 | MIN |
| +051+ | 1.44 | George Pierce | 75 | CHN |
| +052+ | 1.43 | Pete Alexander | 150.7 | PHI |
| +053+ | 1.42 | Nap Rucker | 142.3 | LAN |
| +055+ | 1.4 | George Baumgardner | 119.3 | BAL |
| XXXXX | 1.23 | Frank Allen | 88.3 | LAN |
| XXXXX | 1.13 | Hank Robinson | 106.3 | PIT |
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