| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.83 | 191307030_MIN_BOS |
| Eddie Plank | OAK | 5.56 | 191307042_OAK_BOS |
| Jim Scott | CHA | 4.87 | 191307030_CHA_BAL |
| Vean Gregg | CLE | 4.1 | 191307042_DET_CLE |
| Christy Mathewson | SFN | 4.01 | 191307020_SFN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Burk | SLN | -2.94 | 191307041_SLN_PIT |
| Lefty Tyler | ATL | -1.66 | 191307020_ATL_LAN |
| George Chalmers | PHI | -1.24 | 191307020_SFN_PHI |
| Jimmy Lavender | CHN | -1.22 | 191307030_CIN_CHN |
| Bob Groom | MIN | -1.16 | 191307041_MIN_NYA |
Based on accumulated WAA for this season up to 1913-07-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.58 | Walter Johnson | 179 | MIN |
| +002+ | 5.64 | Reb Russell | 162.7 | CHA |
| +003+ | 5.18 | Jim Scott | 139.7 | CHA |
| +004+ | 4.92 | Eddie Cicotte | 113.7 | CHA |
| +005+ | 4.24 | Eddie Plank | 143.3 | OAK |
| +011+ | 3.69 | Chief Bender | 113.7 | OAK |
| +013+ | 3.54 | Vean Gregg | 160.7 | CLE |
| +014+ | 3.03 | Tom Seaton | 161.7 | PHI |
| +017+ | 2.87 | Christy Mathewson | 153.7 | SFN |
| +018+ | 2.85 | Cy Falkenberg | 139.7 | CLE |
| +027+ | 2.17 | Earl Hamilton | 147 | BAL |
| +029+ | 2.01 | Jeff Tesreau | 144.3 | SFN |
| +037+ | 1.74 | Willie Mitchell | 113 | CLE |
| +038+ | 1.74 | Pete Alexander | 143.3 | PHI |
| +039+ | 1.73 | Larry Cheney | 154 | CHN |
| +043+ | 1.51 | Smoky Joe Wood | 122.7 | BOS |
| +045+ | 1.45 | Walt Leverenz | 78.3 | BAL |
| +047+ | 1.39 | Pat Ragan | 137 | LAN |
| +049+ | 1.36 | Nap Rucker | 142.3 | LAN |
| +048+ | 1.36 | George Baumgardner | 119.3 | BAL |
| +051+ | 1.34 | Hub Perdue | 102.3 | ATL |
| +053+ | 1.33 | Babe Adams | 145 | PIT |
| +056+ | 1.3 | Cliff Curtis | 89.7 | LAN |
| XXXXX | 1.21 | Charlie Smith | 81.7 | CHN |
| XXXXX | 1.11 | George Kahler | 90 | CLE |
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