| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 5.56 | 191307042_OAK_BOS |
| Jim Scott | CHA | 4.26 | 191307050_CHA_CLE |
| Vean Gregg | CLE | 4.1 | 191307042_DET_CLE |
| Christy Mathewson | SFN | 3.54 | 191307050_SFN_LAN |
| Nap Rucker | LAN | 2.19 | 191307042_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sandy Burk | SLN | -2.94 | 191307041_SLN_PIT |
| Bob Groom | MIN | -1.16 | 191307041_MIN_NYA |
| Nick Cullop | CLE | -0.88 | 191307050_CHA_CLE |
| Ed Willett | DET | -0.66 | 191307042_DET_CLE |
| Byron Houck | OAK | -0.59 | 191307041_OAK_BOS |
Based on accumulated WAA for this season up to 1913-07-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.58 | Walter Johnson | 179 | MIN |
| +002+ | 5.22 | Reb Russell | 166.7 | CHA |
| +003+ | 5.21 | Jim Scott | 146.7 | CHA |
| +004+ | 5.03 | Eddie Cicotte | 121.7 | CHA |
| +005+ | 4.24 | Eddie Plank | 143.3 | OAK |
| +010+ | 3.92 | Chief Bender | 116.7 | OAK |
| +013+ | 3.43 | Vean Gregg | 160.7 | CLE |
| +014+ | 3.19 | Cy Falkenberg | 148.7 | CLE |
| +015+ | 3.08 | Christy Mathewson | 162.7 | SFN |
| +016+ | 3.03 | Tom Seaton | 161.7 | PHI |
| +018+ | 2.84 | Earl Hamilton | 156 | BAL |
| +022+ | 2.53 | Willie Mitchell | 125 | CLE |
| +031+ | 2.02 | Jeff Tesreau | 144.3 | SFN |
| +033+ | 1.84 | Larry Cheney | 154 | CHN |
| +035+ | 1.82 | Dutch Leonard | 106.7 | BOS |
| +039+ | 1.74 | Pete Alexander | 143.3 | PHI |
| +045+ | 1.56 | Babe Adams | 154 | PIT |
| +047+ | 1.51 | Smoky Joe Wood | 122.7 | BOS |
| +048+ | 1.45 | Walt Leverenz | 78.3 | BAL |
| +050+ | 1.4 | George Pierce | 75 | CHN |
| +052+ | 1.36 | George Baumgardner | 119.3 | BAL |
| +053+ | 1.36 | Nap Rucker | 142.3 | LAN |
| +054+ | 1.34 | Hub Perdue | 102.3 | ATL |
| +055+ | 1.3 | Cliff Curtis | 89.7 | LAN |
| +056+ | 1.27 | Pat Ragan | 144 | LAN |
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