| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.96 | 191306250_OAK_MIN |
| Eddie Plank | OAK | 4.78 | 191306261_OAK_MIN |
| Nap Rucker | LAN | 4.58 | 191306250_LAN_PHI |
| Vean Gregg | CLE | 4.38 | 191306260_CLE_CHA |
| Jim Scott | CHA | 3.94 | 191306250_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.1 | 191306262_ATL_SFN |
| Jimmy Lavender | CHN | -2.5 | 191306240_CHN_SLN |
| Roy Mitchell | BAL | -1.84 | 191306240_BAL_CHA |
| Dan Griner | SLN | -1.28 | 191306240_CHN_SLN |
| Ed Willett | DET | -1.27 | 191306241_CLE_DET |
Based on accumulated WAA for this season up to 1913-06-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.53 | Walter Johnson | 151 | MIN |
| +002+ | 4.95 | Jim Scott | 123.7 | CHA |
| +003+ | 4.44 | Reb Russell | 142.3 | CHA |
| +004+ | 4.09 | Eddie Cicotte | 95 | CHA |
| +007+ | 3.69 | Tom Seaton | 145.7 | PHI |
| +009+ | 3.6 | Chief Bender | 105.7 | OAK |
| +010+ | 3.38 | Eddie Plank | 125.3 | OAK |
| +013+ | 3.12 | Vean Gregg | 145.7 | CLE |
| +014+ | 3.01 | Ad Brennan | 88 | PHI |
| +016+ | 2.94 | Nap Rucker | 131 | LAN |
| +017+ | 2.68 | Christy Mathewson | 140.7 | SFN |
| +024+ | 2.03 | Cy Falkenberg | 124.7 | CLE |
| +026+ | 1.98 | Pete Alexander | 127.3 | PHI |
| +027+ | 1.96 | Jeff Tesreau | 124 | SFN |
| +034+ | 1.68 | Ray Keating | 86.3 | NYA |
| +036+ | 1.65 | Cliff Curtis | 84 | LAN |
| +039+ | 1.56 | George Pierce | 61.7 | CHN |
| +045+ | 1.32 | Larry Cheney | 136 | CHN |
| +048+ | 1.29 | Dutch Leonard | 88 | BOS |
| +049+ | 1.26 | Babe Adams | 126 | PIT |
| XXXXX | 1.22 | Charlie Smith | 65.7 | CHN |
| XXXXX | 1.16 | Russ Ford | 93.7 | NYA |
| XXXXX | 1.01 | Carl Zamloch | 62.3 | DET |
| XXXXX | 0.91 | Eddie Stack | 56.3 | LAN |
| XXXXX | 0.84 | Earl Hamilton | 127 | BAL |
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