| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 4.3 | 191306080_PHI_CIN |
| Christy Mathewson | SFN | 4.06 | 191306090_SFN_CHN |
| Chief Bender | OAK | 2.01 | 191306090_BAL_OAK |
| Ed Walsh | CHA | 1.7 | 191306070_CHA_NYA |
| Red Ames | CIN | 1.38 | 191306090_PHI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -1.99 | 191306070_ATL_CHN |
| Ed Willett | DET | -0.92 | 191306090_DET_MIN |
| Tom Hughes | MIN | -0.85 | 191306090_DET_MIN |
| Bullet Joe Bush | OAK | -0.43 | 191306070_BAL_OAK |
| Dan Griner | SLN | -0.41 | 191306080_ATL_SLN |
Based on accumulated WAA for this season up to 1913-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.74 | Walter Johnson | 112 | MIN |
| +003+ | 3.69 | Cy Falkenberg | 100 | CLE |
| +004+ | 3.61 | Nap Rucker | 90.7 | LAN |
| +005+ | 3.49 | Jim Scott | 86 | CHA |
| +008+ | 3.18 | Eddie Cicotte | 73 | CHA |
| +010+ | 3.03 | Pete Alexander | 92.3 | PHI |
| +014+ | 2.33 | Chief Bender | 78 | OAK |
| +015+ | 2.32 | Ad Brennan | 59.7 | PHI |
| +017+ | 2.26 | Reb Russell | 101 | CHA |
| +018+ | 2.25 | Christy Mathewson | 105.7 | SFN |
| +019+ | 2.24 | Tom Seaton | 108.7 | PHI |
| +021+ | 2.14 | Ray Keating | 77.7 | NYA |
| +023+ | 1.96 | Eddie Plank | 87.3 | OAK |
| +024+ | 1.89 | Vean Gregg | 95.3 | CLE |
| +025+ | 1.82 | Bill Steen | 82.3 | CLE |
| +027+ | 1.69 | Jeff Tesreau | 100.3 | SFN |
| +028+ | 1.66 | Larry Cheney | 101 | CHN |
| +029+ | 1.65 | Doc White | 57.7 | CHA |
| +030+ | 1.63 | Eddie Stack | 47.3 | LAN |
| +035+ | 1.42 | Frank Allen | 74.3 | LAN |
| +039+ | 1.33 | Cliff Curtis | 55 | LAN |
| +036+ | 1.33 | Red Ames | 63.7 | TOT |
| +043+ | 1.26 | Marc Hall | 81.3 | DET |
| XXXXX | 0.97 | Earl Hamilton | 98.3 | BAL |
| XXXXX | 0.96 | Babe Adams | 99 | PIT |
_