| Starter | Tm | Tier | Game |
|---|---|---|---|
| Adam Wainwright | SLN | 4.12 | 201308050_LAN_SLN |
| Patrick Corbin | ARI | 3.88 | 201308030_ARI_BOS |
| Mike Leake | CIN | 2.16 | 201308040_SLN_CIN |
| Mike Minor | ATL | 2.08 | 201308050_ATL_WAS |
| Hisashi Iwakuma | SEA | 1.99 | 201308050_TOR_SEA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ian Kennedy | SDN | -3.22 | 201308040_NYA_SDN |
| Mike Pelfrey | MIN | -2.93 | 201308040_HOU_MIN |
| Dan Haren | WAS | -2.88 | 201308030_WAS_MIL |
| Brad Peacock | HOU | -2.03 | 201308040_HOU_MIN |
| Roberto Hernandez | TBA | -1.97 | 201308040_SFN_TBA |
Based on accumulated WAA for this season up to 2013-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 5.73 | Felix Hernandez | 160.7 | SEA |
| +007+ | 5.49 | Matt Harvey | 150.7 | NYN |
| +009+ | 5.14 | Patrick Corbin | 150.3 | ARI |
| +010+ | 5.1 | Adam Wainwright | 175.7 | SLN |
| +013+ | 4.95 | Hiroki Kuroda | 139.7 | NYA |
| +015+ | 4.65 | Bartolo Colon | 147.7 | OAK |
| +019+ | 4.35 | Francisco Liriano | 102.7 | PIT |
| +022+ | 4.3 | Jeff Locke | 125.7 | PIT |
| +024+ | 4.07 | Madison Bumgarner | 147 | SFN |
| +026+ | 3.95 | Mike Minor | 150 | ATL |
| +027+ | 3.89 | Yu Darvish | 138.7 | TEX |
| +028+ | 3.82 | Jose Fernandez | 127.7 | MIA |
| +030+ | 3.76 | Hisashi Iwakuma | 157.3 | SEA |
| +033+ | 3.48 | Anibal Sanchez | 118.7 | DET |
| +034+ | 3.46 | Max Scherzer | 151.3 | DET |
| +038+ | 3.31 | A.J. Burnett | 128.7 | PIT |
| +039+ | 3.29 | Ervin Santana | 151.3 | KCA |
| +044+ | 3.19 | Chris Sale | 142 | CHA |
| +046+ | 3.17 | Mike Leake | 140.7 | CIN |
| +049+ | 3.05 | Derek Holland | 155 | TEX |
| +052+ | 2.96 | James Shields | 154.7 | KCA |
| +055+ | 2.93 | Jordan Zimmermann | 147 | WAS |
| +058+ | 2.88 | Stephen Strasburg | 137.3 | WAS |
| +059+ | 2.87 | Shelby Miller | 121.3 | SLN |
| +061+ | 2.74 | Cliff Lee | 149.7 | PHI |
_