| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ryan Vogelsong | SFN | -2.42 | 201308090_BAL_SFN |
| Aaron Harang | SEA | -2.38 | 201308070_TOR_SEA |
| Dan Haren | WAS | -2.27 | 201308090_PHI_WAS |
| CC Sabathia | NYA | -1.84 | 201308070_NYA_CHA |
| Kyle Gibson | MIN | -1.51 | 201308091_MIN_CHA |
Based on accumulated WAA for this season up to 2013-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.07 | Clayton Kershaw | 174.3 | LAN |
| +005+ | 6.36 | Matt Harvey | 159.7 | NYN |
| +008+ | 5.31 | Patrick Corbin | 156.3 | ARI |
| +009+ | 5.15 | Adam Wainwright | 175.7 | SLN |
| +011+ | 4.98 | Felix Hernandez | 165.7 | SEA |
| +012+ | 4.97 | Hiroki Kuroda | 146.7 | NYA |
| +020+ | 4.23 | Jeff Locke | 131.3 | PIT |
| +022+ | 4.12 | Madison Bumgarner | 154 | SFN |
| +026+ | 4.01 | Mike Minor | 150 | ATL |
| +027+ | 3.94 | Yu Darvish | 145.7 | TEX |
| +028+ | 3.93 | Jose Fernandez | 132.7 | MIA |
| +029+ | 3.92 | Bartolo Colon | 150.3 | OAK |
| +030+ | 3.85 | Chris Sale | 149.3 | CHA |
| +032+ | 3.82 | Hisashi Iwakuma | 157.3 | SEA |
| +033+ | 3.65 | Max Scherzer | 158.3 | DET |
| +037+ | 3.47 | Anibal Sanchez | 118.7 | DET |
| +042+ | 3.36 | A.J. Burnett | 128.7 | PIT |
| +043+ | 3.24 | Bruce Chen | 65.3 | KCA |
| +045+ | 3.22 | Mike Leake | 140.7 | CIN |
| +048+ | 3.11 | Derek Holland | 155 | TEX |
| +051+ | 3.03 | Julio Teheran | 137 | ATL |
| +053+ | 2.97 | Hyun-Jin Ryu | 141.3 | LAN |
| +056+ | 2.94 | Travis Wood | 145 | CHN |
| +057+ | 2.93 | Stephen Strasburg | 137.3 | WAS |
| +058+ | 2.92 | Jordan Zimmermann | 151 | WAS |
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