| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wade Davis | KCA | -3.19 | 201308020_KCA_NYN |
| Dan Haren | WAS | -2.88 | 201308030_WAS_MIL |
| Josh Johnson | TOR | -2.74 | 201308010_TOR_ANA |
| Scott Diamond | MIN | -2.31 | 201308010_KCA_MIN |
| Jordan Lyles | HOU | -1.65 | 201308010_HOU_BAL |
Based on accumulated WAA for this season up to 2013-08-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 7.91 | Clayton Kershaw | 168.3 | LAN |
| +006+ | 5.77 | Felix Hernandez | 160.7 | SEA |
| +007+ | 5.52 | Matt Harvey | 150.7 | NYN |
| +009+ | 5.16 | Patrick Corbin | 150.3 | ARI |
| +010+ | 5.13 | Adam Wainwright | 168.7 | SLN |
| +013+ | 4.96 | Hiroki Kuroda | 139.7 | NYA |
| +015+ | 4.69 | Bartolo Colon | 147.7 | OAK |
| +019+ | 4.37 | Francisco Liriano | 102.7 | PIT |
| +020+ | 4.33 | Jeff Locke | 125.7 | PIT |
| +022+ | 4.22 | Mike Leake | 135.7 | CIN |
| +024+ | 4.1 | Madison Bumgarner | 147 | SFN |
| +027+ | 3.92 | Yu Darvish | 138.7 | TEX |
| +028+ | 3.87 | Mike Minor | 144 | ATL |
| +029+ | 3.85 | Jose Fernandez | 127.7 | MIA |
| +032+ | 3.56 | Hisashi Iwakuma | 150 | SEA |
| +033+ | 3.54 | Max Scherzer | 151.3 | DET |
| +038+ | 3.27 | Anibal Sanchez | 111 | DET |
| +039+ | 3.25 | Chris Sale | 142 | CHA |
| +047+ | 3 | James Shields | 154.7 | KCA |
| +049+ | 2.99 | Ervin Santana | 145.3 | KCA |
| +053+ | 2.95 | Jordan Zimmermann | 147 | WAS |
| +054+ | 2.9 | Shelby Miller | 121.3 | SLN |
| +060+ | 2.74 | Travis Wood | 138.7 | CHN |
| +064+ | 2.69 | Stephen Strasburg | 130.3 | WAS |
| +065+ | 2.68 | Julio Teheran | 131 | ATL |
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