| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edwin Jackson | CHN | -2.64 | 201308280_CHN_LAN |
| Ian Kennedy | SDN | -2.47 | 201308270_SDN_ARI |
| Jordan Lyles | HOU | -2.25 | 201308290_SEA_HOU |
| Roberto Hernandez | TBA | -2.04 | 201308270_ANA_TBA |
| Yovani Gallardo | MIL | -1.16 | 201308290_MIL_PIT |
Based on accumulated WAA for this season up to 2013-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.28 | Clayton Kershaw | 204 | LAN |
| +009+ | 5.55 | Jose Fernandez | 152.7 | MIA |
| +015+ | 4.68 | Yu Darvish | 168 | TEX |
| +019+ | 4.35 | Adam Wainwright | 200.7 | SLN |
| +025+ | 4.15 | Anibal Sanchez | 144.7 | DET |
| +026+ | 4.07 | Madison Bumgarner | 176.3 | SFN |
| +027+ | 4.06 | Hiroki Kuroda | 171.3 | NYA |
| +028+ | 4.05 | Max Scherzer | 183.3 | DET |
| +030+ | 4.04 | Patrick Corbin | 177.7 | ARI |
| +038+ | 3.83 | Felix Hernandez | 187.7 | SEA |
| +046+ | 3.66 | Derek Holland | 180 | TEX |
| +047+ | 3.63 | Chris Sale | 180.3 | CHA |
| +049+ | 3.54 | Mat Latos | 175 | CIN |
| +050+ | 3.52 | Bartolo Colon | 159.3 | OAK |
| +051+ | 3.5 | Hisashi Iwakuma | 184 | SEA |
| +052+ | 3.47 | Cliff Lee | 178.7 | PHI |
| +053+ | 3.45 | Mike Minor | 165.7 | ATL |
| +054+ | 3.42 | Stephen Strasburg | 158 | WAS |
| +055+ | 3.39 | Jhoulys Chacin | 169.3 | COL |
| +056+ | 3.38 | Zack Greinke | 141.7 | LAN |
| +058+ | 3.35 | James Shields | 189 | KCA |
| +060+ | 3.22 | Shelby Miller | 139.7 | SLN |
| +063+ | 3.15 | Travis Wood | 172 | CHN |
| +062+ | 3.15 | Francisco Liriano | 125 | PIT |
| +071+ | 3 | Hyun-Jin Ryu | 160.7 | LAN |
_