| Starter | Tm | Tier | Game |
|---|---|---|---|
| CC Sabathia | NYA | -2.98 | 201308300_BAL_NYA |
| Roy Halladay | PHI | -2.86 | 201308300_PHI_CHN |
| Edwin Jackson | CHN | -2.64 | 201308280_CHN_LAN |
| Jordan Lyles | HOU | -2.25 | 201308290_SEA_HOU |
| Ryan Dempster | BOS | -2 | 201308300_CHA_BOS |
Based on accumulated WAA for this season up to 2013-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.26 | Clayton Kershaw | 204 | LAN |
| +008+ | 5.67 | Jose Fernandez | 158.7 | MIA |
| +016+ | 4.64 | Yu Darvish | 174.7 | TEX |
| +019+ | 4.35 | Adam Wainwright | 200.7 | SLN |
| +022+ | 4.17 | Anibal Sanchez | 144.7 | DET |
| +028+ | 4.07 | Max Scherzer | 183.3 | DET |
| +030+ | 4.06 | Madison Bumgarner | 176.3 | SFN |
| +032+ | 4.05 | Hiroki Kuroda | 171.3 | NYA |
| +034+ | 4.03 | Patrick Corbin | 177.7 | ARI |
| +036+ | 3.86 | Francisco Liriano | 133 | PIT |
| +039+ | 3.82 | Felix Hernandez | 187.7 | SEA |
| +047+ | 3.65 | Derek Holland | 180 | TEX |
| +048+ | 3.63 | Chris Sale | 180.3 | CHA |
| +049+ | 3.54 | Mat Latos | 175 | CIN |
| +051+ | 3.51 | Bartolo Colon | 159.3 | OAK |
| +052+ | 3.49 | Hisashi Iwakuma | 184 | SEA |
| +054+ | 3.46 | Cliff Lee | 178.7 | PHI |
| +055+ | 3.44 | Mike Minor | 165.7 | ATL |
| +056+ | 3.41 | Stephen Strasburg | 158 | WAS |
| +058+ | 3.38 | Jhoulys Chacin | 169.3 | COL |
| +059+ | 3.37 | Zack Greinke | 141.7 | LAN |
| +060+ | 3.35 | Hyun-Jin Ryu | 167 | LAN |
| +061+ | 3.35 | James Shields | 189 | KCA |
| +064+ | 3.26 | Julio Teheran | 161.3 | ATL |
| +066+ | 3.14 | Travis Wood | 172 | CHN |
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