| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jose Fernandez | MIA | 4.49 | 201308300_MIA_ATL |
| Yu Darvish | TEX | 3.1 | 201308300_MIN_TEX |
| Max Scherzer | DET | 3.04 | 201308290_OAK_DET |
| Cliff Lee | PHI | 1.61 | 201308310_PHI_CHN |
| Mike Minor | ATL | 1.59 | 201308310_MIA_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Saunders | SEA | -4.25 | 201308310_SEA_HOU |
| CC Sabathia | NYA | -2.98 | 201308300_BAL_NYA |
| Roy Halladay | PHI | -2.86 | 201308300_PHI_CHN |
| Mike Pelfrey | MIN | -2.57 | 201308310_MIN_TEX |
| Jordan Lyles | HOU | -2.25 | 201308290_SEA_HOU |
Based on accumulated WAA for this season up to 2013-08-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.25 | Clayton Kershaw | 204 | LAN |
| +008+ | 5.64 | Jose Fernandez | 158.7 | MIA |
| +016+ | 4.63 | Yu Darvish | 174.7 | TEX |
| +019+ | 4.35 | Adam Wainwright | 200.7 | SLN |
| +023+ | 4.13 | Anibal Sanchez | 151.3 | DET |
| +029+ | 4.06 | Madison Bumgarner | 176.3 | SFN |
| +030+ | 4.06 | Max Scherzer | 183.3 | DET |
| +031+ | 4.04 | Hiroki Kuroda | 171.3 | NYA |
| +040+ | 3.85 | Francisco Liriano | 133 | PIT |
| +042+ | 3.81 | Felix Hernandez | 187.7 | SEA |
| +048+ | 3.64 | Derek Holland | 180 | TEX |
| +049+ | 3.63 | Chris Sale | 180.3 | CHA |
| +050+ | 3.53 | Mat Latos | 175 | CIN |
| +051+ | 3.5 | Cliff Lee | 183.7 | PHI |
| +052+ | 3.49 | Bartolo Colon | 159.3 | OAK |
| +053+ | 3.48 | Hisashi Iwakuma | 184 | SEA |
| +055+ | 3.4 | Stephen Strasburg | 158 | WAS |
| +057+ | 3.36 | Jhoulys Chacin | 169.3 | COL |
| +058+ | 3.36 | Zack Greinke | 141.7 | LAN |
| +060+ | 3.35 | James Shields | 189 | KCA |
| +061+ | 3.34 | Hyun-Jin Ryu | 167 | LAN |
| +064+ | 3.22 | Julio Teheran | 161.3 | ATL |
| +065+ | 3.2 | Mike Minor | 172.7 | ATL |
| +066+ | 3.13 | Travis Wood | 172 | CHN |
| +073+ | 3.01 | Ervin Santana | 180.7 | KCA |
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