| Starter | Tm | Tier | Game |
|---|---|---|---|
| Anibal Sanchez | DET | 3.42 | 201309220_CHA_DET |
| Yu Darvish | TEX | 2.69 | 201309240_HOU_TEX |
| Adam Wainwright | SLN | 2.56 | 201309230_WAS_SLN |
| Cliff Lee | PHI | 2.52 | 201309220_NYN_PHI |
| Zack Greinke | LAN | 2.2 | 201309220_LAN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Brandon Maurer | SEA | -4.35 | 201309230_KCA_SEA |
| Aaron Harang | NYN | -4.06 | 201309230_NYN_CIN |
| Mike Pelfrey | MIN | -3.41 | 201309230_DET_MIN |
| Jordan Lyles | HOU | -2.63 | 201309230_HOU_TEX |
| Roy Halladay | PHI | -2.31 | 201309230_PHI_MIA |
Based on accumulated WAA for this season up to 2013-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.71 | Clayton Kershaw | 230 | LAN |
| +017+ | 5.35 | Clay Buchholz | 101.3 | BOS |
| +019+ | 5.3 | Bartolo Colon | 184.3 | OAK |
| +020+ | 5.24 | Madison Bumgarner | 201.3 | SFN |
| +027+ | 4.97 | Yu Darvish | 204 | TEX |
| +028+ | 4.95 | Anibal Sanchez | 177 | DET |
| +029+ | 4.87 | Cliff Lee | 214.7 | PHI |
| +030+ | 4.8 | Zack Greinke | 171.7 | LAN |
| +035+ | 4.66 | Adam Wainwright | 236.3 | SLN |
| +039+ | 4.35 | Chris Sale | 209 | CHA |
| +042+ | 4.14 | Travis Wood | 199 | CHN |
| +045+ | 4.1 | Max Scherzer | 207.3 | DET |
| +049+ | 3.97 | Hyun-Jin Ryu | 188 | LAN |
| +051+ | 3.91 | Felix Hernandez | 198.3 | SEA |
| +059+ | 3.57 | Stephen Strasburg | 176 | WAS |
| +062+ | 3.47 | James Shields | 221.7 | KCA |
| +064+ | 3.43 | Ervin Santana | 205 | KCA |
| +065+ | 3.41 | Francisco Liriano | 156 | PIT |
| +067+ | 3.38 | Jordan Zimmermann | 206.3 | WAS |
| +069+ | 3.33 | Julio Teheran | 180.7 | ATL |
| +071+ | 3.19 | Andrew Cashner | 175 | SDN |
| +074+ | 3.17 | Jhoulys Chacin | 193.3 | COL |
| +080+ | 3.07 | Mike Minor | 198.7 | ATL |
| +082+ | 3.04 | Alex Cobb | 136.3 | TBA |
| +085+ | 3.01 | Mat Latos | 203.7 | CIN |
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