| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 12.62 | 201306150_LAN_PIT |
| Jordan Zimmermann | WAS | 7.57 | 201306150_WAS_CLE |
| Cliff Lee | PHI | 7.07 | 201306130_PHI_MIN |
| Felix Hernandez | SEA | 5.23 | 201306150_SEA_OAK |
| Hiroki Kuroda | NYA | 3.42 | 201306130_NYA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Francis | COL | -4.37 | 201306130_WAS_COL |
| Rick Porcello | DET | -1.94 | 201306140_DET_MIN |
| Edwin Jackson | CHN | -1.76 | 201306140_CHN_NYN |
| Justin Grimm | TEX | -1.28 | 201306140_TOR_TEX |
| Erik Bedard | HOU | -1.28 | 201306140_CHA_HOU |
Based on accumulated WAA for this season up to 2013-06-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.32 | Clayton Kershaw | 107.3 | LAN |
| +004+ | 4.73 | Hisashi Iwakuma | 95.3 | SEA |
| +008+ | 4.17 | Adam Wainwright | 103 | SLN |
| +009+ | 4.13 | Matt Harvey | 97 | NYN |
| +012+ | 3.9 | Felix Hernandez | 104.7 | SEA |
| +014+ | 3.62 | Jordan Zimmermann | 99.7 | WAS |
| +016+ | 3.55 | Cliff Lee | 102.3 | PHI |
| +017+ | 3.35 | Jeff Locke | 82.3 | PIT |
| +019+ | 3.24 | Shelby Miller | 81.3 | SLN |
| +020+ | 3.2 | Patrick Corbin | 86.7 | ARI |
| +022+ | 3.01 | Chris Sale | 85.3 | CHA |
| +026+ | 2.83 | Yu Darvish | 95.3 | TEX |
| +027+ | 2.82 | James Shields | 100 | KCA |
| +029+ | 2.74 | Mike Minor | 90.7 | ATL |
| +030+ | 2.7 | Ervin Santana | 92 | KCA |
| +033+ | 2.58 | Travis Wood | 85 | CHN |
| +040+ | 2.37 | Hiroki Kuroda | 87.3 | NYA |
| +043+ | 2.31 | Mike Leake | 81.7 | CIN |
| +045+ | 2.23 | Hyun-Jin Ryu | 85.3 | LAN |
| +049+ | 2.15 | Anibal Sanchez | 81.7 | DET |
| +058+ | 1.92 | Jake Westbrook | 44 | SLN |
| +064+ | 1.86 | Bartolo Colon | 83.3 | OAK |
| +067+ | 1.83 | Alex Cobb | 83.7 | TBA |
| +072+ | 1.74 | Kris Medlen | 84.3 | ATL |
| +077+ | 1.67 | Scott Feldman | 79.7 | CHN |
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