| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 11.49 | 201306260_SFN_LAN |
| Jordan Zimmermann | WAS | 6.66 | 201306260_ARI_WAS |
| Matt Harvey | NYN | 4.59 | 201306280_WAS_NYN |
| Felix Hernandez | SEA | 4.29 | 201306260_PIT_SEA |
| James Shields | KCA | 3.76 | 201306280_KCA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edinson Volquez | SDN | -5.08 | 201306280_SDN_MIA |
| Roberto Hernandez | TBA | -2.92 | 201306260_TOR_TBA |
| Jason Hammel | BAL | -2.53 | 201306260_CLE_BAL |
| Justin Grimm | TEX | -2.49 | 201306260_TEX_NYA |
| Wily Peralta | MIL | -2.38 | 201306270_CHN_MIL |
Based on accumulated WAA for this season up to 2013-06-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.37 | Clayton Kershaw | 121.3 | LAN |
| +004+ | 5.14 | Matt Harvey | 117 | NYN |
| +008+ | 4.51 | Jordan Zimmermann | 114.7 | WAS |
| +010+ | 4.39 | Adam Wainwright | 116.7 | SLN |
| +012+ | 4.24 | Patrick Corbin | 109.7 | ARI |
| +013+ | 4.15 | Jeff Locke | 96.3 | PIT |
| +014+ | 4.07 | Cliff Lee | 118.3 | PHI |
| +015+ | 4.02 | Hisashi Iwakuma | 115.3 | SEA |
| +020+ | 3.38 | Stephen Strasburg | 93.3 | WAS |
| +021+ | 3.31 | Felix Hernandez | 116.7 | SEA |
| +025+ | 3.05 | Ervin Santana | 105 | KCA |
| +026+ | 3.03 | Mike Leake | 96.7 | CIN |
| +032+ | 2.77 | Chris Sale | 98.3 | CHA |
| +033+ | 2.74 | Hiroki Kuroda | 100.7 | NYA |
| +035+ | 2.73 | James Shields | 117.3 | KCA |
| +036+ | 2.72 | Bartolo Colon | 106.3 | OAK |
| +037+ | 2.7 | Travis Wood | 104.3 | CHN |
| +045+ | 2.58 | Hyun-Jin Ryu | 98 | LAN |
| +048+ | 2.49 | Shelby Miller | 93.7 | SLN |
| +052+ | 2.37 | Yu Darvish | 106.7 | TEX |
| +053+ | 2.36 | Mike Minor | 102.7 | ATL |
| +056+ | 2.28 | Jake Westbrook | 57 | SLN |
| +061+ | 2.17 | Kris Medlen | 98.3 | ATL |
| +065+ | 2.13 | Tyler Chatwood | 50.7 | COL |
| +066+ | 2.03 | Francisco Liriano | 54.7 | PIT |
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