| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Lee | PHI | 6.59 | 201306180_WAS_PHI |
| Felix Hernandez | SEA | 5.79 | 201306200_SEA_ANA |
| Jordan Zimmermann | WAS | 4.97 | 201306200_COL_WAS |
| Chris Sale | CHA | 3.45 | 201306190_CHA_MIN |
| Matt Harvey | NYN | 3.4 | 201306181_NYN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Blanton | ANA | -4.86 | 201306180_SEA_ANA |
| Jeff Francis | COL | -3.91 | 201306180_COL_TOR |
| Mike Pelfrey | MIN | -3.71 | 201306180_CHA_MIN |
| Ubaldo Jimenez | CLE | -2.35 | 201306180_KCA_CLE |
| Justin Grimm | TEX | -2.14 | 201306190_OAK_TEX |
Based on accumulated WAA for this season up to 2013-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.29 | Clayton Kershaw | 107.3 | LAN |
| +007+ | 4.32 | Hisashi Iwakuma | 100.3 | SEA |
| +009+ | 4.29 | Jordan Zimmermann | 107.7 | WAS |
| +010+ | 4.11 | Matt Harvey | 104 | NYN |
| +014+ | 3.91 | Adam Wainwright | 110 | SLN |
| +015+ | 3.9 | Jeff Locke | 89.3 | PIT |
| +016+ | 3.77 | Cliff Lee | 110.3 | PHI |
| +017+ | 3.65 | Shelby Miller | 86.3 | SLN |
| +018+ | 3.46 | Patrick Corbin | 94.7 | ARI |
| +022+ | 3.12 | James Shields | 106 | KCA |
| +023+ | 3.1 | Ervin Santana | 99 | KCA |
| +024+ | 3.07 | Felix Hernandez | 109.7 | SEA |
| +028+ | 2.72 | Stephen Strasburg | 79.3 | WAS |
| +031+ | 2.63 | Mike Leake | 88.7 | CIN |
| +032+ | 2.62 | Chris Sale | 90.3 | CHA |
| +037+ | 2.58 | Travis Wood | 92 | CHN |
| +038+ | 2.54 | Jake Westbrook | 51 | SLN |
| +039+ | 2.5 | Hiroki Kuroda | 94 | NYA |
| +040+ | 2.47 | Yu Darvish | 101.3 | TEX |
| +045+ | 2.39 | Mike Minor | 96.7 | ATL |
| +051+ | 2.13 | Hyun-Jin Ryu | 91.3 | LAN |
| +053+ | 2.11 | Kris Medlen | 91.3 | ATL |
| +056+ | 2.06 | Bartolo Colon | 90.3 | OAK |
| +076+ | 1.75 | Johnny Cueto | 43.3 | CIN |
| +078+ | 1.74 | Max Scherzer | 96.3 | DET |
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