| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Lee | PHI | 6.59 | 201306180_WAS_PHI |
| James Shields | KCA | 4.32 | 201306170_KCA_CLE |
| Chris Sale | CHA | 3.45 | 201306190_CHA_MIN |
| Matt Harvey | NYN | 3.4 | 201306181_NYN_ATL |
| Hiroki Kuroda | NYA | 3.13 | 201306191_LAN_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edinson Volquez | SDN | -4.97 | 201306170_SDN_SFN |
| Joe Blanton | ANA | -4.86 | 201306180_SEA_ANA |
| Jeff Francis | COL | -3.91 | 201306180_COL_TOR |
| Mike Pelfrey | MIN | -3.71 | 201306180_CHA_MIN |
| Jake Arrieta | BAL | -2.38 | 201306170_BAL_DET |
Based on accumulated WAA for this season up to 2013-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.28 | Clayton Kershaw | 107.3 | LAN |
| +007+ | 4.31 | Hisashi Iwakuma | 100.3 | SEA |
| +008+ | 4.11 | Matt Harvey | 104 | NYN |
| +013+ | 3.91 | Adam Wainwright | 110 | SLN |
| +014+ | 3.9 | Jeff Locke | 89.3 | PIT |
| +015+ | 3.86 | Felix Hernandez | 104.7 | SEA |
| +016+ | 3.77 | Cliff Lee | 110.3 | PHI |
| +017+ | 3.65 | Shelby Miller | 86.3 | SLN |
| +018+ | 3.55 | Jordan Zimmermann | 99.7 | WAS |
| +019+ | 3.46 | Patrick Corbin | 94.7 | ARI |
| +022+ | 3.12 | James Shields | 106 | KCA |
| +023+ | 3.1 | Ervin Santana | 99 | KCA |
| +027+ | 2.72 | Stephen Strasburg | 79.3 | WAS |
| +030+ | 2.63 | Mike Leake | 88.7 | CIN |
| +031+ | 2.61 | Chris Sale | 90.3 | CHA |
| +033+ | 2.57 | Travis Wood | 92 | CHN |
| +034+ | 2.54 | Jake Westbrook | 51 | SLN |
| +037+ | 2.5 | Hiroki Kuroda | 94 | NYA |
| +041+ | 2.47 | Yu Darvish | 101.3 | TEX |
| +051+ | 2.12 | Hyun-Jin Ryu | 91.3 | LAN |
| +052+ | 2.11 | Kris Medlen | 91.3 | ATL |
| +054+ | 2.1 | Anibal Sanchez | 81.7 | DET |
| +057+ | 2.05 | Bartolo Colon | 90.3 | OAK |
| +070+ | 1.8 | Alex Cobb | 83.7 | TBA |
| +074+ | 1.75 | Johnny Cueto | 43.3 | CIN |
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