| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 10.98 | 201305140_WAS_LAN |
| Felix Hernandez | SEA | 7.02 | 201305140_SEA_NYA |
| Jordan Zimmermann | WAS | 5.93 | 201305130_WAS_LAN |
| CC Sabathia | NYA | 2.71 | 201305140_SEA_NYA |
| Doug Fister | DET | 2.43 | 201305140_HOU_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Francis | COL | -6.3 | 201305140_COL_CHN |
| Joe Blanton | ANA | -3.18 | 201305130_KCA_ANA |
| Mike Pelfrey | MIN | -2.06 | 201305150_CHA_MIN |
| Phil Hughes | NYA | -1.42 | 201305150_SEA_NYA |
| Dillon Gee | NYN | -1.4 | 201305140_NYN_SLN |
Based on accumulated WAA for this season up to 2013-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.9 | Clayton Kershaw | 64.3 | LAN |
| +002+ | 3.7 | Felix Hernandez | 64.7 | SEA |
| +004+ | 3.27 | Matt Harvey | 56.3 | NYN |
| +005+ | 3.18 | Jordan Zimmermann | 58.7 | WAS |
| +006+ | 3.14 | Clay Buchholz | 58.7 | BOS |
| +007+ | 3.04 | Shelby Miller | 51.3 | SLN |
| +008+ | 2.93 | Hisashi Iwakuma | 58.7 | SEA |
| +009+ | 2.87 | Patrick Corbin | 53.3 | ARI |
| +013+ | 2.43 | Travis Wood | 53.3 | CHN |
| +014+ | 2.25 | Justin Verlander | 51.3 | DET |
| +015+ | 2.24 | Adam Wainwright | 58.7 | SLN |
| +017+ | 2.19 | Madison Bumgarner | 53.7 | SFN |
| +018+ | 2.16 | Anibal Sanchez | 52.7 | DET |
| +022+ | 2.01 | James Shields | 58 | KCA |
| +024+ | 1.99 | Kyle Kendrick | 54.7 | PHI |
| +026+ | 1.94 | Hiroki Kuroda | 50.7 | NYA |
| +031+ | 1.77 | Matt Moore | 48 | TBA |
| +032+ | 1.76 | Jon Lester | 59.7 | BOS |
| +040+ | 1.65 | A.J. Burnett | 56 | PIT |
| +042+ | 1.63 | Kevin Slowey | 49.3 | MIA |
| +043+ | 1.56 | Yu Darvish | 52.7 | TEX |
| +044+ | 1.55 | Cliff Lee | 56.7 | PHI |
| +046+ | 1.53 | Mike Minor | 52.3 | ATL |
| +049+ | 1.46 | Jeremy Guthrie | 54.3 | KCA |
| +051+ | 1.44 | Chris Sale | 56.3 | CHA |
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