| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 13.83 | 201305260_SLN_LAN |
| Jordan Zimmermann | WAS | 6.75 | 201305240_PHI_WAS |
| Felix Hernandez | SEA | 5.97 | 201305250_TEX_SEA |
| Johnny Cueto | CIN | 3.54 | 201305260_CHN_CIN |
| CC Sabathia | NYA | 2.18 | 201305260_NYA_TBA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Pelfrey | MIN | -2.78 | 201305260_MIN_DET |
| Roberto Hernandez | TBA | -2.25 | 201305240_NYA_TBA |
| Dillon Gee | NYN | -1.96 | 201305250_ATL_NYN |
| Felix Doubront | BOS | -1.82 | 201305260_CLE_BOS |
| Erik Bedard | HOU | -1.19 | 201305240_OAK_HOU |
Based on accumulated WAA for this season up to 2013-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 4.44 | Clayton Kershaw | 80.3 | LAN |
| +003+ | 3.98 | Jordan Zimmermann | 73.7 | WAS |
| +004+ | 3.85 | Clay Buchholz | 72.7 | BOS |
| +006+ | 3.46 | Patrick Corbin | 68.3 | ARI |
| +007+ | 3.31 | Matt Harvey | 70 | NYN |
| +012+ | 2.84 | Shelby Miller | 62.3 | SLN |
| +013+ | 2.78 | Hisashi Iwakuma | 72.7 | SEA |
| +014+ | 2.69 | Cliff Lee | 72.7 | PHI |
| +016+ | 2.68 | Adam Wainwright | 72 | SLN |
| +017+ | 2.67 | James Shields | 73 | KCA |
| +019+ | 2.61 | Felix Hernandez | 75.3 | SEA |
| +020+ | 2.59 | Stephen Strasburg | 72.3 | WAS |
| +021+ | 2.55 | Matt Moore | 61 | TBA |
| +024+ | 2.37 | Mike Minor | 65.7 | ATL |
| +025+ | 2.33 | A.J. Burnett | 70 | PIT |
| +026+ | 2.26 | Anibal Sanchez | 64.3 | DET |
| +031+ | 2.13 | Alex Cobb | 67.7 | TBA |
| +032+ | 2.11 | Jeff Locke | 58.7 | PIT |
| +037+ | 2 | Travis Wood | 66 | CHN |
| +047+ | 1.83 | Hiroki Kuroda | 60.7 | NYA |
| +048+ | 1.79 | Yu Darvish | 66.7 | TEX |
| +055+ | 1.62 | Madison Bumgarner | 65.3 | SFN |
| +057+ | 1.6 | Trevor Cahill | 64 | ARI |
| +056+ | 1.6 | Jerome Williams | 52.3 | ANA |
| +059+ | 1.58 | Derek Holland | 66.7 | TEX |
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