| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 9.18 | 201304170_SDN_LAN |
| Justin Verlander | DET | 7.6 | 201304180_DET_SEA |
| Matt Cain | SFN | 3.74 | 201304180_SFN_MIL |
| CC Sabathia | NYA | 3.55 | 201304170_ARI_NYA |
| Kyle Lohse | MIL | 2.88 | 201304170_SFN_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ubaldo Jimenez | CLE | -4.14 | 201304160_BOS_CLE |
| Jake Arrieta | BAL | -4.02 | 201304160_TBA_BAL |
| Jeff Francis | COL | -3.91 | 201304162_NYN_COL |
| Roberto Hernandez | TBA | -2.4 | 201304160_TBA_BAL |
| Phil Hughes | NYA | -2.35 | 201304180_ARI_NYA |
Based on accumulated WAA for this season up to 2013-04-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.86 | Paul Maholm | 20.3 | ATL |
| +003+ | 1.83 | Clay Buchholz | 22 | BOS |
| +005+ | 1.66 | Matt Harvey | 22 | NYN |
| +009+ | 1.45 | Justin Masterson | 27 | CLE |
| +010+ | 1.43 | Clayton Kershaw | 28.7 | LAN |
| +012+ | 1.42 | Ross Detwiler | 20 | WAS |
| +013+ | 1.41 | Cliff Lee | 23.7 | PHI |
| +016+ | 1.4 | Jake Westbrook | 15.7 | SLN |
| +018+ | 1.36 | Jon Lester | 26 | BOS |
| +019+ | 1.35 | Hisashi Iwakuma | 26.7 | SEA |
| +020+ | 1.34 | Carlos Villanueva | 21 | CHN |
| +023+ | 1.31 | Mike Minor | 19 | ATL |
| +024+ | 1.29 | Matt Moore | 18 | TBA |
| XXXXX | 1.24 | Derek Holland | 22 | TEX |
| XXXXX | 1.1 | Kris Medlen | 19 | ATL |
| XXXXX | 1.07 | Madison Bumgarner | 20.3 | SFN |
| XXXXX | 1.06 | Anibal Sanchez | 19 | DET |
| XXXXX | 1.01 | Travis Wood | 19.7 | CHN |
| XXXXX | 1 | Patrick Corbin | 19 | ARI |
| XXXXX | 0.99 | Justin Verlander | 25.3 | DET |
| XXXXX | 0.95 | Andy Pettitte | 15 | NYA |
| XXXXX | 0.9 | Felix Hernandez | 28.7 | SEA |
| XXXXX | 0.9 | Adam Wainwright | 29 | SLN |
| XXXXX | 0.88 | Jaime Garcia | 19.3 | SLN |
| XXXXX | 0.87 | C.C. Sabathia | 28 | NYA |
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