| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 9.18 | 201304170_SDN_LAN |
| Cliff Lee | PHI | 6.33 | 201304150_PHI_CIN |
| CC Sabathia | NYA | 3.55 | 201304170_ARI_NYA |
| Doug Fister | DET | 2.93 | 201304160_DET_SEA |
| 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 |
| Joe Blanton | ANA | -2.8 | 201304150_ANA_MIN |
| Roberto Hernandez | TBA | -2.4 | 201304160_TBA_BAL |
Based on accumulated WAA for this season up to 2013-04-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.85 | Paul Maholm | 20.3 | ATL |
| +003+ | 1.82 | Clay Buchholz | 22 | BOS |
| +006+ | 1.63 | Matt Harvey | 22 | NYN |
| +008+ | 1.44 | Justin Masterson | 27 | CLE |
| +010+ | 1.42 | Clayton Kershaw | 28.7 | LAN |
| +011+ | 1.41 | Ross Detwiler | 20 | WAS |
| +012+ | 1.4 | Cliff Lee | 23.7 | PHI |
| +013+ | 1.39 | Jake Westbrook | 15.7 | SLN |
| +016+ | 1.31 | Mike Minor | 19 | ATL |
| +019+ | 1.29 | Matt Moore | 18 | TBA |
| XXXXX | 1.22 | Derek Holland | 22 | TEX |
| XXXXX | 1.14 | Alexi Ogando | 16.7 | TEX |
| XXXXX | 1.12 | Jon Lester | 19 | BOS |
| XXXXX | 1.1 | Kris Medlen | 19 | ATL |
| XXXXX | 1.1 | Carlos Villanueva | 14 | CHN |
| XXXXX | 1.05 | Madison Bumgarner | 20.3 | SFN |
| XXXXX | 1.03 | Anibal Sanchez | 19 | DET |
| XXXXX | 1 | Travis Wood | 19.7 | CHN |
| XXXXX | 0.98 | Andy Pettitte | 15 | NYA |
| XXXXX | 0.93 | C.C. Sabathia | 28 | NYA |
| XXXXX | 0.9 | Adam Wainwright | 22 | SLN |
| XXXXX | 0.88 | Felix Hernandez | 28.7 | SEA |
| XXXXX | 0.87 | Jaime Garcia | 19.3 | SLN |
| XXXXX | 0.86 | Jhoulys Chacin | 18.3 | COL |
| XXXXX | 0.82 | Jose Fernandez | 11 | MIA |
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