| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Lee | PHI | 6.33 | 201304150_PHI_CIN |
| Gio Gonzalez | WAS | 4.36 | 201304140_ATL_WAS |
| Doug Fister | DET | 2.93 | 201304160_DET_SEA |
| Kris Medlen | ATL | 2.06 | 201304160_KCA_ATL |
| Hiroki Kuroda | NYA | 1.82 | 201304140_BAL_NYA |
| 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 2013-04-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.86 | Paul Maholm | 20.3 | ATL |
| +004+ | 1.84 | Clay Buchholz | 22 | BOS |
| +003+ | 1.84 | Justin Masterson | 22 | CLE |
| +006+ | 1.65 | Matt Harvey | 22 | NYN |
| +008+ | 1.57 | Clayton Kershaw | 23.3 | LAN |
| +011+ | 1.41 | Cliff Lee | 23.7 | PHI |
| +012+ | 1.38 | Jake Westbrook | 15.7 | SLN |
| XXXXX | 1.24 | Derek Holland | 22 | TEX |
| XXXXX | 1.15 | Alexi Ogando | 16.7 | TEX |
| XXXXX | 1.14 | Jon Lester | 19 | BOS |
| XXXXX | 1.11 | Kris Medlen | 19 | ATL |
| XXXXX | 1.11 | Carlos Villanueva | 14 | CHN |
| XXXXX | 1.11 | Anibal Sanchez | 19 | DET |
| XXXXX | 1.08 | Matt Moore | 11.3 | TBA |
| XXXXX | 1.05 | Madison Bumgarner | 20.3 | SFN |
| XXXXX | 1.02 | Travis Wood | 19.7 | CHN |
| XXXXX | 0.99 | Andy Pettitte | 15 | NYA |
| XXXXX | 0.99 | Ross Detwiler | 13 | WAS |
| XXXXX | 0.98 | Mike Minor | 13 | ATL |
| XXXXX | 0.91 | Bud Norris | 18.3 | HOU |
| XXXXX | 0.89 | Adam Wainwright | 22 | SLN |
| XXXXX | 0.88 | Hisashi Iwakuma | 20.7 | SEA |
| XXXXX | 0.87 | Jhoulys Chacin | 18.3 | COL |
| XXXXX | 0.86 | Jaime Garcia | 19.3 | SLN |
| XXXXX | 0.84 | Kevin Slowey | 17.7 | MIA |
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