| Starter | Tm | Tier | Game |
|---|---|---|---|
| Justin Verlander | DET | 7.29 | 201304130_DET_OAK |
| Johnny Cueto | CIN | 6.63 | 201304130_CIN_PIT |
| Cliff Lee | PHI | 6.33 | 201304150_PHI_CIN |
| Gio Gonzalez | WAS | 4.36 | 201304140_ATL_WAS |
| James Shields | KCA | 2.95 | 201304130_TOR_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edinson Volquez | SDN | -2.88 | 201304130_COL_SDN |
| Joe Blanton | ANA | -2.8 | 201304150_ANA_MIN |
| Brett Myers | CLE | -1.8 | 201304140_CHA_CLE |
| Phil Hughes | NYA | -1.63 | 201304130_BAL_NYA |
| Gavin Floyd | CHA | -1.17 | 201304150_CHA_TOR |
Based on accumulated WAA for this season up to 2013-04-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.84 | Paul Maholm | 20.3 | ATL |
| +003+ | 1.82 | Justin Masterson | 22 | CLE |
| +004+ | 1.82 | Clay Buchholz | 22 | BOS |
| +006+ | 1.64 | Matt Harvey | 22 | NYN |
| +009+ | 1.56 | Clayton Kershaw | 23.3 | LAN |
| +011+ | 1.38 | Cliff Lee | 23.7 | PHI |
| +012+ | 1.37 | Jake Westbrook | 15.7 | SLN |
| +014+ | 1.28 | Barry Zito | 14 | SFN |
| XXXXX | 1.15 | Alexi Ogando | 16.7 | TEX |
| XXXXX | 1.13 | Jon Lester | 19 | BOS |
| XXXXX | 1.1 | Anibal Sanchez | 19 | DET |
| XXXXX | 1.1 | Carlos Villanueva | 14 | CHN |
| XXXXX | 1.07 | Matt Moore | 11.3 | TBA |
| XXXXX | 1.03 | Madison Bumgarner | 20.3 | SFN |
| XXXXX | 0.98 | Andy Pettitte | 15 | NYA |
| XXXXX | 0.97 | Mike Minor | 13 | ATL |
| XXXXX | 0.97 | Ross Detwiler | 13 | WAS |
| XXXXX | 0.89 | Bud Norris | 18.3 | HOU |
| XXXXX | 0.88 | Adam Wainwright | 22 | SLN |
| XXXXX | 0.87 | Hisashi Iwakuma | 20.7 | SEA |
| XXXXX | 0.87 | Jhoulys Chacin | 18.3 | COL |
| XXXXX | 0.85 | Jaime Garcia | 19.3 | SLN |
| XXXXX | 0.83 | Justin Verlander | 18.3 | DET |
| XXXXX | 0.83 | Kevin Slowey | 17.7 | MIA |
| XXXXX | 0.83 | Jose Fernandez | 11 | MIA |
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