| Starter | Tm | Tier | Game |
|---|---|---|---|
| Justin Verlander | DET | 6.99 | 201304070_NYA_DET |
| Johnny Cueto | CIN | 6.45 | 201304070_WAS_CIN |
| Clayton Kershaw | LAN | 6.41 | 201304060_PIT_LAN |
| Matt Cain | SFN | 6.31 | 201304070_SLN_SFN |
| Jered Weaver | ANA | 5.98 | 201304070_ANA_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jeff Francis | COL | -4.04 | 201304050_SDN_COL |
| Jake Arrieta | BAL | -3.44 | 201304050_MIN_BAL |
| J.A. Happ | TOR | -2.98 | 201304060_BOS_TOR |
| Edinson Volquez | SDN | -2.68 | 201304070_SDN_COL |
| Ricky Nolasco | MIA | -2.51 | 201304060_MIA_NYN |
Based on accumulated WAA for this season up to 2013-04-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.46 | Clayton Kershaw | 16 | LAN |
| XXXXX | 1 | Justin Masterson | 13 | CLE |
| XXXXX | 0.78 | Jhoulys Chacin | 13.3 | COL |
| XXXXX | 0.77 | Brett Anderson | 13 | OAK |
| XXXXX | 0.76 | Cliff Lee | 8 | PHI |
| XXXXX | 0.75 | Madison Bumgarner | 8 | SFN |
| XXXXX | 0.72 | Jon Lester | 12 | BOS |
| XXXXX | 0.67 | Alex Cobb | 7.3 | TBA |
| XXXXX | 0.66 | Chris Sale | 14.7 | CHA |
| XXXXX | 0.65 | Wandy Rodriguez | 6.7 | PIT |
| XXXXX | 0.65 | Barry Zito | 7 | SFN |
| XXXXX | 0.64 | Matt Harvey | 7 | NYN |
| XXXXX | 0.64 | Yu Darvish | 13.7 | TEX |
| XXXXX | 0.6 | Alejandro Sanabia | 6 | MIA |
| XXXXX | 0.59 | Alexi Ogando | 6.3 | TEX |
| XXXXX | 0.59 | Travis Wood | 6 | CHN |
| XXXXX | 0.58 | Zack Greinke | 6.3 | LAN |
| XXXXX | 0.56 | Jake Westbrook | 6.7 | SLN |
| XXXXX | 0.55 | Matt Moore | 6 | TBA |
| XXXXX | 0.55 | Ross Detwiler | 6 | WAS |
| XXXXX | 0.55 | Gio Gonzalez | 6 | WAS |
| XXXXX | 0.55 | Andy Pettitte | 8 | NYA |
| XXXXX | 0.53 | Justin Verlander | 12.3 | DET |
| XXXXX | 0.53 | Jon Niese | 12.7 | NYN |
| XXXXX | 0.53 | Hyun-Jin Ryu | 12.7 | LAN |
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