Could a Trade Up Be in the Cards for the Dallas Cowboys?

Despite the Cowboys losing DeMarcus Ware and Jason Hatcher to free agency, there has been minimal turnover on the roster, but one glaring hole exists.

An in-depth look at the top draft needs for the Dallas Cowboys, and which prospects can fill those needs.
With a few needs being filled via free agency and compensatory picks awarded, where do the Cowboys go from here to build a contender?
With free agent dollars flying around, the Cowboys have opted to go the frugal route, this is a progress report of what they have accomplished so far.