RBs on Cowboys' radar?

The NFL's silly season is underway, so prepare for a lot of mixed signals when it comes to both impending free agents and the draft. In assessing a lot of the noise that comes in, it helps to think about whether specific moves would be logical for the teams involved. One of the logical moves we may see being made in the weeks ahead, though, is the Dallas Cowboys addressing their need for RB depth behind starter DeMarco Murray.