MOBILE, Ala. — As the Dallas Cowboys scoured defensive coaches to replace coordinator Matt Eberflus, they expected to glean a plan for defensive improvement from candidates. The Cowboys knew they wanted to employ more five-man fronts next season to capitalize on their trio of talented defensive tackles. What the Cowboys anticipated less, but nonetheless learned more about while interviewing defensive coordinators: the value of receiver George Pickens. The Cowboys knew when they traded for Pickens that just one year remained on the contract of the talented but mercurial player. The Cowboys must decide now how much they value Pickens and how to act on that value.