By Alek Arend Dallas Cowboys head coach Mike McCarthy has made his preference for Micah Parsons very clear. Parsons was nearly unstoppable during his rookie season. The former Penn State star had 84 tackles with 13 sacks last year. Looking ahead, some fans have questioned why the Cowboys don’t always play Parsons at defensive end. There’s a clear answer. McCarthy wants his young star moving all around on defense, giving the opponent all sorts of looks. “The people that say, ‘Hey, why don’t you play him at defensive end?’ Very fair. That’s a very fair question,” McCarthy said, via the team’s we…