CNN  —  The quarterback position has completely changed in the NFL. I want you to think of the prototypical quarterback of yesteryear. It’s probably a stiff and tall guy who stayed in the pocket and couldn’t run to save his life. Indeed, one of the greatest insults you could throw at a quarterback back then was that he was a “running quarterback”. Those days are gone now. The prototypical winning quarterback is one who can use his feet. And if your quarterback can’t run, chances are you’re