Heavy Cam Ward is the centerpiece of the Titans' future success in Nashville. Multiple things can be true in the NFL at the same time. Mike Vrabel is a legitimately great head coach. The Tennessee Titans made organizational mistakes. And yet, there’s one thing that can never be true together: Vrabel’s competence and Cam Ward both wearing a Titans uniform.  If Vrabel had stayed and kept the roster hovering around or above .500, Tennessee never bottoms out for Ward at No. 1. The draft pick stays