Titans cut 15 players, including Stafon Johnson

Myron Rolle wasn’t the only young Titans player with a familiar backstory that got cut on Friday. Former USC running back Stafon Johnson, who has battled back from a life-threatening accident and a season-ending injury in 2010, was waived by Tennessee.  He’ll be a candidate for the practice squad. Also cut: T Pat McQuistan, LB…