By ROB MAADDI and AARON BEARD Bill Belichick had seemingly been waiting for the right opportunity to return to an NFL sideline. Instead, the six-time Super Bowl-winning head coach is headed to the college ranks to take over at North Carolina. The school announced it had reached a five-year deal with Belichick on Wednesday night, roughly a week after Belichick’s name surfaced as an unlikely candidate to replace the program’s winningest coach in Mack Brown.