Rob Gronkowski makes bold prediction about Bill Belichick's career, rips Patriots for 'ugly' Jerod Mayo firing

When Bill Belichick became the head coach at the University of North Carolina, he adamantly said he did not go there "to leave."

However, one of his former players, Rob Gronkowski, disagrees.

Belichick, after being off an NFL sideline for the first time in nearly 50 years, agreed last month to become the next head coach at UNC, saying it was a dream fulfilled to get into the college ranks.

However, Belichick has obviously found his success with the National Football League, and...