By now, you’ve probably heard the rumors about New England Patriots tight end Rob Gronkowski contemplating retirement. Between a possible acting career and reported friction between him and head coach Bill Belichick, it’s hard to get a read on why the 28-year-old won’t commit to playing in the 2018 season. But former Pats tight end Jermaine Wiggins thinks he may know why the tight end has been so tight-lipped about his future — because he’s frustrated. Wiggins told TMZ Sports he believes it’s a money issue and that Gronkowski should be getting paid more than his current contract. “He should be getting paid $ 15-16 million a year,... NESN.com