Bill Belichick will be back on an NFL sideline -- after he gets some much-deserved R&R -- according to one of the best players to ever suit up for the legendary Patriots coach, Rob Gronkowski!
TMZ Sports caught up with the future Hall of Fame tight end at his epic Gronk Beach Super Bowl party at Encore Beach Club at the Wynn in Las Vegas, and we asked Rob about BB's future.
"I think it's great he's going to take a year off," Rob told us, adding, "He needs it.