Patriots tight end Rob Gronkowski announces retirement

FILE - In this Feb. 1, 2015, file photo, New England Patriots tight end Rob Gronkowski celebrates after the Patriots defeated the Seattle Seahawks in the NFL Super Bowl football game in Glendale, Ariz. Gronkowski says he is retiring from the NFL after nine seasons. Gronkowski announced his decision via a post on Instagram Sunday, March 24, 2019, saying that a few months shy of this 30th birthday “its time to move forward and move forward with a big smile.” (AP Photo/Matt Rourke, File)

BOSTON — The party’s over for Rob Gronkowski. Then again, it might just be getting started.