Rob Gronkowski retires: New England Patriots legend ends NFL
Gronk reaffirms he's 'done with football,' even if Tom Brady beckons
Rob Gronkowski Announces NFL Retirement After 9 Seasons with
Rob Gronkowski Announces Retirement
Rob Gronkowski Announces His Retirement - Sports Illustrated
Rob 'Gronk' Gronkowski announces retirement from Buccaneers, NFL
Patriots tight end Rob Gronkowski announces retirement
Patriots tight end Rob Gronkowski announces his retirement on
NFL star Rob Gronkowski announces his retirement, Sports