Rob Gronkowski takes a beating at WWE event in Boston, and he wasn
Ex-Patriots tight end Rob Gronkowski announces NFL retirement
Rob Gronkowski Announces Retirement
Rob Gronkowski announces his retirement
Patriots Suffer Big Loss: Gronkowski Will Retire - The New York Times
Four-time Super Bowl champion Rob Gronkowski retires from NFL for
Patriots tight end Rob Gronkowski announces retirement
NY Jets nemesis Rob Gronkowski is calling it a career once more