Rob Gronkowski will try a field goal in live Super Bowl ad, and (no joke), he has not ruled out a comeback - The Boston Globe
Rob Gronkowski announces retirement from NFL for second time
Four-time Super Bowl champion Rob Gronkowski announces retirement
Rob Gronkowski retires (again) from NFL, revisited: Why former Buccaneers, Patriots tight end called it a career
Rob Gronkowski Intends To Retire
Rob Gronkowski to host official retirement party at Mohegan Sun
Rob Gronkowski's Retirement, Training Camp Dates & More
Former Patriots TE Rob Gronkowski announces retirement for 2nd time
Patriots Tight End Rob Gronkowski Announces Retirement
New England Patriots tight end Rob Gronkowski announces retirement
Rob Gronkowski jokes he'll unretire if he makes Super Bowl field goal
Four-time Super Bowl champion Rob Gronkowski retires from NFL for second time, NFL