Rob Gronkowski Retiring From Tampa Bay Bucs, NFL For 2nd Time
Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Buccaneers TE Rob Gronkowski announces retirement on Instagram
Rob Gronkowski, 4-Time Super Bowl Champ, Retires from NFL a Second Time
Rob Gronkowski announces his NFL retirement, but his agent not convinced
Tampa Bay Buccaneers Tight End Rob Gronkowski Announces Retires, 11 NFL Seasons and 4 Super Bowls
Tom Brady: Rob Gronkowski 'shocked' by former team-mate's retirement aged 45, saying he could still play until he is 50, NFL News
Rob Gronkowski Says He's '100 Percent Retired' Even If Tom Brady Makes Comeback, News, Scores, Highlights, Stats, and Rumors
Rob Gronkowski, Bucs agree to one year deal - Bucs Nation
Rob Gronkowski retires (again) from NFL, revisited: Why former Buccaneers, Patriots tight end called it a career
Rob Gronkowski retires from the NFL again - The Boston Globe
Rob Gronkowski's Retirement, Training Camp Dates & More
Rob Gronkowski Says He Won't Return to NFL, Even If Tom Brady Asks