Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Gronk ponders retirement from the Tampa Bay Buccaneers
Rob Gronkowski announces retirement from the NFL - Hernando Sun
Rob Gronkowski Announces Retirement From NFL - Sactown Sports
Rob Gronkowski Honors Tom Brady After NFL Retirement, Calls Time with QB 'Special', News, Scores, Highlights, Stats, and Rumors
Rob 'Gronk' Gronkowski announces retirement from Buccaneers, NFL on Instagram
NFL world reacts to Rob Gronkowski retiring for a second time
Tampa Bay Buccaneers TE Rob Gronkowski retiring from NFL for second time - ESPN
4-time champion, All-Pro tight end Rob Gronkowski announces retirement
Rob Gronkowski announces his NFL retirement
Buccaneers' Gronkowski announces retirement from NFL for second time
Washed' 4x Super Bowl champ Rob Gronkowski leaves door open for NFL return with Cowboys rival
Who is Rob Gronkowski and why is he retiring?