Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Rob Gronkowski retires: New England Patriots tight end steps away from NFL – The Denver Post
Patriots tight end Rob Gronkowski announces he is retiring
Bill Belichick Statement on Rob Gronkowski
New England Patriots tight end Rob Gronkowski announces retirement, New England Patriots
NFL on FOX - New England Patriots star Rob Gronkowski -Gronk has announced his retirement from the NFL after 9 seasons with New England.
Rob Gronkowski says he would need a month of training to come out of retirement
Rob Gronkowski Announces Retirement From NFL - Sactown Sports
Rob Gronkowski retires again, but could make another comeback in 2022 or 2023, agent says (report)
Patriots tight end Rob Gronkowski announces retirement on social media
New England Patriots tight end, former Arizona star Rob Gronkowski announces retirement