Patriots tight end Rob Gronkowski announces retirement
Patriots' Rob Gronkowski announces his retirement following nine NFL seasons - Los Angeles Times
Rob Gronkowski Announces 2nd Retirement From NFL
Rob Gronkowski retires for second time after 11 seasons in NFL - The Washington Post
Former Patriots great Rob Gronkowski retires for a second time
Rob Gronkowski formally announces NFL retirement for second time - On3
Rob Gronkowski announces his second retirement from playing football
Rob Gronkowski reveals how depressing it was playing for the New England Patriots
Patriots TE Rob Gronkowski announces retirement
Rob Gronkowski retires again, but could make another comeback in 2022 or 2023, agent says (report)
Rob Gronkowski announces retirement
Rob Gronkowski Intends To Retire
Rob Gronkowski announces retirement from NFL for second time
4-time champion, All-Pro tight end Rob Gronkowski announces retirement
Rob Gronkowski retires (again) from NFL: Why we hope this one doesn't stick either