Tampa Bay Buccaneers TE Rob Gronkowski retiring from NFL for second time - ESPN
Rob Gronkowski closes the door on possible NFL comeback, says he's 'happily retired'
Rob Gronkowski to host official retirement party at Mohegan Sun
Rob Gronkowski retires again, but could make another comeback in 2022 or 2023, agent says (report)
Rob Gronkowski To Return In 2021, Hopes To Play For Bucs
Rob Gronkowski says he's retiring from football, again
Rob Gronkowski shares what it would take to get him back in NFL
Gronk Retires, But His Agent Leaves an Opening - Sports Illustrated
Tom Brady: Rob Gronkowski 'shocked' by former team-mate's retirement aged 45, saying he could still play until he is 50, NFL News
Former Patriots TE Rob Gronkowski announces retirement for 2nd time
Rob Gronkowski Discussed Second Unretirement With Buccaneers
BREAKING: Rob Gronkowski Retires from Football
Rob Gronkowski retires from the NFL again - The Boston Globe
Rob Gronkowski Says He's '100 Percent Retired' Even If Tom Brady Makes Comeback, News, Scores, Highlights, Stats, and Rumors
Rob Gronkowski announces retirement from NFL AGAIN in emotional Instagram post months after Tom Brady teased new career