Retired Rob Gronkowski could make New England Patriots return in the future, says his agent, NFL News
Rob Gronkowski Says He'll Remain Retired Even If Tom Brady Calls in 2022 - Sports Illustrated
The Rob Gronkowski comeback rumors don't make any sense - Pats Pulpit
Tom Brady has yet to make a decision on retirement
See Tom Brady's Funny Response to Rob Gronkowski's Retirement
Retired Rob Gronkowski could make New England Patriots return in the future, says his agent, NFL News
NFL rumors: Don't be 'shocked' if Patriots' Rob Gronkowski's retirement doesn't last long
Rob Gronkowski retires again, but could make another comeback in 2022 or 2023, agent says (report)
Agent -- Gronk retired, but people change minds - ESPN
Adam Schefter- Brady is Retiring : r/buccaneers
Rob Gronkowski Announces 2nd Retirement From NFL