Rob Gronkowski retires, won't join Tom Brady for a third season in Tampa Bay
Tampa Bay Buccaneers tight end Rob Gronkowski retires again - Los Angeles Times
Rob Gronkowski he would retire if he had to decide today
Tom Brady officially announces his retirement from football after 22 seasons
Rob Gronkowski Says He'd Play With Joe Burrow, Now That Tom Brady's Retired - CBS Boston
Rob Gronkowski Says He Won't Unretire and Return to Bucs Even If Tom Brady Calls Him, News, Scores, Highlights, Stats, and Rumors
Rob Gronkowski retires, won't join Tom Brady for 3rd season
Tampa Bay Buccaneers TE Rob Gronkowski retiring from NFL for second time - ESPN
Tom Brady retires after 22 seasons, 7 Super Bowl titles