Tom Brady is returning to Tampa to play 23rd season in NFL - WHYY
Rob Gronkowski - Tight end announces his retirement - Fantasy Index
Rob Gronkowski Announces 2nd Retirement From NFL
What happened to Rob Gronkowski? He's a 'blocking tight end' with the Buccaneers
Buccaneers bringing Gronk back was more important than you might think - Bucs Nation
Rob Gronkowski Intends To Retire
Tampa Bay Buccaneers TE Rob Gronkowski retiring from NFL for second time - ESPN
Tom Brady is returning to Tampa to play 23rd season in NFL
Former NFL WR compares Rob Gronkowski's retirement saga to HOF QB
Could former Buc, NFL star Gronk make a return to NFL?
Rob Gronkowski, Buccaneers clinch Super Bowl berth with win over Packers in NFC championship game - Arizona Desert Swarm
Tampa Bay Buccaneers TE Rob Gronkowski Retiring, Again