Patriots TE Rob Gronkowski is expected to play in 2018
Four-time Super Bowl champion Rob Gronkowski retires from NFL for second time, NFL
Rob Gronkowski retires again, but could make another comeback in 2022 or 2023, agent says (report)
Rob Gronkowski to Reunite With Tom Brady in Tampa Bay - The New York Times
Buccaneers tight end Rob Gronkowski retires for second time
Why Now: What Got Rob Gronkowski Out of Retirement
Patriots tight end Rob Gronkowski announces retirement
Rob Gronkowski's Money, Endorsements, and How He Spends It
Rob Gronkowski retires from the NFL again - The Boston Globe
Patriots trade Rob Gronkowski to Bucs to play with Tom Brady
New England Patriots tight end Rob Gronkowski retires from the NFL