Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Rob Gronkowski on excluding Patriots in second retirement post
Buccaneers' Plans to Sign Next Rob Gronkowski Hijacked After Lions Agree to Trade Star TE to Division Rivals - EssentiallySports
Rob Gronkowski joins ranks of notable athletes to come out of retirement - ESPN
Rob Gronkowski retires for second time after decorated 11-year NFL career - Mirror Online
Gronk kicking field goals during the Super Bowl?
Rob Gronkowski retires for second time after decorated 11-year NFL career - Mirror Online
Patriots trade Rob Gronkowski to Brady's Buccaneers as TE ends retirement
Patriots win a shootout - The Boston Globe