Rob Gronkowski on retiring from NFL at age 29: 'I didn't even want
Rob Gronkowski Announces His Retirement - video Dailymotion
Rob Gronkowski retires from the NFL
End of the NFL for Gronk after retirement announcement
Rob Gronkowski retires from NFL after 11 years with Patriots, Bucs
Patriots tight end Rob Gronkowski announces retirement
Patriots tight end Rob Gronkowski announces retirement
Four-time Super Bowl champion Rob Gronkowski announces retirement
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Rob Gronkowski Announces 2nd Retirement From NFL
Statement from Josh McDaniels on Rob Gronkowski's retirement
Rob Gronkowski retires: Bucs TE to end his Hall of Fame NFL career