Rob Gronkowski announced as featured speaker for Arizona Bowl luncheon
Rob Gronkowski Announces 2nd Retirement From NFL
Rob Gronkowski announces retirement after 11 NFL seasons
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New England Patriots tight end Rob Gronkowski retires from the NFL
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Rob Gronkowski - Wikipedia
Rob Gronkowski retires from NFL after 11 years with Patriots, Bucs
Bucs' Rob Gronkowski retires, leaves door open for NFL return
Rob Gronkowski retires, won't join Tom Brady for 3rd season
Rob Gronkowski retires, won't join Tom Brady for 3rd season in
NFL Twitter Reacts to Rob Gronkowski's Retirement Decision
Former Wildcat Rob Gronkowski officially retires from NFL