Rob Gronkowski Announces Retirement From The NFL – Hollywood Life
Buccaneers tight end Rob Gronkowski retires for second time
Rob Gronkowski retires from NFL after 11 years with Patriots, Bucs
Rob Gronkowski announces retirement from the NFL
Rob Gronkowski announces retirement from NFL for second time
Rob Gronkowski Announces Retirement From NFL - Sactown Sports
Rob Gronkowski retires: New England Patriots tight end steps away from NFL – The Denver Post
Rob Gronkowski Announces Retirement From NFL, Again
Rob Gronkowski retires as the greatest tight end of all time - Pats Pulpit
Rob Gronkowski retirement: How the future HOF tight end's decision to hang up his cleats affects the Buccaneers