Trade History: Patriots Lost Out on Rice, but Used Deals to Build a Modern Dynasty — Inside The Hashes
Former Patriots TE Rob Gronkowski announces retirement for 2nd time
Rob Gronkowski retires from NFL after 11 years with Patriots, Bucs
Ranking Best 2nd RD Draft Picks of Last 20 Yrs: Gronk at #1
Rob Gronkowski retires for second time after decorated 11-year NFL career - Mirror Online
A Look Back at Tom Brady's NFL Career - WSJ
Rob Gronkowski addresses leaving Patriots off latest retirement post: 'It's a little blown out of proportion'
Big tight end Rob Gronkowski fights off injuries to bring Patriots to edge of Super Bowl title – New York Daily News