Rob Gronkowski retirement: How the future HOF tight end's decision to hang up his cleats affects the Buccaneers
Rob Gronkowski retires: Tom Brady leads tributes to four-time Super Bowl winner
Patriots TE Rob Gronkowski announces retirement
Rob 'Gronk' Gronkowski announces retirement from Buccaneers, NFL on Instagram
Rob Gronkowski retires from the NFL
Former Arizona Wildcat Rob Gronkowski retires from NFL for second time - Arizona Desert Swarm
Rob Gronkowski says he'd choose to retire if forced into decision 'right now'
Patriots Tight End Rob Gronkowski Announces Retirement
Rob Gronkowski Announces NFL Retirement for Second Time (UPDATE)