Rob Gronkowski timeline: How Tom Brady, Buccaneers lured Gronk out of NFL retirement
Rob Gronkowski retirement: Tom Brady has hilarious response to news that he could spur (another) NFL comeback
Rob Gronkowski retires with 3 Super Bowl rings. What's next for Patriots?
Rob Gronkowski Announces His Retirement - Sports Illustrated
Rob Gronkowski's Agent Shares 'Gut Feeling' About TE's Return
Gronk reached out to Bucs about potential return, opted to stay retired
Fantasy Football: Rob Gronkowski's retirement announcement leaves big questions for Buccaneers (for now)
Tom Brady needs Rob Gronkowski according to Robert Griffin III
Rob Gronkowski retires: Bucs TE to end his Hall of Fame NFL career
Internet reacts to Rob Gronkowski's retirement announcement - ESPN
Fantasy Fallout: Rob Gronkowski Retires - NBC Sports