Rob Gronkowski retires for second time after 11 seasons in NFL - The Washington Post
Former Patriots TE Rob Gronkowski announces retirement for 2nd time
Rob Gronkowski retires after 9 seasons with Patriots, 2 with Buccaneers - The Athletic
CHEERS TO WHAT'S NEXT': Gronkowski retires for second time in his career
New England Patriots - Wikipedia
Inside story of how Tom Brady's Bucs came together for the QB's seventh Super Bowl title - Sports Illustrated
Big tight end Rob Gronkowski fights off injuries to bring Patriots to edge of Super Bowl title – New York Daily News
Rob Gronkowski Announces NFL Retirement for Second Time (UPDATE)
Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Rob Gronkowski Retires from NFL After 11-Year Career with Patriots, Buccaneers, News, Scores, Highlights, Stats, and Rumors
Rob Gronkowski Discussed Second Unretirement With Buccaneers
In year two out of retirement, Rob Gronkowski ready to go “full speed” - Bucs Nation