Former New England Patriot Rob Gronkowski retires for a second time – Fall River Reporter
Ex-New England Patriots Star Rob Gronkowski Unretiring? Only One Team Could Lure Him Back - Sports Illustrated New England Patriots News, Analysis and More
Rob Gronkowski retires for second time after 11 seasons in NFL - The Washington Post
Tampa Bay Buccaneers TE Rob Gronkowski to retire, NFL News, Rankings and Statistics
Rob Gronkowski, 4-Time Super Bowl Champ, Retires from NFL a Second Time
Patriots' Rob Gronkowski announces his retirement following nine NFL seasons - Los Angeles Times
Rob Gronkowski Announces NFL Retirement for Second Time (UPDATE)
Rob Gronkowski Announces NFL Retirement After 9 Seasons with Patriots, News, Scores, Highlights, Stats, and Rumors
Patriots tight end Rob Gronkowski announces retirement, National Sports
Former Patriots TE Rob Gronkowski announces retirement for 2nd time