Biggest offseason question for every NFL team, NFL News, Rankings and Statistics
Rob Gronkowski, who has had an amazing comeback, doesn't know yet if he'll keep playing
NFL Rob Gronkowski: Was he tweeting about his future without telling the fans?
4-time champion, All-Pro tight end Rob Gronkowski announces retirement
Rob Gronkowski Needs A Few Weeks To Decide On His Future, But Hints He May Still Play Even If Tom Brady Retires - CBS Boston
Rob Gronkowski to 'take some time' to mull NFL future, reveals 2 things he still wants to accomplish
Rob Gronkowski announces retirement
Rob Gronkowski retires, won't join Tom Brady for 3rd season
Why did Gronk retire? Timeline of NFL retirement, comeback - Sports Illustrated