Rob Gronkowski plays oversized role in Bucs' Super Bowl win - Los Angeles Times
Why Now: What Got Rob Gronkowski Out of Retirement
Rob Gronkowski retires: New England Patriots tight end steps away from NFL – The Denver Post
Rob Gronkowski confident Tom Brady will not retire this season
Rob Gronkowski sends Tom Brady heartfelt retirement message
ESPN: Rob Gronkowski coming out of retirement to join Tom Brady and the Bucs
A Timeline of Tom Brady and Rob Gronkowski's 11-Year Friendship
Tom Brady: Rob Gronkowski 'shocked' by former team-mate's retirement aged 45, saying he could still play until he is 50, NFL News
Rob Gronkowski says he's open to retiring with the Patriots
Four-time Super Bowl champion Rob Gronkowski retires from NFL for second time, NFL
Patriots Tight End Rob Gronkowski Announces Retirement