Rob Gronkowski announces retirement from the NFL, again - Pats Pulpit
Buccaneers tried to woo Rob Gronkowski out of retirement
Rob Gronkowski announces retirement
Gronk reaffirms he's 'done with football,' even if Tom Brady beckons
Rob Gronkowski Intends To Retire
Rob Gronkowski announces retirement from NFL – WSOC TV
Rob Gronkowski Retiring From Tampa Bay Bucs, NFL For 2nd Time
Patriots and NFL players post heartfelt tributes to retiring legend Rob Gronkowski
Rob Gronkowski Announces Retirement From NFL
Rob Gronkowski won't rejoin NFL, will stay retired with Tom Brady
Buccaneers Tight End Rob Gronkowski Says He Will Retire, Again
What Rob Gronkowski's agent said about the days leading up to the retirement announcement - The Boston Globe
Rob Gronkowski says there's a very good chance he returns to Buccaneers – NBC Sports Boston
Rob Gronkowski announces retirement from NFL AGAIN in emotional Instagram post months after Tom Brady teased new career