Buccaneers' Rob Gronkowski announces retirement
Gronk's legacy: How does he stack up among the best to ever play tight end? - The Boston Globe
Rob Gronkowski timeline: How Tom Brady, Buccaneers lured Gronk out of NFL retirement
Rob Gronkowski retires for second time following decorated 11-year career with Patriots, Buccaneers
Rob Gronkowski Announces Retirement
Rob Gronkowski Intends To Retire
Rob Gronkowski to Reunite With Tom Brady in Tampa Bay - The New York Times
Tom Brady retires after 22 seasons, 7 Super Bowl titles
Rob Gronkowski retires (again) from NFL, revisited: Why former Buccaneers, Patriots tight end called it a career
TE Rob Gronkowski retires from the NFL after 11 seasons
Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Rob Gronkowski announces retirement