New England Patriots tight end Rob Gronkowski announces retirement, New England Patriots
Rob Gronkowski on retiring from NFL at age 29: 'I didn't even want to negotiate' - Good Morning America
Tampa Bay Buccaneers TE Rob Gronkowski retiring from NFL for second time - ESPN
Rob Gronkowski announces second retirement from football
Rob Gronkowski retiring from NFL for second time - CBS Boston
New England Patriots tight end Rob Gronkowski retires from the NFL
Rob Gronkowski Is Hosting His Own Music Festival After Retiring From NFL
Rob Gronkowski announces retirement from the NFL
Rob Gronkowski retires for second time following decorated 11-year career with Patriots, Buccaneers
Rob Gronkowski announces his second retirement from playing football
Rob Gronkowski Announces Retirement From The NFL – Hollywood Life
Patriots tight end Rob Gronkowski announces his retirement on Instagram
Rob Gronkowski Retired. Again. - The New York Times