Rob Gronkowski on retiring from NFL at age 29: 'I didn't even want to negotiate' - Good Morning America
Rob Gronkowski announces retirement from NFL – Boston Herald
Rob Gronkowski announces retirement from NFL – KIRO 7 News Seattle
Rob Gronkowski says he'd choose to retire if forced into decision 'right now'
Rob Gronkowski announces his retirement from the NFL, THE HERD
Rob Gronkowski announces his NFL retirement, but his agent not convinced
Rob Gronkowski retires after 9 seasons with Patriots, 2 with Buccaneers - The Athletic
Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Rob Gronkowski announces retirement from the NFL again
Rob Gronkowski wants to play with Joe Burrow?