Rob Gronkowski Announces Retirement From the NFL
Rob Gronkowski announces his retirement from NFL for second time
Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
Rob Gronkowski Talks Retirement, CBD, Losing Weight, NFL Changes
Rob Gronkowski announces retirement from the NFL - Hernando Sun
Rob Gronkowski drops RETIREMENT hint after Super Bowl 52 – and fans are freaking out, Other, Sport
Ex-Wildcat Rob Gronkowski announces retirement from NFL
Rob Gronkowski Leaves Possible Hint at Return: Analysis
Rob Gronkowski Announces Retirement From The NFL – Hollywood Life
Gronkowski: Retirement could end in three months or three years - Los Angeles Times