4-time champion, All-Pro tight end Rob Gronkowski announces retirement
Four-time Super Bowl champion Rob Gronkowski announces retirement after 11 seasons with Patriots, Buccaneers
BREAKING: Rob Gronkowski comes out of retirement, TRADED to Tampa Bay
Rob Gronkowski announces retirement
Patriots tight end Rob Gronkowski retires from NFL
Tampa Bay Buccaneers TE Rob Gronkowski retiring from NFL for second time - ESPN
Bucs' Rob Gronkowski retires, leaves door open for NFL return
Rob Gronkowski on retiring from NFL at age 29: 'I didn't even want to negotiate' - ABC News
Rob Gronkowski retires as the greatest tight end of all time - Pats Pulpit
Money-Saving Tips From Patriots' Rob Gronkowski
Rob Gronkowski Retiring From Tampa Bay Bucs, NFL For 2nd Time