Former Patriots TE Rob Gronkowski announces retirement for 2nd
Rob Gronkowski announces his second retirement from playing football
Rob Gronkowski formally announces NFL retirement for second time - On3
Rob Gronkowski says he's retiring from football, again
Patriots tight end Rob Gronkowski announces retirement
Rob Gronkowski Retired With $54 Million: Advice for Saving Money
Patriots tight end Rob Gronkowski announces retirement
Rob Gronkowski Announces NFL Retirement After 9 Seasons with
Patriots' Rob Gronkowski announces his retirement following nine
Rob Gronkowski won't return to NFL even if Tom Brady calls
Patriots tight end Rob Gronkowski announces retirement
Rob Gronkowski Honors Tom Brady After NFL Retirement, Calls Time