Gronk in WNY through the years
Rob Gronkowski strong-armed his way to Tampa, and Patriots had little leverage - The Athletic
Rob Gronkowski announces his retirement from the NFL at 29 - The Washington Post
Report: Buffalo Native Rob Gronkowski Almost Signed With The Buffalo Bills
Rob Gronkowski, WNY native & thorn in Buffalo Bills' side, officially retires
Patriots tight end Rob Gronkowski announces retirement
Patriots' Rob Gronkowski announces his retirement following nine NFL seasons - Los Angeles Times
Rob Gronkowski - Wikipedia
Rob Gronkowski announces retirement from NFL – Boston 25 News
Rob Gronkowski Announces 2nd Retirement From NFL
Rob Gronkowski Still Mulling Retirement
Rob Gronkowski calls the thought of playing for the Bills 'unbelievable' – but confirms he's retired
6 Post-NFL Career Options for Rob Gronkowski