Rob Gronkowski suggests he and Tom Brady are permanently retired
Rob Gronkowski Announces He's Retiring, 'I Gave It Everything I Had'
Rob Gronkowski retires, won't join Tom Brady for 3rd season
Former Patriots TE Rob Gronkowski announces retirement for 2nd time
Rob Gronkowski announces retirement from the NFL - Hernando Sun
Ex-Wildcat Rob Gronkowski announces retirement from NFL
Rob Gronkowski Announces He's Retiring, 'I Gave It Everything I Had'
Patriots trade Rob Gronkowski to Buccaneers for 4th-round pick
Rob Gronkowski's Agent Reveals 'Gut Feeling' on Comeback
Rob Gronkowski announces retirement from NFL – WFTV
Rob Gronkowski on retiring from NFL at age 29: 'I didn't even want to negotiate' - Good Morning America
Rob Gronkowski Is Bulking Up Ahead of His Return to the NFL
Rob Gronkowski Offers Advice on Career Contract Earnings in NFL