Greg Hansen: Gronk became NFL great after relatively quiet college career
Rob Gronkowski announces retirement
Buccaneers' Rob Gronkowski clears up rumors about retiring (again) after winning the Super Bowl (again)
Gronkowski reunites with Tom Brady after Patriots trade TE to Bucs
Is Rob Gronkowski going to be the next American action hero?, New England Patriots
Rob Gronkowski returns from retirement to reunite with Tom Brady on Tampa Bay Buccaneers
Rob Gronkowski retires (again) from NFL: Why we hope this one doesn't stick either
Patriots tight end Rob Gronkowski noncommittal on returning in 2018 - Pats Pulpit
Rob Gronkowski is doing something special in Tampa - never take his dominance for granted, NFL News
Rob Gronkowski Says He Won't Return to NFL, Even If Tom Brady Asks
Valley News - Gronkowski Banned For Sideline Incident
Patriots TE Rob Gronkowski restructures his contract to earn a possible pay bump for 2017 - Pats Pulpit