Patriots' Rob Gronkowski to have back surgery
Gronkowski suffered serious injuries before Patriots-Buccaneers
The greatness of Rob Gronkowski, and what's next for the Patriots - ESPN
New England TE Rob Gronkowski to undergo back surgery next month - Los Angeles Times
Patriots' Rob Gronkowski to undergo back surgery
Lions Nearly Traded For Rob Gronkowski This Offseason
Rob Gronkowski trade: Patriots send tight end to Buccaneers, reunites with Tom Brady - The Phinsider
Rob Gronkowski: Had 'Probably 20 Concussions'
Patriots Have Lost Gronkowski, but Not Their Firepower - The New York Times
Rob Gronkowski agrees to come out of retirement to play in Tampa Bay with Tom Brady
New England Patriots TE Rob Gronkowski to have back surgery
Reports: New England Patriots Trade Retired TE Rob Gronkowski To Tampa Bay Buccaneers