Rob Gronkowski accepted an award at a USO dinner, and hilarity ensued - The Washington Post
Retired Patriots TE Rob Gronkowski had awesome time returning to Foxborough
Rob Gronkowski to reunite with Tom Brady with Tampa Bay Buccaneers
Gronkowski hints at NFL return, names one coach who could make it happen
Fantasy Impact of Rob Gronkowski Retiring - Draft Network
Rob Gronkowski shoots down possible return to NFL - Sports Illustrated
Patriots' Robert Kraft: Rob Gronkowski hasn't filed his retirement papers yet, won't rule out a return
Retired Rob Gronkowski can no longer return to the Patriots this season and here's why
Rob Gronkowski dismisses return to NFL: 'I retired for a reason'
Gronk on possible NFL return: 'It's a no'