Patriots Gronkowski says he'll play in 2018
Gronk returns: Patriots trade Rob Gronkowski to Buccaneers
Bucs found a guy to keep the party going: It's Gronk!
Rob Gronkowski to Play for Tampa Bay Buccaneers Pending Physical
Patriots' Rob Gronkowski ends retirement saga, confirms he'll return for 2018 season
Retired Tampa Bay Buccaneers TE Rob Gronkowski says he's not planning a return - ESPN
PATRIOTS NOTEBOOK: What's the deal? Gronk 'super satisfied'
Patriots tight end Rob Gronkowski announces retirement
With trade to Buccaneers, Rob Gronkowski gets to return to the NFL on his own terms - The Boston Globe