Rob Gronkowski says he's not really retired
Tampa Bay Buccaneers Tight End Rob Gronkowski Announces Retires, 11 NFL Seasons and 4 Super Bowls
I played just one NFL game and also have a Super Bowl ring - I could've been really good if I had my pro brother's size
Retired Tampa Bay Buccaneers TE Rob Gronkowski says he's not planning a return - ESPN
Tampa Bay Buccaneers Tight End Rob Gronkowski Announces Retires, 11 NFL Seasons and 4 Super Bowls
Rob Gronkowski: NFL return to Tampa Bay Buccaneers leaves one question
Rob Gronkowski reunited with Tom Brady in Tampa Bay
Bucs tight end Rob Gronkowski is not ready to get back to football - Bucs Nation
Tampa Bay Buccaneers Tight End Rob Gronkowski Announces Retires, 11 NFL Seasons and 4 Super Bowls
What the Fox Sports deal means for Tom Brady's future
Tom Brady gets very honest about missing Rob Gronkowski