I just spoke with Rob Gronkowski, who tells me he keeps on being asked about an NFL comeback. He says he's 100 percent retired, and won't…
Patriots tight end Rob Gronkowski announces retirement
BREAKING: Rob Gronkowski Retires from Football
Former Wildcat and four-time Super Bowl champion Rob Gronkowski retires from the NFL again – The Daily Wildcat
Rob Gronkowski announces second retirement from football
Rob Gronkowski retires again, but could make another comeback in 2022 or 2023, agent says (report)
Rob Gronkowski says he's retiring from the NFL for a second time
Tom Brady: Rob Gronkowski 'shocked' by former team-mate's retirement aged 45, saying he could still play until he is 50, NFL News
Rob Gronkowski says he's retiring from football, again
Rob Gronkowski announces retirement from NFL for second time