Rob Gronkowski announces his retirement from the NFL, THE HERD
Buccaneers' Rob Gronkowski announces retirement
Rob Gronkowski announces second retirement from football
Complete History of Rob Gronkowski's 'Gronk Spikes' After Retirement
Rob Gronkowski's replacement? Tampa Bay Buccaneers sign veteran tight end Kyle Rudolph
Rob Gronkowski announces his second retirement from playing football
Rob Gronkowski announces his official retirement from the NFL, thanks Buccaneers
Could former Buc, NFL star Gronk make a return to NFL?
Gronk reached out to Bucs about potential return, opted to stay retired
Internet reacts to Rob Gronkowski's retirement announcement - ESPN