Colin Cowherd reflects on Gronk's personal growth and remarkable NFL career

Rob Gronkowski recently announced his retirement and will no doubt go down as one of the best TEs in NFL history. Hear Colin Cowherd comment on Gronk's career and how he has matured and developed not only as a football player, but also as a human being.

National Football League Rob Gronkowski Tampa Bay Buccaneers Colin Cowherd