 His dad, Ray Renfro was a four-time world champion All-Pro wide receiver for the Cleveland Browns from 1952–1964 and was once considered the fastest man in football.Ray and Mike are arguably the greatest father-son combination of wide receivers in NFL history combining for 604 receptions, 10,216 yards, and 78 touchdowns.Ray later went on to coach for the Washington Redskins and the Dallas Cowboys.