Derek GamblinDerek Gamblin was an English amateur footballer who played as a full back.Club careerBorn in Havant, Gamblin played non-league football for Sutton United, Slough Town, Leatherhead, Winchester City, and Wycombe Wanderers. He also made one appearance in the Football League for Portsmouth during the 1965–66 season.International careerGamblin earned 29 caps for the England amateur national team. He was also a member of the British national side which failed to qualify for the 1972 Summer Olympics.