An Associated Press, All-American Honorable Mention in 1978. He held the NAU record for most yards rushing, 1,333 for a season and 2,753 for a career. A member of the 1978 Big Sky Championship team. Clark was chosen as a Big Sky All Academic recipient, first team All-Conference, and Big Sky Player of the Year in 1978. Played professional football for the New England Patriots (NFL) and the Arizona Outlaws (USFL). He was chosen Rookie of the Year in 1979 by the New England fans.