Career
He was the 26th head football coach for the Iowa State University Cyclones located in Ames, Iowa and he held that position for four seasons, from 1979 until 1982. His career coaching record at Iowa state was 18 wins, 24 losses, and 2 ties. This ranks him 12th at Iowa state in total wins and 18th at Iowa state in winning percentage.
His 1980 and 1981 Cyclone squads both made appearances in the national rankings.
The 1981 Cyclones began the season at 5-1-1 and skyrocketed to Number. 11 in the Associated Press poll.
Led by future NFL players Dwayne Crutchfield, Dan Johnson, Karl Nelson and Chris Washington, the Cyclones tied Number. 5 Oklahoma (7-7) and downed Number.
8 Missouri (34-13).
Duncan died in his sleep in Dallas, Texas on March 12, 2016 from cancer.
