Mark Duncan coached in the NFL from 1955 to 1962, spanning 8 seasons with 1 organization. His roles included Defensive Line, Linebackers, and Defensive Backs. He worked under Frankie Albert, Red Hickey, and Red Strader.

Career Timeline

Career History

Year	Team	Role(s)
1962	San Francisco 49ers	Defensive Line, Linebackers under Red Hickey
1961	San Francisco 49ers	Defensive Line, Linebackers under Red Hickey
1960	San Francisco 49ers	Defensive Line under Red Hickey
1959	San Francisco 49ers	Defensive Line under Red Hickey
1958	San Francisco 49ers	Defensive Backs under Frankie Albert
1957	San Francisco 49ers	Defensive Backs under Frankie Albert
1956	San Francisco 49ers	Defensive Backs under Frankie Albert
1955	San Francisco 49ers	Defensive Backs under Red Strader

Worked Under (3)

Coach	Team	Years
Frankie Albert	San Francisco 49ers	3
Red Hickey	San Francisco 49ers	4
Red Strader	San Francisco 49ers	1

Protégés (0)

No protégés became head coaches.