Mark Duncan

Coaching Record

Years Coached	Record	Win %	Playoff record	Playoff win %
8	50-48-2	51.00%	0-1	0.00%

---

Biography

Career Summary

Mark Duncan was a football coach in the National Football League (NFL) from 1955 to 1962, finishing his career as the defensive backs coach of the San Francisco 49ers. Over his eight years of coaching his teams compiled a cumulative win/loss record of 50-48-2.

---

History

Year	Position	Record	Playoff record
1962 San Francisco 49ers	Defensive Backs Coach	6-8-0	0-0
1961 San Francisco 49ers	Defensive Backs Coach	7-6-1	0-0
1960 San Francisco 49ers	Defensive Backs Coach	7-5-0	0-0
1959 San Francisco 49ers	Defensive Backs Coach	7-5-0	0-0
1958 San Francisco 49ers	Defensive Backs Coach	6-6-0	0-0
1957 San Francisco 49ers	Defensive Backs Coach	8-4-0	0-1
1956 San Francisco 49ers	Defensive Backs Coach	5-6-1	0-0
1955 San Francisco 49ers	Defensive Backs Coach	4-8-0	0-0

---

Coach history guide

Seasons with a championship win

Seasons with a conference championship

---