"A veteran football man with more than 30 years of coaching and administrative experience, Mavin heads up the youthful Buffalo pro scouting operation. He worked in the pro scouting area, added to the Bills' personnel setup two years ago, part-time last fall and also helped out as an assistant coach. Marvin was with Buffalo once previously as line coach from 1968-71.
A graduate of William & Mary, where he was a teammate of ex-Buffalo coaches Buster Ramsey and Harvey Johnson, Bass was a three-time All-Conference and two-time All-American tackle. He passed up a pro playing career to coach, starting at his alma mater as line coach in 1944.
In the years since, Bass has twice been a head coach in college- at William & Mary (1951) and South Carolina (1962-65)- and directed the fortunes of two pro teams- the Continental League Montreal Beavers (1966-67) and the WFL Birmingham Vulcans (1975). His 1951 William & Mary team went 7-3 and won the Southern Conference championship. He had a share of an ACC crown at South Carolina.
Bass served as an assistant at a number of colleges, including William & Mary (1944-48), North Carolina twice (1949-50, 1953-56), South Carolina (1957-60), Georgia Tech (1961) and Richmond (1972-73). He also was line coach of the Washington Redskins in 1952 and defensive coordinator of the World League champion Birmingham Americans for a year (1974) before becoming skipper of the reorganized Vulcans a year later."
-Buffalo Bills 1977 Press-Radio-TV Yearbook