That, along with the Raiders’ listing of his educational background in the team program as "U.S. Mars” (shorthand for United States Marine Corps), prompted ABC commentator and ex-NFL player Alex Karras to suggest that the extraterrestrial-looking Sistrunk's alma mater was the "University of Mars.

In 1976, playing under coach John Madden, Sistrunk was part of the Raiders team that won Super Bowl XI against the Minnesota Vikings.

[6] He retired after the 1978 season, finishing his career with seven fumbles recovered and three interceptions in 98 games played.

[6] Sistrunk now manages Cowan Memorial Stadium at Joint Base Lewis-McChord, Washington and helps with athletic training programs.

[6][4] He also had a brief movie career, appearing as a short-order cook in Car Wash (1976) and in a non-sexual role (as a police officer) in Alex de Renzy's porn film Babyface (1977).