Mark Koncar
Mark K. Koncar is an American former professional football player who was an offensive tackle in the National Football League. He is a graduate of Murray High School in Murray, Utah. After graduating from high school Koncar attended the University of Colorado Boulder. Koncar was selected by the Green Bay Packers in the 1976 NFL draft, playing for five seasons before playing for the Houston Oilers in 1982. He suffered a number of injuries during his career, and missed the 1978 NFL season. After playing for the Oilers, he retired in July 1983.