<P> Barry Layne Switzer ( born October 5 , 1937 ) is a former American football player and coach . He served for 16 years as head football coach at the University of Oklahoma and four years as head coach for the Dallas Cowboys of the National Football League ( NFL ) . He helped the Cowboys win Super Bowl XXX against the Pittsburgh Steelers . He has one of the highest winning percentages of any college football coach in history , and is one of only three head coaches to win both a college football national championship and a Super Bowl , the others being Jimmy Johnson and Pete Carroll . </P>
<P> Barry Layne Switzer ( born October 5 , 1937 ) is a former American football player and coach . He served for 16 years as head football coach at the University of Oklahoma and four years as head coach for the Dallas Cowboys of the National Football League ( NFL ) . He helped the Cowboys win Super Bowl XXX against the Pittsburgh Steelers . He has one of the highest winning percentages of any college football coach in history , and is one of only three head coaches to win both a college football national championship and a Super Bowl , the others being Jimmy Johnson and Pete Carroll . </P>
coaches who won super bowl and national championship
coaches who won super bowl and national championship
Barry Layne Switzer Jimmy Johnson Pete Carroll
Barry Layne Switzer Jimmy Johnson Pete Carroll