From Wikipedia, the free encyclopedia Jerry Michael Glanville (born October 14, 1941) is an American football coach who is currently the defensive coordinator of the Tampa Bay Vipers of the XFL. He also played football at Northern Michigan University in the early 1960s, and is a former NASCAR driver and owner, and sportscaster. He served as head coach of the Houston Oilers from 1986 to 1990 and t... show more