Jack Louis Del Rio Jr. (born April 4, 1963) is an American football coach and former linebacker who is the defensive coordinator for the Washington Redskins of the National Football League (NFL). He played college football and baseball at the University of Southern California in Los Angeles, and also played as a linebacker in the NFL for five teams between 1985–1996. Del Rio began his coaching career as an assistant strength and linebacker coach with the New Orleans Saints. He was the linebacker coach on the Super Bowl XXXV-winning Baltimore Ravens, and defensive coordinator for the Carolina Panthers and Denver Broncos. He served as head coach of the Jacksonville Jaguars from 2003–2011, their second one in team history, as well as for the Oakland Raiders from 2015–2017.