Bill Callahan (American football)
William E. Callahan (born July 31, 1956) is an American football coach who is the offensive line coach for the Cleveland Browns of the National Football League (NFL). He was the head coach of the Oakland Raiders for the 2002 and 2003 seasons and led them to Super Bowl XXXVII. He was also the head coach for the Nebraska Cornhuskers from 2004 to 2007 and the offensive line coach and interim head coach for the Washington Redskins from 2015 to 2019. Callahan is considered to be one of the best offensive line coaches in the NFL. College career Callahan was a four-year starter at quarterback at Illinois Benedictine College in Lisle, Illinois, where he was an NAIA honorable mention All-American in his final two seasons. Early coaching career The Chicago native began his coaching career in 1978 with back-to-back year-long stints as an assistant coach at Oak Lawn Community High School and De La Salle Institute. Callahan started his college coaching career shortly after in 1980 as a graduate assistant at the University of Illinois before being promoted to full-time assistant in 1981, coaching tight ends, offensive line, quarterbacks and special teams through 1986. Callahan served a two-year stint from