Shepherd University Athletics

Casteel was an assistant coach for 12 years, from 1988 to 1999, for the Shepherd football team. Casteel helped lead the Rams to six conference championships and four postseason appearances.  He coached numerous All-Americans and several WVIAC Players of the Year.  Casteel left Shepherd to take a position at Texas-El Paso for one season before joining the staff at West Virginia University.  Elevated to defensive coordinator after three seasons, Casteel has helped guide the Mountaineers to six bowl appearances.  In 2012, Casteel left West Virginia with then-head coach Rich Rodriguez to coach the Arizona Wildcats, where he has been the defensive coordinator since.  A top expert on the 3-3 odd stack defense, Casteel was named Defensive Coordinator of the Year by Rivals.com in 2007.