 Following West Virginia's victory in the 2012 Orange Bowl, the Mountaineers defensive coordinator Jeff Casteel, who coached under Rodriguez during his tenure there, departed WVU's staff to join Rodriguez' staff as the Wildcats' defensive coordinator.An official announcement, and Casteel's formal introduction to the Tucson media, was made on January 13, 2012.Casteel is considered one of the top defensive coaches in the nation, and considered master of the 3–3–5 "odd stack" defense.