University of Oklahoma athletic director Joe Castiglione retiring at end of academic year according to report.

Joe Castiglione's tenure as Oklahoma's Athletic Director, from 1998 to his upcoming retirement, transformed the department from financial hardship and athletic mediocrity into a national powerhouse.

Monday morning, the world of the Oklahoma Sooners was rocked by the sudden retirement announcement of longtime athletic director Joe Castiglione. Castiglione, 67, will serve his tenure for the rest of the upcoming academic year,