The University of Oklahoma announced the retirement of one of the biggest names in college athletics on Monday.

Castiglione is entering his 28th year at Oklahoma, making him the longest-tenured athletic director in major college sports.

University of Oklahoma Athletic Director Joe Castiglione has officially announced that he will retire at the end of the current academic year. Castiglione, who has led the Sooners since April of 1998, ...

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

OU Athletic Director Joe Castiglione is set to retire, according to ESPN Senior College Football Writer Pete Thamel.

Oklahoma athletic director Joe Castiglione will retire from his full-time role during the upcoming school year, per ESPN's ...

Amidst a flood of change in college athletics, Joe Castiglione has been a constant atop Oklahoma athletics. Now, that era, ...

Oklahoma athletic director Joe Castiglione. who has led the Sooners since 1998, will retire from his full-time ...

Joe Castiglione has reportedly reached a retirement date from his longtime post as the AD for Oklahoma, according to a report ...

Oklahoma Sooners athletic director Joe Castiglione will retire from his full-time role in the upcoming school year, according ...

Oklahoma athletic director Joe Castiglione will retire from his full-time role during the upcoming school year, bringing an ...

Oklahoma's Joe Castiglione is preparing to end the longest current tenure for an athletic director in major college sports, ...