Athletic director Joe Castiglione said Thursday the OU football program is in the midst of searching for a defensive coordinator, and general manager.

Penn State has made a massive splash by hiring Ohio State defensive coordinator Jim Knowles to take the same job with the Nittany Lions. He replaces Tom Allen, who left PSU to become Clemson’s defensive coordinator. Here are three thoughts on what Penn State hiring Knowles means moving forward.

Penn State released a video of new defensive coordinator Jim Knowles meeting with the program after his hiring.