The Ohio State Buckeyes are fresh off winning the program's ninth national championship and have already turned their attention to defending their title in 2025. In the days following the Buckeyes' College Football Playoff Championship Game triumph,

Ohio State defensive coordinator Jim Knowles left the Buckeyes program in a surprising turn of events, accepting the same job with the Penn State Nittany Lions

As Ryan Day looks to hire his fourth defensive coordinator in seven seasons, here are potential candidates to replace Jim Knowles.

The Irish, fresh off losing a national title game to the Buckeyes, reportedly hired defensive coordinator Chris Ash on Wednesday. The deal is expected to be finalized shortly.

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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.

COLUMBUS, Ohio — The Ohio State football team is losing a ton on defense, including the man in charge of coordinating it.

Ohio State’s national title celebration was missing a notable face on Sunday, as Buckeye Nation shortly learned that defensive coordinator Jim Knowles was leaving Columbus to take the same position at Penn State.