Ohio State football is facing a significant shift on its coaching staff following the news that defensive coordinator Jim Knowles is leaving for Penn State.

Knowles, who has been with Ohio State since 2022, made a notable impact on the defense, bringing a more aggressive and modern approach. Under his guidance, the Buckeyes’ defense showed improvement, particularly in areas like pass rush and linebacker play. However, despite those gains, Ohio State’s defense still had its struggles, particularly in big games, leading to questions about whether Knowles was the right fit in the long term.

His departure creates a critical need for Ohio State to hire a new defensive coordinator. This hire will be crucial for the Buckeyes as they aim to compete for a national title and maintain their standing as a powerhouse in college football. The new DC will have to navigate the challenges of facing elite offenses in the Big Ten and beyond, especially as Ohio State continues to recruit top-tier defensive talent.

Several potential candidates could be considered for the role. Some may come from within the existing coaching staff, while others may come from outside programs with proven success on the defensive side of the ball. Ohio State will likely prioritize someone who can continue to develop young talent and bring a fresh perspective to the defense while maintaining the overall identity of the program. With the competitive landscape in college football as intense as ever, the next defensive coordinator will be expected to lead the Buckeyes’ defense to greater consistency and success, especially in high-stakes matchups.