However, Knowles wasn’t in attendance. About an hour later, reports surfaced that Knowles is leaving Ohio State to serve as Penn State’s next defensive coordinator. The move leaves Day searching for a replacement. Here’s who he might consider as he enters his seventh season as the Buckeyes' head coach.

The Ohio State Buckeyes surprisingly lost its defensive coordinator right after winning a national championship, with Penn State paying Knowles $3 million to leave Columbus. While Ryan Day likely made a strong pitch to keep Knowles in town,