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.

Penn State has lured Jim Knowles away from Ohio State. The Nittany Lions hired Knowles on Monday to serve as their defensive coordinator. Knowles held the same position with the national champion Buckeyes for three years.

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.