Ohio State was handed a big task right after their National Championship win over Notre Dame. The Buckeyes were hit with the reality that DC Jim Knowles would not be sticking around any longer. Following the season,

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.

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