To John: Nobody in the Ohio State program is talking, but there's something very odd about Knowles' departure. Leaving to be a head coach would make sense. Leaving for the same position at a lesser rival sure smells like there is something he doesn't like about Ohio State and the way he was treated.

Answering your questions about Ohio State's national title run and what's next with Jim Knowles and a long list of seniors leaving.

An Ohio State Buckeyes defender could not be more ready to get revenge on former defensive coordinator Jim Knowles.

Ohio State football asked former defensive coordinator Jim Knowles to not show up to the Buckeyes championship celebration.

Penn State announced Monday it had hired Jim Knowles as its defensive coordinator. According to multiple reports, Knowles reached a three-year contract with an average annual salary of $3.1 million. Knowles is a Philadelphia native. In a statement, Knowles said he was "excited for this opportunity" to join the Nittany Lions' program.

However, despite his many detours, Knowles is at his heart a Pennsylvanian—a Philadelphian to be exact. Addressing Penn State in a video released by the school Tuesday morning,

Ohio State’s defensive coordinator is celebrating winning a national championship with a new contract — from one of their rivals.

Knowles would fill the void on Penn State’s staff left by Tom Allen, who accepted the same position with Clemson earlier this month.

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.