The Ohio State Buckeyes are fresh off winning the program's ninth national championship and have already turned their attention to defending their title in 2025. In the days following the Buckeyes' College Football Playoff Championship Game triumph,

After Michigan football ran, ran again, and ran some more against rival Ohio State in 2021, Ryan Day recognized that he needed to make something of a drastic change. Out was longtime OSU staffer Kerry Coombs as the defensive coordinator, and in was Oklahoma State DC Jim Knowles.

ATLANTA, GEORGIA - DECEMBER 31: Ohio State Buckeyes defensive coordinator Jim Knowles is seen prior to the game against the Georgia Bulldogs in the Chick-fil-A Peach Bowl at Mercedes-Benz Stadium on December 31, 2022 in Atlanta, Georgia. (Photo by Carmen Mandato/Getty Images) Getty Images

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.

As Ohio State’s celebration tour for the school’s ninth national title continues, some of the Buckeyes’ key defensive players are grappling with the departure of their defensive coordinator. Jim Knowles decided to leave Columbus for Big Ten rival Penn State after three years at Ohio State,

Penn State has lured Tom Knowles away from Ohio State. The Nittany Lions have hired Knowles to serve as their defensive coordinator.

Penn State released a video of new defensive coordinator Jim Knowles meeting with the program after his hiring.

The Nittany Lions reportedly made the former Ohio State assistant college football's highest-paid defensive coordinator.

Here’s a round-up of the latest news pertinent to Ohio State’s defensive coordinator search. Former Wisconsin defensive coordinator — and interim head coach (2022) — Jim Leonhard seems to be staying put in the NFL.

In hiring Jim Knowles, Penn State followed the adage: If you can't beat them, turn them to your side. While everyone in college football is already talking about Penn State's new defensive coordinator Jim Knowles, it's possible that not everyone is realizing how much his betrayal of Ohio State benefits his new club.

Jim Knowles’ recent decision increases the likelihood that Brent Venables will go back to calling defense. Some think that’s not such a bad thing. Will it be OU's best option?