Already boasting the largest salary among college football assistants, Knowles' contract allows him to hit astronomical numbers

Oklahoma's search for a defensive coordinator is a month old and reportedly targeting a Sun Belt Conference defensive coordinator. Who is Nate Drieling?

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

Knowles, a Philadelphia native with strong ties to the Northeast, transformed the Buckeyes' defense during an impressive three-year stint. Ohio State ranked top three in total defense each of the past two seasons and led the nation by holding opponents to 254.6 yards per game and 4.2 yards per play during a historic campaign.

Ohio State has lost its defensive coordinator to a Big Ten rival. 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.

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

Penn State made the hiring of new defensive coordinator Jim Knowles official on Monday. Here's what each had to say about the move

CBS Sports reports that Ohio State defensive coordinator Jim Knowles is leaving the Buckeyes to join James Franklin's staff at Penn State. Knowles is expected to be paid an average of $3.1 million over three years, according to ESPN . During Knowles' time at Ohio State, the Buckeyes ranked in the top three in total defense for two of those years.

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