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

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

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.

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

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

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

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.

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.

James Franklin and new Penn State defensive coordinator Jim Knowles released statements after Knowles was hired on Monday.