Few defensive coordinators in college have a better-looking resume than Jim Knowles. Penn State’s first-year DC directed a championship defense at Ohio State last season. His 2021 Oklahoma State defense put up extraordinary numbers.

Knowles was introduced as Penn State's defensive coordinator on Tuesday, one week after he left Ohio State to take the job.

Naturally, there were questions about why new Penn State defensive coordinator Jim Knowles did that when he left Ohio State to join the Nittany Lions in January. Tuesday afternoon at his introductory press conference in Pegula Ice Arena,