When Ohio State's defense needed to improve after the 2021 season, head coach Ryan Day turned to Jim Knowles ... up big plays, Knowles — who is traditionally an aggressive play-caller ...

Defensive coordinator Jim Knowles recently discussed how the Ohio State Buckeyes have prepared for the team's upcoming ...

When Jim Knowles was the defensive coordinator at Duke a decade ago, he developed a plan to counteract the high-tempo offenses that had proliferated the sport. It followed a directive from David ...