Former Ohio State defensive coordinator Jim Knowles said he was grateful for his three years at OSU, but the pull of his home state lured him away.

Jim Knowles was introduced as Penn State's defensive coordinator on Tuesday. Here's what he said about leaving Ohio State football.

Jim Knowles was introduced as Penn State’s defensive coordinator in a Tuesday press conference, a little more than a week after news broke that he was leaving Ohio State. Knowles joining Penn State is a big move for both parties.