Jim Knowles is at his most comfortable hiding in an office, door closed, with a cup of coffee as he dissects plays and draws up game plans. He's not a mystery in the Ohio State football facility, but when that door is closed,

Here’s what defensive coordinator Jim Knowles said Tuesday about the Fighting Irish, and more: Knowles gave a humorous response to the team’s goal line stand. He said that on the third down play, the team was in a red zone coverage that they hadn’t used before, and on the fourth down play, they kept it the same.