The No. 2 Ohio State Buckeyes have one of the best defenses in the nation by most metrics, but they will face their toughest test of the season this weekend on the road at No. 3 Oregon.

What did Jim Knowles do to lock down the Iowa Hawkeyes, and how much will that game plan change this weekend in Eugene?

Ross Fulton, one of the Xs and Os gurus at BuckeyeHuddle.com joins host Tom Orr to discuss all of that and more on this episode of the Buckeyes TomOrrow Morning podcast.