During the Purdue game, OSU tried out Knowles’ defense scheme with 3 down linemen and a jack. It didn’t work at all and after a few pretty successful Purdue plays in a row, we went back to our usual 4 line look and things tightened up.

Was this Day giving Knowles his shot? 

Why didn’t it work? Do we not have the personnel? Bad matchup against Purdue? Lack of practice?