WEST LAFAYETTE, IN - SEPTEMBER 23: Purdue Boilermakers running back D.J. Knox (1) stands up Michigan Wolverines defensive lineman Rashan Gary (3) with a block during the Big Ten conference football game between the Michigan Wolverines and the Purdue Boilermakers on September 23, 2017, at Ross-Ade Stadium in West Lafayette, Indiana. (Photo by Michael Allio/Icon Sportswire)