Purdue head coach Jeff Brohm yells at his offensive linemen during the second half of an NCAA college football game against Illinois Saturday, Oct. 31, 2020, in Champaign, Ill. (AP Photo/Charles Rex Arbogast)

Wisconsin quarterback Graham Mertz throws a pass during the first half of an NCAA college football game against Illinois Friday, Oct. 23, 2020, in Madison, Wis. (AP Photo/Morry Gash)

Purdue linebacker Jaylan Alexander, left, gets his hand on the throwing arm of Illinois quarterback Coran Taylor during the first half of an NCAA college football game Saturday, Oct. 31, 2020, in Champaign, Ill. (AP Photo/Charles Rex Arbogast)

Purdue quarterback Aidan O'Connell passes during the first half of an NCAA college football game against Illinois Saturday, Oct. 31, 2020, in Champaign, Ill. (AP Photo/Charles Rex Arbogast)

Purdue safety Jalen Graham (6) and Marvin Grant celebrate Graham's defensive touchdown off the fumble by Illinois quarterback Coran Taylor, caused by Grant, during the second half of an NCAA college football game Saturday, Oct. 31, 2020, in Champaign, Ill. (AP Photo/Charles Rex Arbogast)