Illinois coach Brad Underwood calls out from the bench during the first half of the team’s NCAA college basketball game against Purdue in Champaign, Ill., Thursday, Feb. 22, 2018. (AP Photo/Stephe …

Illinois coach Brad Underwood calls out from the bench during the first half of the team’s NCAA college basketball game against Purdue in Champaign, Ill., Thursday, Feb. 22, 2018. (AP Photo/Stephen Haas)