Wisconsin running back Chez Mellusi (6) celebrates a touchdown with quarterback Graham Mertz (5) during the second half of an NCAA college football game against Purdue in West Lafayette, Ind., Saturday, Oct. 23, 2021. Wisconsin defeated Purdue 30-13. (AP Photo/Michael Conroy)

Iowa head coach Kirk Ferentz watches from the sideline during the second half of an NCAA college football game against Purdue, Saturday, Oct. 16, 2021, in Iowa City, Iowa. Purdue won 24-7. (AP Photo/Charlie Neibergall)

Wisconsin head coach Paul Chryst yells from the sideline during the first half of an NCAA college football game against Purdue in West Lafayette, Ind., Saturday, Oct. 23, 2021. (AP Photo/Michael Conroy)

Iowa defensive back Terry Roberts (22) breaks up a pass intended for Purdue wide receiver Broc Thompson during the second half of an NCAA college football game, Saturday, Oct. 16, 2021, in Iowa City, Iowa. Purdue won 24-7. (AP Photo/Charlie Neibergall)