Cockburn double-double leads Illinois past Iowa, 87-83

Iowa forward Keegan Murray (15) shoots over Illinois guard Da'Monte Williams during the second half of an NCAA college basketball game, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Iowa guard Tony Perkins reacts after being called for a foul during the second half of an NCAA college basketball game against Illinois, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Iowa guard Ahron Ulis (4) loses the ball ahead of Illinois center Kofi Cockburn, right, during the second half of an NCAA college basketball game, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Iowa forward Keegan Murray (15) shoots over Illinois forward Coleman Hawkins (33) during the second half of an NCAA college basketball game, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Illinois head coach Brad Underwood directs his team during the second half of an NCAA college basketball game against Iowa, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Illinois center Kofi Cockburn (21) drives around Iowa forward Josh Ogundele, right, during the second half of an NCAA college basketball game, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Iowa head coach Fran McCaffery watches from the bench during the second half of an NCAA college basketball game against Illinois, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Illinois guard Da'Monte Williams runs down a loose ball ahead of Iowa forward Keegan Murray (15) during the second half of an NCAA college basketball game, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Iowa guard Ahron Ulis dives for a loose ball during the second half of an NCAA college basketball game against Illinois, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)

Illinois guard Alfonso Plummer (11) passes over Iowa guard Joe Toussaint (2) during the second half of an NCAA college basketball game, Monday, Dec. 6, 2021, in Iowa City, Iowa. Illinois won 87-83. (AP Photo/Charlie Neibergall)