Northwestern center Dererk Pardon, center, grabs a rebound between Iowa's Nicholas Baer, left, and Isaiah Moss, right, during the first half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa guard Jordan Bohannon, center, celebrates with teammates after an NCAA college basketball game against Northwestern, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Bohannon made a three-point basket at the end of the game as Iowa won 80-79. (AP Photo/Charlie Neibergall)

Iowa guard Jordan Bohannon celebrates with fans after an NCAA college basketball game against Northwestern, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Bohannon made a three-point basket at the end of the game as Iowa won 80-79. (AP Photo/Charlie Neibergall)

Northwestern head coach Chris Collins reacts to a call during the second half of an NCAA college basketball game against Iowa, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Iowa won 80-79. (AP Photo/Charlie Neibergall)

Iowa guard Jordan Bohannon (3) shoots a three point basket over Northwestern guard Anthony Gaines (11) at the end of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Iowa won 80-79. (AP Photo/Charlie Neibergall)

Iowa guard Isaiah Moss shoots over Northwestern guard Anthony Gaines, left, during the second half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Iowa won 80-79. (AP Photo/Charlie Neibergall)

Iowa forward Tyler Cook gets fouled by Northwestern center Barret Benson, left, while driving to the basket during the second half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Iowa won 80-79. (AP Photo/Charlie Neibergall)

Iowa forward Tyler Cook, left, drives to the basket past Northwestern guard Anthony Gaines (11) during the second half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Iowa won 80-79. (AP Photo/Charlie Neibergall)

Northwestern center Dererk Pardon (5) is fouled by Iowa forward Tyler Cook while driving to the basket during the first half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Iowa forward Luka Garza, right, looks on. (AP Photo/Charlie Neibergall)

Northwestern forward Vic Law drives to the basket past Iowa guard Maishe Dailey, right, during the first half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Northwestern center Dererk Pardon (5) fights for a loose ball with Iowa guard Isaiah Moss (4) during the first half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa guard Joe Wieskamp (10) shoots over Northwestern forward A.J. Turner (21) during the second half of an NCAA college basketball game, Sunday, Feb. 10, 2019, in Iowa City, Iowa. Iowa won 80-79. (AP Photo/Charlie Neibergall)