Iowa stuns No. 5 Michigan 74-59

Iowa guard Jordan Bohannon, left, fights for a loose ball with Michigan guard Zavier Simpson during the first half of an NCAA college basketball game Friday, Feb. 1, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa guard Jordan Bohannon grabs a loose ball in front of Michigan guard Zavier Simpson (3) during the first half of an NCAA college basketball game Friday, Feb. 1, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa coach Fran McCaffery reacts to a call against his team during the first half of an NCAA college basketball game against Michigan, Friday, Feb. 1, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa forward Ryan Kriener, center, fights for a rebound with Michigan's Charles Matthews, left, and Brandon Johns Jr. during the first half of an NCAA college basketball game Friday, Feb. 1, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa guard Joe Wieskamp smiles after making a 3-point basket during the first half of the team's NCAA college basketball game against Michigan, Friday, Feb. 1, 2019, in Iowa City, Iowa. (AP Photo/Charlie Neibergall)

Iowa forward Luka Garza, center, celebrates with teammate Cordell Pemsl, right, after the team's NCAA college basketball game against Michigan, Friday, Feb. 1, 2019, in Iowa City, Iowa. Garza scored 19 points as Iowa won 74-59. (AP Photo/Charlie Neibergall)