Indiana leads Iowa 54-37 at halftime Sunday at Assembly Hall.
Cody Zeller leads the Hoosiers with 16 points. Will Sheehey, inserted in the starting lineup in place of Victor Oladipo, has eight points. Derek Elston also has eight points for the Hoosiers.
IU shot 54.1 percent (20 of 37) in the half.
Iowa shot 50 percent (15 for 30). Matt Gatens leads Iowa with 12 points.