Michigan State, Michigan in Sweet 16 because of defense

FILE - Top, in a Jan. 3, 2019, file photo, Michigan guard Zavier Simpson (3), left, defends against Penn State guard Rasir Bolton during the first half of an NCAA college basketball game in Ann Arbor, Mich. At right, in a Jan. 6, 2019, file photo, Michigan guard Charles Matthews, right, knocks the ball away from Indiana guard Aljami Durham in the first half of an NCAA college basketball game in Ann Arbor, Mich. Michigan State and Michigan reached the Sweet 16 on the strength of their defense, so the two rivals have that in common, at least. But the Spartans and Wolverines have slightly different ways of shutting down opponents. (AP Photo/Paul Sancya, File)

FILE - At left, in a Feb. 12, 2019, file photo, Michigan States's Kenny Goins (25) blocks a shot by Wisconsin's Ethan Happ (22) as Michigan State's Xavier Tillman (23) looks on during the second half of an NCAA college basketball game in Madison, Wis. At right, in a Dec. 16, 2018, file photo, Michigan States's Xavier Tillman, right, blocks a shot by Green Bay's ShanQuan Hemphill (10) during the first half of an NCAA college basketball game, in East Lansing, Mich. Michigan State and Michigan reached the Sweet 16 on the strength of their defense, so the two rivals have that in common, at least. But the Spartans and Wolverines have slightly different ways of shutting down opponents. (AP Photo/File)