Nik Stauskas scored 23 points, including his key 3 with less than a minute left, and the Wolverines fended off a late surge for the 77-70 victory Saturday over the third-ranked Badgers.
Caris LeVert added 20 for the Wolverines (13-4, 5-0 Big Ten), who celebrated a victory in Madison for the first time since 1999.
Josh Gasser had 16 points for the Badgers, who lost their second straight after a school-best 16-0 start.