Bronson Koenig scored 19 points, and Ethan Happ helped trigger a second-half surge with clutch plays on both ends of the floor in Wisconsin's 68-57 victory Sunday over Michigan.
Happ finished with 12 points and six rebounds for the Badgers (19-10, 11-5 Big Ten), who have won 10 of their last 11 games.
Wisconsin opened some breathing room in a spirited game with an 8-0 run in the middle of the second half that started with Happ on the bench.
The 6-foot-9 freshman forward came back with 11:44 left and stole a Michigan entry pass before driving to the bucket for a layup at the other end.
The conference leader in steals added two more against Michigan and blocked two shots.
Vitto Brown gave Wisconsin a boost from the perimeter after hitting 4 of 6 from 3-point range and finished with 14 points.
Zak Irvin scored 14 points for Michigan (20-10, 10-7).