Four Badgers scored in double figures to lead Wisconsin past Northwestern 69-64 on Saturday night.
Brad Davison led the way with 16 points, while Ethan Happ and D'Mitrik Trice each had 14 and Khalil Iverson added 11. Happ also had 10 rebounds for a double-double.
Northwestern got 24 points from Vic Law and 21 from Dererk Pardon, but Wisconsin held on down the stretch for the Badgers' 18th victory.
Next up, the Badgers stay on the road and will take on Illinois on Tuesday night.
Videos: Big Ten Network
Audio: Learfield/IMG College