#15 Wisconsin was upset by Western Kentucky on Saturday in Bowling Green, 83-76.
The Badgers led at halftime 34-30, but the Hilltoppers put up 53 second-half points to earn the win.
Brad Davison scored 26 points and Ethan Happ recorded a double-double with 20 points and 12 rebounds.
Video: Stadium
Audio: Learfield