The Badgers (35-3) denied the Wildcats (34-4) a Final Four berth for the second straight year, having beaten them by one point in overtime in Anaheim a year ago when their seeds were reversed.
Aaron Harrison hit a 3-pointer with 5.7 seconds left to lift Kentucky to a one-point victory over Wisconsin.
Frank Kaminsky had 28 points and 11 rebounds for Wisconsin, rallying the Badgers to a 64-63 overtime victory against Arizona to advance to the Final Four.
Ben Brust hit three 3-pointers and scored 14 points for the second-seeded Badgers who jumped to a 14-point lead in the first half and never let up on the overmatched Bears.
Marshall Henderson shook out of a shooting slump and scored 17 points in the second half, leading 12th-seeded Mississippi past No. 5 Wisconsin, 57-46, on Friday, giving the Rebels their first NCAA Tournament win since 2002.
Stanford’s dominant defense shut out Wisconsin in the 99th Rose Bowl on Tuesday night.
Andy Dalton threw a touchdown pass and ran for a score, linebacker Tank Carder swatted down a 2-point conversion pass attempt with 2 minutes to play, and No. 3 TCU completed a perfect season with its first Rose Bowl victory, 21-19 over fourth-ranked Wisconsin on Saturday.
Other than a handful of games, the Pac-10 had a fairly easy run through the first two weeks of the season.