Branden Dawson had 16 points and Gary Harris added 13 points to lead No. 22 Michigan State to a 67-51 victory over Northwestern in the Big Ten Tournament quarterfinals Friday night.
The third-seeded Spartans (24-7), who lost 3 of 4 games heading into the contest, will face No. 12 Wisconsin in one semifinal on Saturday.
Drew Crawford scored 21 points and Alex Olah finished with 10 for the 11th-seeded Wildcats (14-19), who lost to the Spartans in the league tournament for the fourth time.
Michigan State went on a 13-3 spurt in the first half and then extended the lead with a 9-3 run in the second half.
Denzel Valentine made a free throw, and Keith Appling, Adreian Payne and Dawson each scored. Harris made a reverse lay-up and hit a 3-pointer to put Michigan State ahead 57-33 with 9:23 remaining.