Freshman Caleb Swanigan scored a career-high 27 points and sophomore P.J. Thompson also set a career best with 22, leading No. 15 Purdue to a 91-80 victory against Wisconsin on Sunday.
A.J. Hammons added 16 points and Vince Edwards had 11 for the Boilermakers (24-7, 12-6), who forced a four-way tie for third place in the Big Ten with Maryland, Iowa and Wisconsin.
Purdue earned the No. 4 seed in the Big Ten Tournament and will play in Friday's second semifinal against an opponent to be determined.
Nigel Hayes led Wisconsin (20-11, 12-6) with 30 points, including 18 in the second half. The Badgers earned the No. 6 seed in the conference tournament and will play Thursday in Indianapolis' Bankers Life Fieldhouse.
The Badgers, who had a four-game winning streak snapped, are the reigning Big Ten Tournament champs.