CHICAGO – Bronson Koenig and No. 6 Wisconsin turned up the pressure in the second half. Frank Kaminsky and Sam Dekker were everywhere, their strong defense creating easy chances for baskets.
Top-seeded Wisconsin , a hopeful for a No. 1 NCAA seed, advanced to the Big Ten final with a victory over Purdue.
The Badgers (30-3) trailed by five at the break, then overwhelmed the Boilermakers (21-12) in the second half, holding them to six field goals and 24 percent shooting in the final 20 minutes.
"When we're doing good on the defensive end, it makes the offense even more fun, because one thing leads to another," Dekker said.
Koenig scored a career-high 19 points while Dekker and Nigel Hayes had 15 points apiece. Kaminsky finished with 12 points, five assists, three steals and three blocks.
A.J. Hammons had 10 points and seven rebounds for Purdue (21-12).