Andrew Smith scored a season-high 24 points and Butler pulled away in the second half for a 74-65 win over Northwestern on Saturday night.
Smith had 19 points in the second half -- including nine straight -- and added 10 rebounds for the Bulldogs (7-2), who shot 48 percent en route to their fourth straight win overall and fourth straight against the Wildcats (7-3).
Rotnei Clarke was 4 for 6 on 3-point attempts and finished with 13 points for Butler. Kellen Dunham added 11 points and Roosevelt Jones had 10.
Dave Sobolewski scored 21 points for Northwestern, which shot just 32.7 percent from the field but stayed close by converting 22 of 31 free throws. Tre Demps added 15 points and Reggie Hearn had 13.
Butler, which led 34-31 at the half, pulled away with a 10-4 run to open the second half.