Buie led the Wildcats (20-9, 11-7) with 27 points and seven assists while shooting 9 of 13 from the field and 6 of 7 from 3-point range.
Josh Dix scored a career-high 24 points, Payton Sandfort added 23 and Iowa beat Northwestern 87-80 Saturday night.
Dix made 9 of 13 from the field and 4 of 5 from 3-point range. Sanfort finished 7-of-14 shooting, 4 of 8 from behind the arc, with six assists and five rebounds. Ben Krikke scored 12 points and Tony Perkins had 10 points and 14 assists for Iowa (18-12, 10-9 Big Ten).
Boo Buie led Northwestern (20-9, 11-7) with 27 points and seven assists while shooting 9 of 13 from the field and 6 of 7 from 3-point range. Brooks Barnhizer scored 20 points, Nick Martinelli 17 and Blake Smith 11.
Buie hit a 3-pointer that made it a one-possession game with 1:42 left, but Sandfort answered with a three-point play to make it 80-74 33 seconds later.
