LOUISVILLE, Ky. (AP)
Trey Lewis scored 15 points on 7-of-11 shooting and Damion Lee also had 15 points for the Cardinals (9-1).
Chinanu Onuaku had his first double-double of the season with 10 points and 12 rebounds.
Fredrick Edmond led WKU (6-5) with 14 points and eight rebounds.
The Hilltoppers entered the game shooting 40 percent from behind the arc, but missed their first 13 3s and scored a season-low 16 points in the first half. WKU had averaged nine 3-pointers a game, but finished just 2 of 18 (11 percent).