CJ Elleby made a clutch corner 3 to tie the game at the end of regulation and Isaac Bonton scored eight points in overtime to help Washington State pull off a 79-71 come from behind victory over UCLA.
Washington State (10-5, 1-1 Pac-12) clawed its way back against a big and physical team that has outrebounded each of its 15 opponents this year.
Bonton finished with 17 points on 7-of-14 shooting and had five rebounds and five assists. Elleby had 15 points for the Cougars.
UCLA (8-7, 1-1) dominated the game defensively during the first period, holding Washington State to just 28% shooting.