PULLMAN, Wash. -- DeAngelo Casto scored 24 points and Klay Thompson added 22 to lead Washington State to an 85-77 victory against USC on Thursday night.
Faisal Aden scored 20 points for the Cougars (19-10, 9-8 Pac-10).
Nikola Vucevic led USC (17-13, 9-8) with 22 points and 11 rebounds. Maurice Jones added 16 points and Donte Smith 14.
In the final 4:45, Washington State had one shot from the floor: a layup by Aden, after he stole the ball from Vucevic. The basket put the Cougars up 77-70 with 1:41 remaining.
The rest was done at the line, where Washington State went 10 of 14 in the final 4:45, and 8 of 8 in the final 3:03.
The Cougars lost guard Reggie Moore to a sprained ankle seven minutes into the game. He will be re-evaluated on Friday.