Borislava Hristova had 13 of her 21 points in the second half and the Washington State women beat No. 25 Southern California 73-61 in a Pac-12 Conference game Friday night in Pullman.
Maria Kostourkova and Louise Brown added 10 points each for Washington State (12-5, 3-3).
Dawnyelle Awa assisted Hristova’s weak-side cut to make it 68-61 with 1:41 left and the Cougars made 5 of 10 free throws while USC (14-3, 2-3) missed its last seven field-goal attempts.
The Cougars outscored USC 23-11 in the third quarter to take a 54-49 lead. The Trojans closed within one with the first four points of the fourth quarter, but Washington State answered with a 7-0 run to lead 61-53.
It was Washington State’s first win against a ranked opponent since a 70-64 victory on Nov. 29, 2013, over No. 10 Maryland.
Kristen Simon had 19 points to lead USC.
The Cougars host UCLA on Sunday.
Washington 64, (17) UCLA 56: Kelsey Plum had 23 points, Talia Walton added 22 and the Huskies (13-4, 4-2) topped the Bruins (11-5, 3-2) in a Pac-12 Conference game in Seattle.
Washington took the lead for good with an 11-2 run that ended at 55-48 with 6:32 left. UCLA stayed close until missing all seven field-goal attempts over the last 2:52.
The Huskies host USC on Saturday.
Whitworth 58, Willamette 47: K.C. McConnell made 8 of 15 shots, including 4 of 9 3-pointers, and finished with 26 points and four steals to lead the Pirates (9-5, 4-2) past the Bearcats (10-4, 2-3) in a Northwest Conference game in Salem, Oregon.
Whitworth had 16 steals and forced 26 turnovers, both season highs. McConnell scored the final 12 points of the first half to put the Pirates ahead 36-21.
Faith Emerson added 13 points and five rebounds for Whitworth, which plays second-ranked George Fox Saturday in Salem.
Treasure Valley 66, CC Spokane 61: Heather Waldemar had 14 points and 13 rebounds as the Chukars (10-6, 1-1) pulled away in the third quarter and beat the Sasquatch (11-6, 0-2) in a Northwest Athletic Conference game in Ontario, Oregon.
Treasure Valley trailed by six at halftime, but outscored CCS 29-16 in the third. The Chukars made 15 of 30 shots in the second half, including 10 of 16 free throws.
CCS’ Bri King led all scorers with 19 and Katlyn Summers added 11 points and seven rebounds.
The Sasquatch play NWAC foe Blue Mountain Saturday in Pendleton, Oregon.
CC Spokane 86, Treasure Valley 62: Jacob DeVries scored 25 points on 10-of-17 shooting and Dalton Patchen added 21 points and 10 rebounds as the Sasquatch (16-2, 2-0) beat the Chukars (2-11, 0-2) in Ontario, Oregon.
CCS forced 23 turnovers, which led to a 24-6 advantage in points off turnovers.
Treasure Valley’s Shareef Ingram had 20 points and nine rebounds.
Subscribe to the sports newsletter
Get the day’s top sports headlines and breaking news delivered to your inbox by subscribing here.