Oregon State, 70, UCLA 54
Ruth Hamblin had 18 points and 10 rebounds as OSU controlled the play at Gill Coliseum.
The Beavers led 42-26 at halftime.
OSU improved to 16-9 overall and 8-5 in the Pac-12. Oregon State is fifth in the Pac-12, trailing Stanford (11-1), Arizona State (9-3), Cal (8-4) and USC (8-4).
The Beavers are one game up on Washington (6-6) and Washington State (6-6).
Next for OSU is a noon Sunday home game versus USC.
USC 88, Oregon 78
At Matthew Knight Arena, the Trojans outscored the Ducks 10-0 over the final 1:57, after a UO rally from 13 points down in the second half.
Oregon fell to 4-8 in the Pac-12, 13-10 overall.
Chrishae Rowe helped lead the Ducks with 28 points and seven rebounds. Jillian Alleyne had 19 points and 24 rebounds for her 21st double-double. Ariel Thomas added 15 points.
Oregon's next outing is 4 p.m. Monday at home against UCLA.
Lewis & Clark 73, Willamette 49
The visiting Pioneers opened with a 28-6 run and raised their overall record to 11-10 and their Northwest Conference mark to 6-6.
L&C is fifth in the NWC, a half-game behind Puget Sound (7-6) for the fourth and final league playoff spot.
Katie Anderson (12 points), Kaitlin Mathewson (11) and Sarah Bucknovitz (10) and Tayler Wang (8 points, 7 rebounds) led the Pios, although Wang had to leave with an injury with about five minutes to go.
Lewis & Clark and Pacific play at 6 p.m. Saturday at Forest Grove.
Northwest 62, Concordia 60
NU held on for the home victory at Kirkland, Wash., as the Cavaliers missed two field-goal attempts in the closing minute that would have tied the score.
The Cavs fell to 4-10 in the Cascade Collegiate Conference and 7-19 overall, despite Caitlyn McCutcehon's 23 points and 14 rebounds.
Concordia visits Evergreen at 5:30 p.m. Saturday.
Evergreen 61, Warner Pacific 59
The visiting Knights fell to 6-19 in the CCC and 2-12 overall.
For WPC, Courtney Walchli had 13 points and Jordan Wilcox 12.
Warner Pacific goes to Northwest in Kirkland, Wash., for a 5:30 p.m. Saturday conference game.