LOS ANGELES, Calif. - Roberto Nelson scored a team-high 23 points and Devon Collier added 15, but Oregon State could not overcome a strong second half effort by UCLA, falling 74-69 at Pauley Pavilion on Sunday night.
Nelson had a solid night offensively, going 6-of-10 from the field. He also grabbed five boards and dished out five assists for the Beavers.
Collier was efficient, making 7-of-11 shots and pulling down four rebounds.
Eric Moreland's length was felt on both sides of the ball, as he wrangled in 13 rebounds and blocked three shots on the night.
Oregon State (15-13, 7-9 Pac-12) was able to command a 38-29 advantage at the intermission, but UCLA (22-7, 11-5) took over in the final frame, holding the Beavers to a 38.5 percent clip (10-for-26) in the second half.
The Bruins were also able outscored Oregon State 20-5 off turnovers, which made it hard for the Beavs to get back over the hump after UCLA had taken over the lead in the closing period.
"You can't turn the ball over like we did and expect to win the game" Oregon State head coach Craig Robinson said. "If you take the combination of points off turnovers plus our missed foul shots, we really shot ourselves in the foot. On the positive side, we were right there playing toe-to-toe with them, you just can't turn the ball over like that when you are on the road."
Jordan Adams scored a game-high 24 points after hitting 8-of-14 shots from the field for UCLA. Kyle Anderson also played well, adding 14 points, nine rebounds and five assists for the Bruins.
Angus Brandt was a catalyst for the Beavers early in the opening frame, scoring Oregon State's first seven points of the night. After falling behind, Hallice Cooke drilled a three at the 8:55 mark that pushed the Beavs ahead 20-19. Nelson extended the advantage to 28-23 from the line at 4:40 after a 14-4 run.
The senior kept it going, propping Oregon State to a 31-27 lead after shaking his defender and splashing a three at 3:02. On the next possession Langston Morris-Walker got a tough hoop and harm to fall, converting the three-point play.
Oregon State took a 38-29 lead into the locker room after holding UCLA to a 37.9 percent clip (11-for-29) from the field in the first 20 minutes of play. The Beavers were sharp, converting on an impressive 56 percent (14-for-25) of their shots in the period. They also were able to outrebound the Bruins 18-12.
UCLA came out motivated to chip away at the Oregon State edge and did just that, trimming the Beavs advantage to 44-42 with 15 minutes remaining in the game. The Bruins claimed a 47-56 lead at 13:57 after a three from Norman Powell.
Nelson helped the Beavers fight back, hitting a three at 8:20 that brought Oregon State within one, 54-53.
UCLA would break out to a 63-57 lead with 4:15 left to play.
The Bruins would maintain the edge for the rest of the contest, closing out the Beavers with a dominant second half performance.
Up next, the Beavers return home to Gill Coliseum for their final two games of Pac-12 play, facing Arizona on Wednesday at 8 p.m. in a nationally televised game on FOX Sports 1.