Carlos Emory scored 21 points and No. 24 Oregon completed the season sweep of the Civil War series with an 85-75 victory over Oregon State on Thursday night.
Arsalan Kazemi had 17 points and 12 rebounds, Tony Woods added 16 points, and Johnathan Loyd scored 12 points for the Ducks (23-6, 12-4 Pac-12), who took one-half game lead in the conference over idle UCLA.
Oregon trailed 41-34 at halftime and was down 51-46 near the midpoint of the second half before exploding for an 18-3 run to take a 64-54 lead with 8:59 to play.
Woods scored seven points during that stretch, and point guard Dominic Artis, who missed the previous nine games with a foot injury, gave the Ducks the lead for good with a 3-pointer that made it 55-52 at the 11:29 mark.
Roberto Nelson scored 31 points for the Beavers (13-16, 3-13), and Devon Collier added 14.
Nelson, the Pac-12's leading scorer in conference games, scored 22 points on 9-of-13 shooting in the first half.