Oregon State 70, Oregon 57

Key run: After a Tyler Dorsey drive got the Ducks within an 11-10 deficit, Oregon State went on a 23-9 run to close the half and take a 15-point lead into the locker room.

It was over when: Tres Tinkle worked his way into the lane and hit a floater with 1:42 to play to give Oregon State a 66-52 lead.

Key stat: Oregon State entered conference play with the worst rebounding margin among Pac-12 teams (plus-1.3). But the Beavers had 10 offensive rebounds and 11 second-chance points in the first half. They won the overall rebounding battle 37-32.

OSU held Oregon to 19 first half points, the fewest the Beavers allowed in a half this season.

Top performances: Tres Tinkle led all scorers with 19 points, hit 9 of 10 free throws and drew multiple charges on the defensive end.

Langston Morris-Walker brought offensive energy and shooting touch to open the game. He had 11 first half points and finished with 12. Olaf Schaftenaar had 13 points on 5 of 9 shooting and a career-high eight rebounds.

Oregon forward Chris Boucher was the Ducks' most consistent player, finishing with 14 points (3 for 6 from three-point range) and seven rebounds.

Highlight: A pair of dunks in transition from Gary Payton II and Drew Eubanks helped limit a Chris Boucher-led Oregon run midway through the second half.

It's all Beavs in the Civil War #Pac12Hoops matchup so far!



Watch on our bestie @FS1 now. https://t.co/PDIw704Y0l — Pac-12 Network (@Pac12Network) January 4, 2016

Next up: Both team suit up again Wednesday. Oregon will host Cal at 6 p.m. and Oregon State will host Stanford at 8 p.m.

-- Danny Moran