Roberto Nelson scored 13 of his 22 points in the second half and anchored a stellar defensive effort that carried Oregon State to an 80-72 victory over Oregon Sunday night.
Eric Moreland added 15 points, 11 coming from the free throw line, and had 13 rebounds for Oregon State (10-7, 2-3 Pac-12). The Beavers beat their in-state rivals at Gill Coliseum for the first time since 2010 and sent the slumping Ducks to their fourth consecutive loss.
Jason Calliste had 17 points off the bench to lead the Ducks (13-4, 1-4), who trailed 37-30 at halftime and never got closer than five in the second half.
Oregon's Mike Moser and Joseph Young, who came into the game averaging a combined 33.4 points, were held to 13 points on 5-of-24 shooting from the field. For the game, the Ducks made 25 of 66 shots, including 4 of 19 from 3-point range.