(Eugene, OR) -- The Oregon Ducks knocked off 25th-ranked USC, 89-81, at Matthew Knight Arena last night. Elgin Cook led the charge with 26 points for Oregon. Dwayne Benjamin and Chris Boucher each scored 16 points as the Ducks improved to 15-and-4 overall and 4-and-2 in the Pac-12. They'll host UCLA tomorrow.