(Undated)  --  In college baseball, number-12 Oregon State defeated Stanford 5-2 yesterday on the road.  The Beavers improve to 20-and-6 in the Pac 12 and 35-16-and-1 overall.  Oregon was defeated by USC 8-2 yesterday.  The Ducks will visit UC Riverside today.  Oregon falls to 10-and-17 in the Pac 12 and 27-and-26 overall.