(Corvallis, OR)  --  Oregon State lost to USC 74-67 in a Pac-12 game Saturday in Corvallis.  Tres Tinkle led OSU with 21 points.  The Beavers slipped to 11-and-8 overall and to 3-and-4 in the Pac-12.  They do not play again until this Saturday when they face Oregon in Eugene.