CORVALLIS, Ore. -- Roeland Schaftenaar's 3-pointer sent the game into overtime and Oregon State went on to beat Southern Cal 62-58 on Sunday, snapping a 23-game Pacific-10 Conference losing streak. Schaftenaar tied a career-high with 18 points for the Beavers (6-6, 1-1), who erased a 15-point second-half deficit. Calvin Haynes added 16 points, including four points in overtime. Taj Gibson led Southern Cal (10-4, 1-1) with 15 points. The Trojans entered the game on a five-game winning streak and had beaten the Beavers seven consecutive times. Oregon State's conference losing streak dated back to a 73-65 home win against Washington on Feb. 22, 2007. The Beavers are in their first season under coach Craig Robinson, the brother-in-law of President-elect Barack Obama.