Tres Tinkle racked up 18 points, 10 rebounds and five assists as Oregon State men's basketball took its first loss of the season Tuesday night in Portland, falling 77-69 to Oklahoma. The game was Tinkle's 68th straight scoring in the double figures. The Beavers and Sooners each had four student-athletes in double-digit scoring, as Oklahoma shot 50% (11-22) from three-point territory and Oregon State shot 40% (8-20). The Beavers return to action Saturday at 6 p.m. PT/ 7 p.m. MT against Wyoming.