Sam Godwin registered game highs of 20 points and 14 rebounds Saturday night, while Kobe Elvis added 15 points as No. 13 Oklahoma improved to 10-0 with an 80-65 thumping of Bedlam rival Oklahoma State in Oklahoma City.In the first nonconference game between the two since 1958, it was all Sooners as they led for all but 25 seconds. Oklahoma shot 49.2 percent from the field and earned a 42-26 advantage in points in the paint.Freshman Jeremiah Fears contributed 17 points for the Sooners, which stifled the Cowboys (6-3) on the defensive end. Oklahoma State hit only 39.3 percent from the field, including just 5-of-18 from 3-point range, and coughed up 16 turnovers that led to 21 points.Marchelus Avery came off the bench to score 19 points for the Cowboys, who got only 23 points from their starting lineup. Bryce Thompson, their third-leading scorer at 11.3 points per game, managed just two points on 1 of 6 shooting.Godwin got Oklahoma going early, scoring its first three baskets, two off Elvis feeds. The Sooners controlled things throughout, preventing Oklahoma State from being able to push the pace with its full-court pressure defense.