TaShawn Thomas scored 24 points to help No. 18 Oklahoma beat No. 22 Baylor 73-63 on Saturday.
Thomas, a senior who transferred from the University of Houston before the season, made 11 of 17 shots and grabbed eight rebounds.
Buddy Hield had 20 points and 10 rebounds and Isaiah Cousins added 19 points for the Sooners (10-3, 1-0 Big 12), who won their third straight in the conference opener for both teams.
Freshman Johnathan Motley scored a season-high 24 points and Taurean Prince added 17 for Baylor (11-2, 0-1), which had won six straight. The Bears shot 46 percent in the first half, but just 29 percent after the break.
Baylor, which had held opponents to 55 points per game, allowed its highest point total of the season. Oklahoma made 21 of 25 free throws, while Baylor made just 12 of 18.
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