Austin Reaves scored 32 points, making 16 of 18 free-throw attempts, to lead Oklahoma to an 82-78 win at TCU on Sunday in both team's Big 12 opener.
Brady Manek added 14 points and De'Vion Harmon had 13 points for the Sooners (2-0, 1-0).
Mike Miles led the Horned Frogs (4-1, 0-1) with 21 points.