De’Vion Harmon made four 3-pointers and scored 22 points to lead Oklahoma to an 82-46 rout over TCU on Tuesday night.
Oklahoma (7-4, 3-3), which beat TCU 82-78 on Dec. 6 in a Big 12 Conference opener, ended a two-game losing skid. The Horned Frogs (9-5, 2-4) have lost three straight since having their five-game winning streak snapped.
Austin Reaves added 11 points and Alondes Williams had 10 for Oklahoma. The Sooners scored 25 points from 16 TCU turnovers.
R.J. Nembhard scored 10 points to lead TCU.
The Horned Frogs shot just 35 percent (18 of 52) from the floor that included 15 missed 3-pointers. They were also cold from the free-throw line, hitting 6 of 17 (21 percent). It was the lowest scoring output for TCU this season.
The Sooners opened the second half on a 24-12 run, stretching their lead to 58-34 with 11 minutes to play.
Oklahoma leads the series 27-4 and has won 19 of 22, including the last eight in a row. The Sooners have not lost to TCU at home.
TCU: The Horned Frogs game at No. 13 West Virginia on Saturday was postponed. They are scheduled to host No. 15 Texas Tech on Jan. 20.
Oklahoma: The Sooners are scheduled to play at Oklahoma State on Saturday.