Lee Cummard had 22 points and seven rebounds to lead BYU over TCU 73-61 on Tuesday night.
The Cougars (14-2, 2-0 Mountain West) led by as much as 24 and never let TCU (11-6, 2-1) get any closer than 12 in the second half.
The Horned Frogs had won four straight, but had a dismal game at the foul line. TCU made 11 of 21 foul shots and never recovered after shooting 31 percent from the field in the first half.
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Kevin Langford led TCU with 14 points. Zvonko Buljan had 10 points and 12 rebounds and Edvinas Ruzgas scored 10 for TCU.
The Frogs were 8-for-26 from the floor in the first half and trailed 42-21 at halftime after allowing BYU to pull away on a late run.
The Cougars led by 20 or more for much of the second half until TCU finally started hitting some shots and got back in it by holding BYU scoreless for more than 4 minutes. The Cougars went 0-for-8 from 3-point range in the second half, but had a big enough lead to keep the Frogs from seriously threatening.
The Frogs trimmed got within 12 twice, but ran out of time to get it any closer.
BYU blew the game open at the end of the first half with an 18-5 run.
Tavernari hit a jumper just inside the arc to put BYU up 36-20, Emery took a steal in for a layup followed by a short bank shot by Cummard, then Tavernari capped it by taking a steal and dunking it with about 30 seconds left in the half and put the Cougars up 42-21.