Emanuel Sharp scored 14 points, J’Wan Roberts added 12 and the 12th-ranked Houston Cougars rode a second-half rally to a 65-46 victory over the visiting TCU Horned Frogs on Monday.Baskets by Trazarien White and Vasean Allette to start the second half pulled the Horned Frogs to within 29-26 early in the second half, butSharp hit a step-back jumper and a 3-pointer to highlight a 9-0 run. Roberts began that burst with a layup.Houston (11-3, 3-0 Big 12) extended that rally to 19-4 on a 3-pointer by L.J. Cryer to widen the lead to 48-30.The Cougars ran their overall winning streak to seven games and its homecourt winning streak to 31 games, the longest in the nation. Cryer finished with 10 points.Noah Reynolds paced the Horned Frogs (8-6, 1-2) with 19 points while Allette added 11 points and five rebounds.TCU shot 42.6 percent overall, missed 15 of 18 3-pointers and committed 19 turnovers that Houston converted into 16 points en route to its wire-to-wire victory.