AMES, Iowa (AP) — Tamin Lipsey scored 19 points and Curtis Jones added 18 to help No. 6 Iowa State finish the season undefeated at home for the first time in 23 years with a 68-63 win over No. 20 Brigham Young on Wednesday night.

The Cyclones (24-6, 13-4 Big 12) completed their home schedule 18-0 and remained within a game of conference leader Houston heading in the final weekend.

BYU (21-9, 9-8) failed in its bid to knock off a top 10 team for the second time in as many weeks. The Cougars were led by Ricjie Saunders’ 20 points.

Iowa State trailed 46-32 early in the second half before using an 11-0 run, highlighted by Lipsey’s 3-pointer, to tie the score at 56 with 7:52 left to play.

The Cyclones went ahead for good on Robert Jones basket, making the score 64-63 with 2:51 left.

BYU went nearly 4 1/2 minutes without scoring, making just one of its final 9 shots and turning the ball over three times in the final 2 minutes.

The Cougars missed their first five shots – all from 3-point range – then hit six of their next nine shots behind the arc.

Aly Khalifa gave BYU a 21-18 lead with a 3-pointer. Two more by Richie Saunders completed a 9-0 run and gave the Cougars a 27-18 advantage.

Another 3-pointer and layup by Saunders gave BYU a 38-27 cushion at halftime. Saunders made all six of his shots in the opening 20 minutes.

The Cyclone began to come back when Curtis Jones made a 3-pointer and layup that pulled Iowa State within 51-45. Sounders scored and was fouled. The ensuing free throw pushed BYU’s margin back to 54-45.

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BYU: hosts Oklahoma State on Saturday

Iowa State: at Kansas State on Saturday