LAS VEGAS (AP) _ Ambrosia Anderson's tiebreaking 3-pointer with 23 seconds left sent No. 18 BYU to a 55-51 victory over UNLV on Saturday night.

Anderson, the Cougars' leading scorer, scored 12 of her 15 points in the second half. Her 3-pointer snapped a 51-all tie.

She connected on a 3-pointer to open the scoring for the Cougars (20-2, 10-1 Mountain West Conference), but didn't score again until midway through the second half.

Kameca Simmons had only two points during the first half for the Lady Rebels (13-8, 5-5), but scored UNLV's final seven points and 11 of the last 17. Sheena Moore scored the remaining six points.

The final score was the largest lead either team had during the second half. The Cougars went up by four on Melinda Johnsen's free throw with 9 seconds left.

Dani Kubik led the Cougars with 16 points and Mallary Gillespie had 14.

Moore and Simmons each had 13 points for the Lady Rebels and Sequoia Holmes had 12.