TUCSON, Ariz. (AP) - Allonzo Trier scored 15 of his 18 points in the second half, Parker Jackson-Cartwright added 16 points and No. 17 Arizona held off UCLA 81-75 on Friday night.
Arizona (20-5, 8-4 Pac-12) stumbled through a lackluster first half at both ends to trail by 10. The Wildcats tightened up defensively in the second and took advantage of UCLA's foul trouble to wear down the Bruins.
UCLA (13-11, 4-7) had centers Thomas Welsh and Tony Parker foul out in a span of 42 seconds late in the second half and Arizona took advantage by pounding the ball inside.
Kaleb Tarczewski and Ryan Anderson combined for 27 rebounds, and Arizona made 29 of 45 free throws in the foul-filled game. Gabe York added 15 points.
Isaac Hamilton scored 24 points and Bryce Alford had 17 for UCLA, which was 12 for 16 on free throws.