Trier scores 25, No. 4 Arizona beats USC 90-77

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TUCSON, AZ (AP) -

Allonzo Trier scored a season-high 25 points, including four 3-pointers, and No. 4 Arizona beat USC 90-77 on Thursday night to stay alone atop the Pac-12 and set up a Saturday showdown against No. 5 UCLA.

Rawle Alkins added 12 points and Lauri Markkanen had 11 for the Wildcats (26-3, 15-1) in Arizona's 21st consecutive home win.

Bennie Boatwright scored 23 points and Chimezie Metu had 15 for the Trojans (22-7, 8-7), who lost their third in a row -- to the top three teams in the conference (Arizona, Oregon and UCLA).

The Wildcats closed the first half with a 12-2 run and were up by as many as 16 points in the second half.

Arizona made 11 3-pointers in 20 attempts, its most 3s in a Pac-12 game this season.

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