Rawle Alkins scored 20 points, Deandre Ayton added 18 and No. 13 Arizona expanded its Pac-12 lead with an 81-67 victory over USC on Saturday night.
Dusan Ristic added 16 points, and Allonzo Trier had 13 for the Wildcats (20-6, 10-3 Pac-12).
Chimezie Metu scored 18 points, and Jordan McLaughlin added 16 for the Trojans (17-9, 8-5), who lost their third in a row. Nick Rakocevic scored 12 points, but fouled out with 4:37 to go.
Arizona, beaten Thursday night by UCLA in the Wildcats’ first home loss of the season, defeated USC in Tucson for the eighth straight time.