PULLMAN (AP) — Deandre Ayton scored 25 points and grabbed 11 rebounds and Allonzo Trier added 24 points as No. 9 Arizona beat cold-shooting Washington State 100-72 to remain in first place in the Pac-12. Rawle Alkins scored 16 points for Arizona to help the Wildcats to their seventh straight win. Robert Franks led Washington State with 25 points.