Back-to-back by The Bay

STANFORD, Calif. (AP) - Freshman Zeke Nnaji scored 21 points and grabbed 11 rebounds and Arizona beat Stanford 69-60 on Saturday night.Josh Green added 15 points for the Wildcats (18-7, 8-4 Pac-12), who have won five of six to move into a three-way tie for first place in the conference standings. Dylan Smith had 11 points.Bryce Wills scored a career-high 25 for the Cardinal (16-9, 5-7), who have lost four straight and seven of eight.Oscar da Silva, who sat out Thursday's game with a head injury