STANFORD, Calif. (AP) - Katin Reinhardt scored 14 points to lead the Trojans (19-9, 8-7), who have lost four of five after opening conference play winning 7 of 10. Bennie Boatwright added 11 and Elijah Stewart had 10.
USC, coming off its first home loss Sunday, was held to a season-low in points and were held under 70 for the fourth time, three in its last five.
Dorian Pickens scored 22 of his career-high 25 points in the first half for Stanford.
The Trojans held an early 14-11 advantage following Reinhardt's jumper.