Andre Roberson had 13 points and 10 rebounds as Colorado beat Southern California 74-50 on Thursday night, sending the Trojans to their ninth straight loss.
Carlon Brown scored 13 points with nine rebounds for the Buffaloes (14-6, 6-2), who used a 23-4 run spanning both halves in winning their first Pac-12 road game. Askia Booker scored 13, Austin Dufault 11 and Jeremy Adams 10.
Maurice Jones scored 13 points to lead the Trojans (5-16, 0-8), who shot 32 percent overall and went 5 of 25 on 3-pointers.
Roberson hit a layup and a free throw coming out of halftime to make the lead 40-26. After USC's James Blascyk scored on a jumper with 17:33 left, the Trojans went scoreless for nearly 6 minutes.