O.J. Mayo scored 23 points, and the USC Trojans stepped it up on the defensive end to beat Arizona State 59-55 in the quarterfinals of the Pac-10 tournament.
Davon Jefferson and Taj Gibson each had 11 points and nine rebounds for the Trojans, who were superb on the defensive end allowing ASU's final field goal with more than 9 minutes remaining in the game.
The win was the sixth in seven games for the fourth-seeded Trojans (21-10), who had already assured themselves of an NCAA tournament berth.
