LOS ANGELES (Ticker) -- No. 20 California tries to avoid a winless week against Los Angeles schools when it visits Pac-10 Conference foe Southern California at the L.A. Sports Arena on Saturday.
The Bears (18-5, 11-3 Pac-10) were upset by UCLA at Pauley Pavilion on Thursday, 76-75, in overtime.
After Dijon Thompson put the Bruins ahead with a basket with six seconds left, Amit Tamir missed an open 12-foot jumper just before the buzzer, snapping the Bears' four-game winning streak.
Brian Wethers scored 21 points and Joe Shipp 18 for the Bears, who fell 1 1/2 games behind first-place Arizona in the conference standings.
The Trojans (10-12, 5-8) have lost a season high-tying three straight games, including a 73-67 home loss to Stanford on Thursday.
Desmond Farmer scored 24 points and Rory O'Neil and Gregg Guenther each recorded a double-double but they could not help the Trojans from blowing a five-point lead in the final 6:51.
USC has not lost four in a row since a five-game skid in 2000.
California defeated USC at home on January 23, 73-68. The Bears have won 10 of 13 against the Trojans, including four of five at the Sports Arena.