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LOS ANGELES -- Freshman Hassan Adams scored 21, and No. 2 Arizona played superb defense down the stretch Thursday in rallying for an 81-72 victory against USC.
Arizona is in position for its first sweep of USC and UCLA in Los Angeles since 1992-93 on Saturday against the Bruins at Pauley Pavilion.
USC was coming off a 99-61 loss to Pennsylvania, but it gave Arizona all it could handle.
The Wildcats have won 18 of 22 against USC but had lost four of the past six at the Los Angeles Sports Arena. For a while, it looked like they might lose this game, too.
Arizona outscored USC 25-8 to finish the game. The Trojans made only two field goals after Rory O'Neil's basket with 11:26 left.
The Trojans got two baskets each from Errick Craven and O'Neil in outscoring the Wildcats 8-3 to start the second half for a 56-47 lead. It was 64-56 when the Wildcats took command.
A 3-pointer by Salim Stoudamire got Arizona started. After O'Neil scored, the Wildcats scored 13 in a row to go ahead for good.
Andre Iguodala's three-point play with 9:08 left put Arizona on top for the first time, and Stoudamire's two free throws with 7:38 left completed the spurt, making it 72-66.
NO.15 LOUISVILLE 87, E. CAROLINA 70: Marvin Stone had 23 points and nine rebounds and Reece Gaines scored 22 for the Cardinals.
At 11-1 and 3-0 in Conference USA, the Cardinals, who won their 10th in a row, are off to their best start since 1996-97. It also was their fourth road victory, surpassing last season's three.
Derrick Wiley had 21 points and Largo high graduate Erroyl Bing had 16 points and 12 rebounds for East Carolina, which had won its past five conference home games.
Louisville went on a 17-1 run midway through the first half to take a double-digit lead it did not relinquish. The Cardinals, who led by as many as 31 during the second half, shot 58 percent against a squad that had been holding opponents to 38 percent shooting and 61 points per game. The Pirates shot 38 percent.
East Carolina rallied to within 76-62 on a jumper by Wiley with about five minutes left, but it got no closer.
BC 93: N.C. STATE 81: Troy Bell scored 25 and Ryan Sidney 24 as the visiting Eagles ended a four-game losing streak. N.C. State entered 34-3 against nonconference teams since moving to the RBC Center, but a cold shooting night did in the Wolfpack, which started 5-0 against an easy schedule but is 3-4 since. The Eagles used a 10-2 run midway through the second half to open a 12-point lead. The Wolfpack went 8:41 without a basket and finished at 38 percent from the floor, including 6-for-29 on 3-pointers.
CAL 73, WASHINGTON 66: Amit Tamir scored 18 of his 26 in the second half as the visiting Golden Bears improved to 4-0 in the Pac-10. Tamir shot 6-of-7 from the field in the second half, making all four of his 3-pointers. Down six with 4:02 left, the Huskies cut it to 63-60. But Joe Shipp made six free throws during the final 32 seconds.
ARIZONA ST. 75, UCLA 64: The Sun Devils withstood a late rally to beat win consecutive games at UCLA for the first time and improve to 4-1 in the Pac-10 for the first time since 1987-88. The Bruins closed within six in the final four minutes after being down 21 early in the second half. But the Sun Devils outscored UCLA 11-6 during the final 3:21.
BUTLER 81, WRIGHT ST. 70: The visiting Bulldogs improved to 14-1 (4-0 in the Horizon), with their only loss coming at Hawaii. Butler's Darnell Archey two free throws, extending his Division I record to 84 in a row made.
TAMPA -- South Florida officials faxed the additional requested information to the NCAA regarding the eligibility of guard Raphael Toren, and the Bulls hope a ruling could come as soon as today.
Toren, 20, a 6-foot-6 Israel native who played in 31 games for a professional team there, has sat out nine games, one more than the maximum in such cases, while awaiting a ruling. Last week, the NCAA asked USF for some verification of facts, and the school hired two attorneys to assist it. The team leaves at 1 p.m. today for its 8 p.m. Saturday game at Memphis. Should Toren be cleared today after the team leaves, he will fly Saturday morning to Memphis.
SAINT LOUIS: Coach Brad Soderberg remained hospitalized with flulike symptoms, and his availability for Saturday's game at Houston is in doubt. Assistant Anthony Beane is the acting coach.
SOUTHERN MISS: Senior center Ben Lambert left the team for personal reasons. He averaged 2.4 points and 2.2 rebounds in 12 games.
-- Times staff writer Pete Young contributed to this report.