Eric Bush scored 17 points and tied a Conference USA tournament record with six steals to lead Alabama-Birmingham to an 83-76 upset of No. 8 Marquette last night in the quarterfinals in Louisville.

Morris Finley scored 23 points and Demario Eddins added 16 points and five steals for the Blazers (18-11), who set a tournament record with 20 steals.

The Blazers also went 29 of 57 from the field (51 percent), the best shooting performance against Marquette this season.

"None of us is shocked," Bush said. "We knew we could compete with them.". . . .

Chris Massie had 18 points and 11 rebounds, and No. 16 Memphis overcame poor shooting to beat South Florida, 62-56, in the quarterfinals.

Rodney Carney scored 18 points, and Antonio Burks added eight assists for the Tigers (23-5), who won their 12th straight and advanced to the tournament semifinals for the third time in four seasons. . . .

Reece Gaines scored 15 points and Luke Whitehead had 11 points and 11 rebounds to help No. 20 Louisville beat Tulane, 82-66, in the quarterfinals.

Francisco Garcia scored 15 and Otis George added 14 for the Cardinals (22-6), who will play No. 16 Memphis (23-5) in today's semifinals.

* PACIFIC-10: Desmon Farmer scored 24 points, and Roy Smiley had a career-high 20 to help Southern California beat No. 15 Stanford in the opening round of the Pacific-10 Conference tournament in Los Angeles.

The Trojans (12-16) beat the Cardinal (23-8) in the first round for the second straight year despite losing both regular season matchups.

USC led the entire second half, with its largest lead of 14 points coming on a free throw by Farmer with 11:13 remaining. Farmer and Smiley combined to score 15 consecutive points during a nearly four-minute stretch when the Cardinal's shooting went cold. . . .

Luke Ridnour's driving layup with 3.3 seconds remaining lifted Oregon to an 83-82 victory over Arizona State in the first round.

Ike Diogu's three-point play with 12 seconds left had given the Sun Devils a one-point lead, but Ridnour drove the length of the court for the game-winner.

* ATLANTIC 10: Keith Waleskowski scored 16 points, Sean Finn added 15, and No. 22 Dayton showed little sign of rust after a 12-day layoff in defeating Rhode Island, 74-57, in the quarterfinals of the Atlantic 10 tournament in Dayton, Ohio.

Dayton (22-5) had 40 points inside and 18 second-chance points. The Flyers continually got the ball into their big men, who were able to use their height advantage to knock Rhode Island out of the conference tournament for the third straight year. . . .

Delonte West returned from his leg injury, and Pat Carroll hit several pivotal three-pointers to help No. 25 St. Joseph's (23-5) pull away to a 68-48 victory over La Salle in the quarterfinals.