Brittany Howard had 12 kills, leading the No. 4 Stanford women's volleyball team to a 25-18, 25-16, 25-18 sweep of sixth-ranked USC at Maples Pavilion.
The Cardinal, (15-2, 7-0 Pac-12) has won 13 in a row.
Inky Ajanaku also had 12 kills for the Cardinal and hit a match-high .529 to go with six blocks and Carly Wopat finished with seven kills on 15 attempts with just one error.
Setter Karissa Cook racked up 23 assists while Madi Bugg added 14 assists and two digs.
Tickets to the second and third rounds of the 2013 NCAA basketball tournament at HP Pavilion go on-sale at 10 a.m. Saturday at www.NCAA.com/mbbtickets.
Games in San Jose are slated for March 21 (Thursday) and March 23 (Saturday).
The main bout features Anderson Silva against Stephan Bonnar in a light-heavyweight matchup.