Gordon Marshall scored a career- and game-high five goals to lead the Bruins.
The Bruins and the Golden Bears square off on the Pac-12 Networks in an important MPSF contest.
Again UCLA had six different goal scorers, but the Bruins dropped their second straight game.
UCLA received goals from six different players, but saw its 18-game winning streak snapped.
Sophomore Gordon Marshall had a game-high three goals to lead the Bruins.
Senior Paul Reynolds led all scorers with four goals.
UCLA Men's Water Polo senior Cristiano Mirarchi takes his turn in the spotlight.
Cristiano Mirarchi, Daniel Lenhart and Matt Farmer each scored twice to lead UCLA to a 16-0 record.
All 16 teams at this weekend's SoCal Tournament at UCLA are ranked in the Top 20 in the country.
Seniors Chris Fahlsing and Paul Reynolds each scored a game-high three goals to lead the Bruins.
Garrett Danner had 12 saves in three quarters and Danny McClintick had a game-high three goals.
UCLA hosts No. 12 Pepperdine on Oct. 3 and No. 17 Loyola Marymount and Golden West (Exh.) on Oct. 4.