Shane Schilling had 22 and Varnie Dennis had 19 points as Cal Poly San Luis Obispo edged UC Riverside, 83-77, Saturday at San Luis Obispo.
The Mustangs (6-5) improved to 2-0 in conference for the first time since joining the Big West for the 1996-97 season.
The Highlanders (1-7) led by as many as 13 points in the first half and had a 68-67 lead late in the second half before Cal Poly closed with a 15-10 run.
Freshman Nate Carter had 30 points and 10 rebounds to lead UC Riverside.
Kevin Butler scored 16 for the Highlanders, who have lost five in a row.
Cal Poly guards Steve Geary and Jason Allen finished with 11 points apiece.
UC Santa Barbara (7-2, 1-0 Big West) has won the last 17 games between the teams.
The Gauchos opened the game with an 18-3 run. Fullerton (3-9, 1-1) was held scoreless for the first 5:54 and made only one of 14 shots in the opening nine minutes.
The Titans made three of 25 shots to shoot 12% in the first half. UC Santa Barbara led, 38-10, at halftime.
Brandy Richardson had 10 points and a game-high 15 rebounds for the Gauchos. Jess Hansen had 11 and Lisa Willett added 10.
The Gauchos shot 46% from the field for the game.