Gyno Pomare scored 19 points and had 10 rebounds as San Diego scored 10 points in the final 1:18 to beat Santa Clara 55-50 on Sunday.
Rob Jones added 17 points for the Toreros (10-7, 2-0 in the WCC), who won their fourth straight and sixth of seven overall.
John Bryant had 19 points and 12 rebounds for the Broncos (7-11, 0-2), who lost their fourth straight and seven of nine. Perry Petty added 10 points.
The Broncos had the ball with a one-point lead with less than 40 seconds remaining to play. Trumaine Johnson fouled Petty, who in turn was called for a technical foul. Both players made their free throws, but the Toreros regained the lead for good when Johnson hit a short jumper with 30 seconds remaining for a 51-50 edge.
Matt Dorr made a steal for San Diego that led to a pair of free throws and a 53-50 lead. Jones added two foul shots with under a second remaining for the final margin.
The Toreros, who won after trailing at the half for the first time in seven games, lead the WCC with a .742 free throw percentage after making 15 of 16.
Bryant recorded his 11th double-double, second in the nation to Oklahoma's Blake Griffin, who has 13. He also went over 900 career rebounds. Marc Trasolini scored eight of his 10 points in the final five minutes.
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The Toreros took advantage of four Santa Clara turnovers early in the second half to take a 26-25 lead. The game remained close the rest of the way.
The Toreros missed nine of their first 11 shots and trailed 17-7 with just over eight minutes to play in the first half.
The Broncos went scoreless in the final 2:16 of the half, and were just 3-of-10 over the final 8:25.
Santa Clara led at halftime, 23-17.
