Dylan Royer scored 18 points and Kyle Odister came off the bench and added 15 points, including the game-winning free throws and Cal Poly upset No. 11 UCLA 70-68 on Sunday.
Chris Eversley had 15 points and 10 rebounds for the Mustangs (2-2), who erased an 18-point deficit in the second half and earned their first win against UCLA in six tries.
Down 51-33, Cal Poly went on a 34-14 run.
Eversley tipped in a miss for a 67-65 lead and Cal Poly didn't trail the rest of the way.
Odister made free throws for a 68-65 lead and 70-68 edge with 14.2 seconds remaining.
Jordan Adams missed a 3-point attempt and time expired for the Bruins (4-2), who needed overtime to defeat another Big West opponent, UC Irvine, earlier this month.
UCLA made only one field goal in the final three minutes, on Adams' layup underneath to tie it 68.
Freshman guard Shabazz Muhammad led UCLA with 15 points and 10 rebounds in his debut at Pauley Pavilion. Travis Wear had 14 points and Adams scored 13.