ALSO-ran Adamson University stunned semifinal contender University of Santo Tomas, 25-23, 25-19, 25-17, on Sunday in the UAAP Season 79 volleyball tournament at the MOA Arena.
John Philip Yude and Dave Pletado scored nine points each as the Falcons scored their second consecutive win against Final Four contenders.
The Falcons pushed UST into a must-win situation against third-running Far Eastern University (7-6) on Saturday.
Adamson beat FEU in five sets last week.
The Tigers dropped to fourth with a 6-7 win-loss card, ahead of University of the Philippines (5-8).
UST team captain Arnold Bautista scored seven, while Tyrone Carodan and Jerico Jose added six points each.