Saint Mary's defeated the No. 1 overall seed UCLA 3-2 on Friday during the opening game of the Los Angeles Regional [1, 2].

The victory represents a massive upset in the 2026 NCAA baseball tournament, as the top-seeded Bruins lost on their home turf. The result shifts the momentum of the regional bracket and marks a historic achievement for the Gaels program.

The game took place at Jackie Robinson Stadium in Los Angeles, California [1, 2]. Saint Mary's entered the tournament with a season record of 35-25 [2]. Despite the disparity in seeding, the Gaels managed to outlast the Bruins in a tightly contested match.

Jacob Johnson provided the offensive spark for Saint Mary's, hitting two home runs during the game [2]. The most critical blow came in the ninth inning, when Johnson hit the game-winning home run to secure the 3-2 lead [2].

UCLA entered the contest as the No. 1 overall seed in the tournament [1]. The loss in the regional opener puts the Bruins in a precarious position as they attempt to recover and advance toward the College World Series.

The Gaels' victory was sealed by the ninth-inning power surge, leaving the home crowd at Jackie Robinson Stadium stunned by the unexpected outcome [2].

Saint Mary's defeated the No. 1 overall seed UCLA 3-2

This result disrupts the projected path of the Los Angeles Regional by eliminating the top seed's aura of invincibility. For Saint Mary's, the win validates their 35-25 regular season and proves they can compete with elite programs under high-pressure postseason conditions.