Dominic Calegari made all 10 of his shots from the floor to finish with 28 points in UC Davis' 79-77 victory over UC Irvine on Thursday night.
Mark Payne had 22 points and Joe Harden added 10 points for the Aggies (7-10, 3-2 Big West), who have beaten the Anteaters four-straight times.
Eric Wise had 25 points and eight rebounds for the Anteaters (8-9, 2-3).
After 13 lead exchanges in the first half, the Aggies opened up the second with a 15-6 run to lead 55-42.
The Anteaters countered with a 23-9 run, completed by Michael Hunter's back-to-back baskets that gave UC Irvine a 65-64 margin.
Tied at 70 with less than four minutes remaining, the Aggies outscored the Anteaters 9-7 to end the game. Payne made four-straight free throws in the last 21 seconds to ensure the victory for the Aggies.