Eighth-ranked UCLA won for the first time this season when allowing five runs or more.
Bruins are seeded second in the tournament at Boulder CC.
The Bruins (28-8, 14-4) are off to their best start in conference play since 1969.
UCLA posted multiple second-place finishes on Sunday morning on Lake Hartwell.
UCLA earned its fourth consecutive win over USC on Saturday afternoon at Spieker Aquatics Center.