The win ends Tennessee’s four-game losing streak.
The Vols trailed, 3-2, in the ninth inning. Dylan Dreiling hit a solo home run with two outs to tie the game.
Griffin Merritt hit a home run in the 12th inning to win the contest for Tennessee.
The Vols, despite trailing late, took a 1-0 lead in the second when Zane Denton hit a home run.
Pitcher Chase Burns (3-3) earned the win. He pitched three innings of scoreless relief. He totaled 42 pitches (28 strikes), recording seven strikeouts, allowing one hit and zero walks.
Andrew Lindsey made his second consecutive Friday SEC start for the Vols. He pitched 6.2 innings, allowing three runs, six hits and two walks, while recording six strikeouts.
Tennessee has won five straight games versus Vanderbilt, marking the Vols’ longest win streak against the Commodores since winning five straight from 1995-97.
PHOTOS: Tennessee baseball defeats Vanderbilt in extra innings