Jordan McRae had 15 points and Jarnell Stokes added 13 as Tennessee pushed number one Florida down to the final minute of play, losing 56-49.
The Vols took a seven point lead into the half, but let the lead slip early in the second stanza.
After a near ten minute drought with no a single field goal, Jordan McRae tied the game with a three pointer with just less than three minutes to play.
McRae's three would end up being the final points of the game for UT as Florida hit some free throws down the stretch to close out the game.
The Gators improved to 20-0 against SEC opponents and will face Kentucky or Georgia in the championship game Sunday.
The Vols now have to rely on a large bid to make the NCAA tournament, which should be awarded after a tough fought game against the top team in the country.