More than four and a half hours after the first pitch was thrown, Austin Bush crushed a home run in the bottom of the 14th to give UC Santa Barbara a 3-2 walk-off win over Washington in the Nashville regional.

Justin Kelly kept the Gauchos in contention in the 13th and 14th innings and picked up the win. The Gauchos will face the winner of Vanderbilt and Xavier on Saturday at 9 p.m. ET.

Each team brought across a run during the 12th inning with UC Santa Barbara's Devon Gradford's solo blast over the scoreboard extending the game.

MORE: DI Baseball Regional Live Blog | Interactive Bracket