(Miami, FL) -- The Miami Heat look to even up the NBA Finals tonight as they host the San Antonio Spurs in Game Four at AmericanAirlines Arena. The Spurs jumped out to a 21-point lead at halftime and cruised to a 111-92 rout of the Heat in Game Three on Tuesday. San Antonio leads the best-of-seven set two-games-to-one. The Spurs also held a 2-1 series lead over the Heat in last year's Finals before losing three of the last four games. The series shifts back to San Antonio for Game Five on Sunday.