San Antonio Spurs power forward Tim Duncan (21) dunks on the Miami Heat during the first half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
The San Antonio Spurs bench react to a Tim Duncan dunk against the Miami Heat during the first half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
Miami Heat small forward LeBron James (6) speaks to teammates during the first half of Game 6 of the NBA Finals basketball game against the San Antonio Spurs, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
San Antonio Spurs center Tiago Splitter (22) of Brazil and Miami Heat power forward Chris Andersen (11) vie for a loose ball during the first half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
San Antonio Spurs speak on the court during the second half of Game 6 of the NBA Finals basketball game against the Miami Heat, Tuesday, June 18, 2013 in Miami. (AP Photo/Lynne Sladky)
Miami Heat center Chris Bosh (1) and San Antonio Spurs forward Tim Duncan (21) stand on the court during the first half of Game 6  in their NBA Finals basketball series, Tuesday, June 18, 2013 in Miami. (AP Photo/Lynne Sladky)
Miami Heat head coach Erik Spoelstra speaks to players against the San Antonio Spurs during the second half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Lynne Sladky)
Miami Heat shooting guard Mike Miller (13) looks on as San Antonio Spurs small forward Kawhi Leonard (2) moves the ball during the second half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Lynne Sladky)
Miami Heat shooting guard Ray Allen (34) drives to the basket as San Antonio Spurs power forward Tim Duncan (21) defends during the first half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
San Antonio Spurs power forward Tim Duncan (21) dunks on the Miami Heat during the first half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
San Antonio Spurs power forward Tim Duncan (21) dunks on the Miami Heat during the first half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
San Antonio Spurs power forward Tim Duncan (21) dunks on the Miami Heat during the first half of Game 6 of the NBA Finals basketball game, Tuesday, June 18, 2013 in Miami. (AP Photo/Wilfredo Lee)
See photo in original gallery.