Chicago Bulls' Jimmy Butler (Top) dunks during the NBA basketball game against Washington Wizards in Washington, the United States, April 2, 2013. Washington Wizards won 90-86. (Xinhua/Zhang Jun)

Chicago Bulls' Luol Deng (R) talks to teammate Nate Robinson during their NBA basketball game against Washington Wizards in Washington, the United States, April 2, 2013. Washington Wizards won 90-86. (Xinhua/Zhang Jun)

Chicago Bulls' Luol Deng (L) goes to the basket during the NBA basketball game against Washington Wizards in Washington, the United States, April 2, 2013. Washington Wizards won 90-86. (Xinhua/Zhang Jun)

Chicago Bulls' Luol Deng (L) vies with Washington Wizards' Trevor Ariza (R) during their NBA basketball game in Washington, the United States, April 2, 2013. Washington Wizards won 90-86. (Xinhua/Zhang Jun)

Washington Wizards' John Wall (Top) blocks Chicago Bulls' Luol Deng during their NBA basketball game in Washington, the United States, April 2, 2013. Washington Wizards won 90-86. (Xinhua/Zhang Jun)

Chicago Bulls' Carlos Boozer (F) is defended by Washington Wizards' Kevin Seraphin during their NBA basketball game in Washington, the United States, April 2, 2013. Washington Wizards won 90-86. (Xinhua/Zhang Jun)