Atlanta Hawks forward Josh Smith (C) passes the ball back to Hawks center Al Horford (15) between the defense of Boston Celtics center Kendrick Perkins (43) and Celtics forward Kevin Garnett (R) in the first quarter of Game 2 of their NBA basketball playoff series in Boston, Massachusetts April 23, 2008. (Xinhua/Reuters Photo)

Atlanta Hawks guard Mike Bibby (L) and Boston Celtics forward Leon Powe dive after a loose ball during the second quarter of Game 2 of their NBA basketball playoff series in Boston, Massachusetts April 23, 2008.(Xinhua/Reuters Photo)