Boston Celtics center Kendrick Perkins, back left, blocks a shot by Denver Nuggets guard J.R. Smith, back right, as Celtics guard Ray Allen, front, looks on in the first quarter of an NBA basketball game in Denver on Monday, Feb. 23, 2009. AP Photo logo AP Photo 9 months ago

Boston Celtics center Kendrick Perkins, back left, blocks a shot by Denver Nuggets guard J.R. Smith, back right, as Celtics guard Ray Allen, front, looks on in the first quarter of an NBA basketball game in Denver on Monday, Feb. 23, 2009.