...Samuel Dalembert, right, reaches over as he tries to block a shot by Boston Celtics center Kendrick Perkins during the first half of their NBA basketball game in Boston, Friday, Dec. 18, 2009. (AP...

BOSTON - NOVEMBER 1: Kendrick Perkins #43 of the Boston Celtics looks to maneuver against James Posey #41 of the New Orleans...

Original Caption: BOSTON - MAY 6: Kendrick Perkins #43 of the Boston Celtics slam dunks against the Orlando Magic in Game Two of the...

BOSTON - MAY 6: Kendrick Perkins #43 of the Boston Celtics slam dunks against the Orlando Magic in Game Two of the...

CHARLOTTE, NC - DECEMBER 1: Kendrick Perkins #43 of the Boston Celtics drives to the basket against Boris Diaw #32 of the Charlotte...

MINNEAPOLIS - NOVEMBER 4: Al Jefferson #25 of the Minnesota Timberwolves goes to the basket against Kendrick Perkins #43 of the Boston Celtics during the game on November 4, 2009 at the Target Center...

BOSTON - OCTOBER 09: Kendrick Perkins #43 of the Boston Celtics moves the ball against David Lee #42 of the New York...

Cleveland Cavaliers' Anderson Varejao (17), from Brazil, drives the lane between Boston Celtics' Kevin Garnett and Kendrick Perkins (43) in the first half of an NBA basketball game Tuesday, Oct. 27, 2009, in Cleveland...

BOSTON - MAY 6: Kendrick Perkins #43 of the Boston Celtics grabs a rebound against Rashard Lewis #9 of the Orlando Magic...

Boston Celtics guard Ray Allen, center, listens to guard Rajon Rondo, right, with teammate Kendrick Perkins, left, during NBA basketball training camp at Salve Regina University in Newport, R.I., Wednesday, Sept...

BOSTON - APRIL 8: Brook Lopez #11 of the New Jersey Nets grabs the rebound against Kendrick Perkins #43 of the Boston Celtics during the game on April 8, 2009 at TD Banknorth Garden...

Boston Celtics Kendrick Perkins (43) has his shot stripped by Indiana Pacers center Roy Hibbert (55) during the first quarter...

Boston Celtics center Kendrick Perkins (43) can't reach an offensive rebound against Indiana Pacers forward Troy Murphy, center, and guard...

Boston Celtics guard Ray Allen (20) dribbles as teammate Kendrick Perkins (43) sets a pick on Indiana Pacers forward Mike Dunleavy, middle, during the second half of...

...9) drives to the basket through Boston Celtics' Ray Allen, right, Paul Pierce, rear left, and Kendrick Perkins, rear center, during the second half of their NBA basketball game in Boston, Friday, Dec. 18...