BOSTON - APRIL 28: Head coach Doc Rivers and Paul Pierce #34 of the Boston Celtics celebrate the win in Game Five of the Eastern Conference Quarterfinals during the 2009 NBA Playoffs at TD Banknorth Garden on April 28, 2009 in Boston, Massachusetts. The Celtics defeated the Chicago Bulls 106-104 in overtime. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Elsa/Getty Images)