BOSTON, MA - MAY 10: Tracy McGrady #1 of the Atlanta Hawks tries to keep the ball from Mickael Pietrus #28 of the Boston Celtics in Game Six of the Western Conference Quarterfinals in the 2012 NBA Playoffs on May 10, 2012 at TD Garden in Boston, Massachusetts. 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)