BOSTON, MA – MARCH 18: LeBron James #6 of the Miami Heat reacts in the first quarter against the Boston Celtics on March 18, 2013 at theTD Garden in Boston, Massachusetts. The Heat are attempting to win their 23rd game in a row, which would be the second longest winning streak in NBA history. 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 Jim Rogash/Getty Images)