File - In this June 1, 2012, file photo, Boston Celtics guard Ray Allen (20) drives past Miami Heat forward LeBron James (6) and forward Udonis Haslem during the second quarter of Game 3 in the NBA basketball playoffs Eastern Conference finals in Boston. Allen told the Miami Heat on Friday night, July 6, 2012, that he has decided to leave the Celtics and join up with the reigning NBA champions. (AP Photo/Elise Amendola, File)

Photo by: Elise Amendola

File - In this June 1, 2012, file photo, Boston Celtics guard Ray Allen (20) drives past Miami Heat forward LeBron James (6) and forward Udonis Haslem during the second quarter of Game 3 in the NBA basketball playoffs Eastern Conference finals in Boston. Allen told the Miami Heat on Friday night, July 6, 2012, that he has decided to leave the Celtics and join up with the reigning NBA champions. (AP Photo/Elise Amendola, File)