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 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...

Boston Celtics' Rajon Rondo (9) receives high-fives from teammates, from right, Paul Pierce, Kendrick Perkins and Ray Allen as he leaves the NBA basketball game late in the fourth quarter against...

BOSTON - MAY 8: (L-R) Brian Scalabrine #44, Kendrick Perkins #43, Paul Pierce #34, Kevin Garnett #5, Ray Allen #20 and Rajon Rondo #9 of the...