Rajon Rondo helped the Celtics win an NBA championship in 2008.
Rondo is now with the Bulls, starting 42 games at point guard with 7.8 points per game to go with 6.7 rebounds and 5.1 assists.
That fact is known to the Celtics, who are preparing to face Rondo and the Bulls in the first round of the Eastern Conference playoffs.
Over his career, Rondo has averaged about three points and one rebound more during nationally televised games.
