2009–10 Boston Celtics season for the twenty-first time in franchise history. The Celtics made it back to the NBA Finals after a one-year hiatus and played against the defending NBA champion and their rival, the Los Angeles Lakers. In a rematch of the 2008 NBA Finals, in which the Celtics defeated the Lakers in six games to capture their seventeenth championship, the Celtics were defeated this time by the Lakers in seven games. 2009–10 Boston Celtics season The 2009–10 Boston Celtics season was the 64th season of the Boston Celtics in the National Basketball Association (NBA). The Celtics finished with a record of 50–32,
Boston Celtics team. FIBA, the body which governs international basketball, has selected two players associated with the Celtics to the FIBA Hall of Fame for contributions to international basketball. The Celtics hold the draft rights to the following unsigned draft picks who have been playing outside the NBA. A drafted player is ostensibly either an international draftee or a college draftee who is not signed by the team that drafted him, is allowed to sign with any non-NBA teams. In this case, the team retains the player's draft rights in the NBA until one year after the player's contract with the non-NBA