The 2010–11 Los Angeles Lakers season was the 63rd season of the franchise, 62nd in the National Basketball Association (NBA) and 51st in Los Angeles. As both the three-time defending Western Conference Champions and the two-time defending NBA Champions, the Lakers attempted their third "three-peat" in franchise history (1952–54) and (2000–02), but were swept by the eventual champion Dallas Mavericks in the Western Conference Semi-finals. The Lakers marked the end of an era for head coach Phil Jackson, who was diagnosed with prostate cancer in March 2011. He proceeded to announce his retirement as head coach after the playoffs. The Lakers once again sold out all 41 home games for the season at Staples Center.