The 2010–11 Dallas Mavericks season was the 31st season of the franchise in the National Basketball Association (NBA). This season would prove to be the most successful season for the Mavericks. In the playoffs, the Mavericks defeated the Portland Trail Blazers in six games in the First Round, then swept the defending two-time NBA champion Los Angeles Lakers in four games in the semi-finals, before defeating the Oklahoma City Thunder in five games in the Conference Finals to reach the NBA Finals for the first time since 2006. In the NBA Finals, the Mavericks faced off against the Miami Heat in a rematch of the 2006 NBA Finals, and the Heat were led by their Big Three of LeBron James, Dwyane Wade, and Chris Bosh. The Mavericks would go on to defeat the Heat in six games in the NBA Finals, w