 He then joined the Dallas Mavericks for the Rocky Mountain Revue where in three games, he averaged 12.0 points, 1.7 rebounds, and 6.7 assists in 25.0 minutes per game.On August 17, 2006, Barea signed a multi-year deal with the Dallas Mavericks.On November 4, 2006, he made his regular season debut for the franchise, recording two points in two and a half minutes of action during a 76–107 loss to the Houston Rockets.