 An NBA Finals rematch in name only takes place this afternoon in Las Vegas. As the NBA Summer League continues, the Boston Celtics and Dallas Mavericks will tip off from the pavilion in Las Vegas. As the NBA Summer League continues, Boston has improved its exhibition record in the Summer League to two wins and one loss. The New England Revolution are back on the field tomorrow night. The club kicks off against FC Dallas at Gillette. New England has lost three straight and is last in the East with 22 points.