 An NBA Finals rematch in name only takes place this afternoon in Las Vegas. The Boston Celtics and the Dallas Mavericks tip off from the pavilion as the NBA Summer League continues. Boston has improved its exhibition record in the Summer League to two wins and one loss. Now the New England Revolution are back on the MLS pitch 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. Bruce Morton has our Friday Sports Minute.