By Luis Ampuero BUENOS AIRES, Aug 22 (Reuters) - Argentina's injured captain Lionel Messi has been named in a squad missing the suspended Javier Mascherano and Gonzalo Higuain for next month's World Cup qualifier against South America's bottom side Paraguay. Messi, who suffered a hamstring injury during Barcelona's 1-1 draw at Atletico Madrid in the first leg of the Spanish Super Cup on Wednesday, is expected to be fit by the time group leaders Argentina visit Asuncion for the match on Sept. 10. ... More...