Manchester United winger Alejandro Garnacho is gearing up for his first Copa America tournament with Argentina. Alejandro Garnacho is one of two Manchester United players in the Argentina squad this summer, along with experienced centre-back Lisandro Martinez. Martinez is on record explaining he is ‘very proud’ of what the defender has achieved already in his career, recently leading Manchester United to win the FA Cup Final. Garnacho’s Argentina teammates do not know him so well. He has made only five international appearances to date, which have combined for just 170 minutes of playing time….