Chelsea could sign another South American this summer. Last summer, Chelsea brought Ecuadorian midfielder Moises Caicedo in from Brighton & Hove Albion. Before his arrival, they signed Argentina star Enzo Fernandez, and it now looks like they could make a move for one of his compatriots. Fernandez would have good things to say about England, recently sharing his love for the Premier League. The 23-year-old has been a key player for Chelsea this season, making 38 appearances in all competitions. Chelsea have scouted £60m midfielderFollowing the arrivals of Fernandez, Caicedo and Romeo Lavia, Ch…