Do Man City hold an ace in the chase for a River Plate sensation?

We have seen Man City sign players from Argentinian giant River Plate in recent times. Julian Alvarez and Claudio Echeverri have both been snapped up by City from River. Crucial to both deals was the choice of City to loan both players to River Plate before making their moves to the Etihad. Now it seems that another race to sign a River sensation is brewing. The player in demand is…