Manchester United are eyeing two young Paraguayan talents.
Cerro Porteno fullback Ivan Piris, 22, and Newell's Old Boys midfielder Marcelo Alejandro Estigarribia, 23, are being tracked by United.
Piris is also interesting Boca Juniors.
Both players are Paraguay internationals and Estigarribia has previous European experience at Le Mans.
Local media sources say United have been watching both players this year.