The South American youngster, who joined the Reds from Cerro Porteno earlier this year, is away with national team, preparing for upcoming matches against USA and Mexico.
Paraguay are looking forward to competing at next summer's World Cup finals and Leon is clearly proud of his roots.
The 18-year-old has been in good form for our Under-21s and is aiming to build on his senior international debut, which came last month against South Korea.
"For Paraguay, to have a player playing here at United is huge," Leon admitted to club media. "I think for Paraguayans they’re very proud to have someone from there playing in a club as big as Manchester United.