Future Real Madrid player Franco Mastantuono had moments of brilliance in River Plate's first Club World Cup match.

Real Madrid have completed the signing of Franco Mastantuono from River Plate. The 17-year-old will sign a six-year deal at the Spanish champions, joining the club officially on August 14, before River Plate’s Copa Libertadores last-16 tie against Libertad.

Seattle soccer fans will have a chance to watch 17-year-old star Franco Mastantuono when River Plate faces the Urawa Red Diamonds on Tuesday at Lumen Field.