Real Madrid signed talented striker Franco Mastantuono on a six-year contract on Thursday.
The former River Plate player, who celebrated his 18th birthday on Thursday, underwent a medical and signed a six-year contract with the Madrid club.
"I promise I will give everything I have for this shirt," Mastantuono said. "It has always been my dream to play for the biggest club in the world."
Madrid had reached an agreement to transfer the Argentine, but had to wait until he turned 18. Madrid reportedly paid 45 million euros for his transfer.
Earlier, Madrid was strengthened with several other players.
The Madrid team will make their first appearance in La Liga in the 2025/2026 season under coach Xabi Alonso, who replaced Carlo Ancelotti.
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The rally comes after a disappointing season, after losing the title to Barcelona and failing to appear in the finals of the Champions League and the Club World Cup.
Real Madrid will play their first match of the 2025/2026 season on Tuesday at home against Osasuna.