Initially, Mastantuono was set to join Real at the end of the calendar year, but he will now sign for the club immediately after participating in the Club World Cup.

When asked about his conversation with Alonso, Mastantuono expressed his gratitude and admiration for the way the coach spoke to him.

"I was impressed by the way he spoke to me," Mastantuono said. "His words gave me the confidence to take a big step by leaving River Plate, which is a difficult decision for any player."

Mastantuono also acknowledged that playing for Real Madrid is a dream come true, and he is excited about the new challenge that awaits him.

He described the opportunity to play for Real Madrid as a very nice challenge in his life, one that he has always aspired to.