Barça manager Xavi made Lamine Yamal’s debut on April 29, 2023, when he was only 15 years, 9 months, and 16 days old. He was the youngest player to ever make his appearance for the club, and it was in a 4-0 win over Real Betis. https://www.actiongamesnow.com/lamine-yamal-barcelonas-rising-star-2025/