Spain wonderkid Lamine Yamal has made a unique promise ahead of the 2026 FIFA World Cup. The Barcelona star revealed that he will grow a full beard and moustache for three weeks if Spain wins the tournament. He also pledged to give away 100 Beats headphones to fans as part of a celebratory raffle. The announcement quickly gained attention online because Yamal is still only 18 years old and is known for his youthful appearance. His confidence reflects Spain’s belief that they can challenge for football’s biggest prize this summer.Yamal enters the World Cup as one of the most exciting players in world football. Despite his young age, he has already achieved milestones that many players never reach in their careers. His performances for Barcelona and Spain have earned widespread praise. However, questions remain over his fitness after a recent hamstring injury.Lamine Yamal’s FIFA World Cup dream faces fitness testLamine Yamal has enjoyed a remarkable rise over the past two years. During the 2024-25 season, he featured in 55 matches for Barcelona. He scored 18 goals and delivered 25 assists across all competitions. Those numbers highlight his growing importance for both club and country.His international breakthrough came at Euro 2024. At just 16 years old, Yamal impressed with his maturity and skill. He became the youngest player to score in European Championship history. He also set records as the youngest footballer to appear in a European Championship or World Cup final and the youngest player to win a major international trophy.His achievements continued off the pitch. Yamal won the Kopa Trophy in consecutive years, recognizing him as the world’s best young footballer. His Spain teammate Mikel Merino recently praised his impact, saying Yamal is currently among the strongest players in world football. Merino added that Spain’s success depends on the entire squad working together, with Yamal being an important part of that collective effort.Spain’s biggest concern remains his fitness. The winger has been sidelined with a hamstring problem suffered shortly before the tournament. There had been optimism that he could return before the World Cup. The coaching staff were determined not to rush his recovery. Now, Spain's head coach Luis de la Fuente has recently confirmed that Yamal will be available for the opening match against Cape Verde on 16 June.