Juan Antonio Ros Martínez is a Spanish central defender whose career has taken an interesting turn to South Korea with Football Club Seoul. Born on March 15, 1996, the 29-year-old defender combines typical Spanish technical quality with a commanding 188 cm frame. Ros Martínez developed in the youth system of a Spanish club, learning the fundamentals of possession-based defending before seeking a new challenge abroad. His move to FC Seoul has allowed him to become a key figure in their backline, bringing composure and aerial dominance to the K League. With a significant market value of €850,000, he is regarded as a high-caliber import. His defensive highlights include organizing the defense, crucial last-ditch tackles, and contributing to a more stable defensive record for his team. Adapting to a new football culture has showcased his professionalism and quality. Ros Martínez is a modern defender: comfortable on the ball, strong in the challenge, and a leader by example. His presence has been instrumental for FC Seoul as they aim for domestic success.