Sergio Mestre is a 20-year-old Spanish goalkeeper, born on February 13, 2005, who stands at an imposing 193 cm and weighs 88 kg, currently playing for Real Madrid Castilla. With a market value of €50,000, Mestre is a classic modern goalkeeper prospect: tall, commanding, and technically proficient with his feet. Developing within the prestigious Real Madrid academy provides him with world-class training and a clear pathway, albeit a highly competitive one. His role with Castilla is crucial for gaining experience in competitive senior matches in Spain's third tier. As a goalkeeper, his development may take more time, but his physical attributes and education at one of the world's best clubs mark him as a player with significant long-term potential.