Antonio Castillo is a 26-year-old Chilean defender, born on November 15, 1998, who currently plays for Cobresal in the Chilean Primera División and holds a market value of €300,000. Operating primarily as a left-back (DL), Castillo is known for his pace, overlapping runs, and solid defensive contributions. His career with Cobresal has seen him become an important fixture in their back line, contributing to their campaigns in both domestic league and Copa Libertadores competitions. Weighing 80 kg and standing 185 cm tall, he has the physicality to compete at a high level. Castillo's value and profile mark him as one of the promising full-backs in Chilean football, with the potential for future moves to more prominent leagues.