Harlen Castillo has reached an agreement to become a new player for Gimnasia y Esgrima de La Plata, with whom he will sign a contract for the next 18 months. According to Argentine media, Castillo will travel to La Plata in the coming hours to undergo medical examinations and then sign his contract. The La Plata press reported that Gimnasia accelerated negotiations and reached an agreement with Castillo, who will arrive as a free agent, a condition that facilitated the operation.

Harlen Castillo, a 32-year-old Colombian goalkeeper also known as 'Chipi Chipi', is joining Gimnasia (LP) as a free agent from Atlético Nacional and will sign a contract that runs until December 2027. During the 2025/2026 season, he made 9 appearances in Liga DIMAYOR I and 3 in Fase Final LBD I. According to Transfermarkt, his current market value is €350k.