Mateo del Blanco, a 22-year-old Argentinian-Spanish left-back for Union Santa Fe, attracted interest from River Plate and Boca Juniors, but neither club signed him this winter. Del Blanco joined his current club in July 2023 and has a contract that runs until the end of 2028. According to Transfermarkt, his current market value is €4.50m. In the 2025/2026 Torneo Apertura, he has made 10 appearances, scoring 2 goals and providing 1 assist.