O'Higgins has acquired 22-year-old Argentine-Chilean centre-back Tomás Avilés from Inter Miami on a six-month loan, and the deal does not include an option to buy. His contract with the MLS club expires on December 31, 2026. The defender has been capped four times by Argentina at the U20 level and made 4 appearances in Major League Soccer during the 2025/2026 season. According to Transfermarkt, his current market value is estimated at €2.50m.