Argentine centre-forward Rodrigo Castillo, who previously spent two years in River Plate's youth system before leaving as a free agent in January 2020, stated on the ESPN program F10 that a return to the club is possible. However, the 26-year-old also affirmed that he is calm and feels very comfortable and happy at his current club, Lanús, explaining that they trusted in him and he tries to repay them on the field. Castillo joined Lanús in July 2025 on a contract that expires in December 2028, and in four appearances in the 2025/2026 Torneo Apertura, he has scored one goal and provided three assists. He has recently been linked with Eintracht Frankfurt and Fluminense. His current Transfermarkt market value is €4.00m, following his July 2025 transfer for a fee of €1.7M.