According to César Luis Merlo, River has made a formal offer for Federico Fattori, a 33-year-old Argentinian defensive midfielder. It has been confirmed that the formal offer submitted by River is for $2.5 million. Argentinos Juniors is evaluating the bid, and a response is expected. Fattori joined Argentinos Juniors on 06/01/2025 and his contract is valid until 31/12/2027. During the 2025/2026 season, he has made 16 appearances in the Torneo Apertura and 3 in the Playoff Torneo Apertura. His current market value is listed by Transfermarkt as €600k.