According to 'As', Rayo Vallecano is one of the clubs interested in signing Óscar Nassei Opong. Real Madrid has surpassed Rayo Vallecano and other interested clubs in the current transfer window.

Rayo Vallecano is considering signing 21-year-old Ghanaian centre-back Óscar Naasei from Granada. The proposed transfer would be a direct one. Granada's asking price is approximately 3 million euros. Naasei, who joined Granada in July 2025, has a contract until 2027 and has one cap for Ghana. His current market value is €1.50m, according to Transfermarkt.