According to Futbolred, Millonarios has announced the signing of Sebastián Valencia as a new full-back. Sebastián Valencia passed the medical exams, completed the necessary paperwork, and signed a three-year contract.

According to Julián Capera, Millonarios has identified left-back Sebastián Valencia as a target. The player's sporting rights belong to Leones, but he is currently on loan with Fortaleza until June 30, 2026. At present, no formal offer has been submitted to Leones. The club is looking to strengthen the left-back position and has also made preliminary inquiries about Junior Hernández and Frank Fabra.