Santiago Mouriño is a Uruguayan defender who plays for Atlético Madrid B, the reserve team of the Spanish club. Born on August 6, 2001, in Montevideo, Mouriño began his career with River Plate Montevideo before moving to Europe. A strong and physical center-back, he is known for his aerial ability and tackling. Mouriño has represented Uruguay at various youth levels and is considered a promising talent with the potential to break into the senior national team. His development at Atlético Madrid B is closely watched by scouts and fans alike.