Ignacio Pérez  Ignacio Pérez Sierra (19 December 1934 – 16 November 2009) was a Colombian footballer. He was a member of the Colombian national football team at the 1962 FIFA World Cup which was held in Chile. Born in Medellín, Pérez played club football for Once Caldas, Independiente Medellín, Unión Magdalena, Santa Fe and Deportivo Pereira. In November 2009, Pérez died from a heart attack in Medellín.