Silverio played mainly for
Real Sociedad, except for one season at Real Club Deportivo de Oviedo (the predecessor of the current
Real Oviedo). With the
San Sebastián team, he won two regional championships. He played 12 official matches and scored 2 goals. He played for the
Spain national football team. His only international match took place in Antwerp on September 2, 1920, during Spain's 2–0 victory over Italy in the
Football at the 1920 Summer Olympics. During this match, Silverio, who replaced starting forward Patricio Arabolaza, was forced to replace goalkeeper
Ricardo Zamora during the last quarter of an hour of the game, as Zamora had been sent off and substitutions were not allowed at that time . While playing as goalkeeper, Silverio does not concede any goals. The victory over Italy allowed the Spanish team to play in the
Bronze medal playoff, which they won, earning a silver medal after Czechoslovakia withdrew from the final. Silverio died in November 1935. ==Notes==