With Argentina he was 1978 World Champion, scoring four goals in the tournament, including a spectacular long distance volley against France during the first round. During that tournament, a brother died in a traffic accident on the day that Argentina played Italy. He also seriously injured his left elbow in the match against France, the second game of that championship, forcing him to miss two matches. He was back for the last three matches of the tournament, including the final against Holland. Today, Luque is sports secretary of Mendoza Province. In February 2007 he suffered a heart attack from which he is recovering.