Born in the region of Parque Patricios, Buenos Aires, Galán youth sport was boxing.
Trying to obtain good results, he moved to Brazil, where the sport was still less developed compared to Argentine boxing.
Again at Portuguesa, López become champion of the 1952 Rio-São Paulo Tournament, and the following year, he was champion of the 1953 Campeonato Paulista with São Paulo FC, with other great Argentine players such as Gustavo Albella and Juan José Negri, who was brought to the Brazil by López.
He managed River Plate and Corinthians in sequence with discreet results, [4] until in 1962 he equaled Rosario Central's best campaign in history, with a sixth place.
This performance gave him the position of coach of the Argentine national team for the Carlos Dittborn Cup against Chile.