Career
Later, he became a Mexican soccer legend withClub Deportivo Cruz Azul, and is considered the biggest idol of this team Marín began his career with Vélez Sarsfield. He joined Cruz Azul in 1971, making his league debut at Guadalajara on 26 December 1971.
Marín was selected in the Argentina national football team squad for the 1964 Summer Olympics in Tokyo, but did not appear in any matches.
He also made two appearances for the senior side. After retiring from playing, Marín became a football coach.
He was appointed manager of Cruz Azul during the 1982-1983 season. Later, he managed Deportivo Neza.
He was initially referred to by the nickname "El Gato" (the cat).
However, due to his spectacular saves, the label of "El Superman" was applied by the famed commentator and broadcaster Rugama Angel Fernandez. Marin"s brilliant career would place him in a unique position in football statistics, with a minimum number of goals allowed, making him the most effective goal keeper in the history of Mexican soccer. He was working as coach of the University of Querétaro, when he suffered a massive heart attack: on 30 December 1991 he was admitted to the Hospital of Santa Cruz de Querétaro.
The news spread like wildfire, a sharp blow to Mexican soccer: "Superman" had died.
Marin became a legend who has endured over time, and is a giant in the history of Cruz Azul and Mexican soccer. His remains rest in the Louisiana Chacarita Cemetery in his native Argentina.