 In 1952, Dellacha joined Racing Club where he went on to make 184 appearances and help the club to win the 1958 league championship.In 1953, he appeared in the film "El hijo del crack".Dellacha played 35 times for the Argentina national team between 1953 and 1958. he played in three editions of the Copa América winning the tournament twice in 1955 and 1957.