Gamboa's career ran from 1955 to 1974 in which time he played for Atlético Nacional, Millonarios, Independiente Santa Fe, Once Caldas, and Deportes Tolima, "Maravilla" translates directly to "wonder".
Born in Buenaventura (Valle del Cauca), Colombia, Delio Gamboa signed with Atlético Nacional in 1958, after getting noticed playing in a "aficionado" national league.
Delio had been given his nickname "Maravilla" when still an amateur, as number 10 (inside-left was the position called then) on the Valle del Cauca selección, which outclassed all other State teams and garnered the Colombian championship, stunning the spectators with his play which people thought nothing short of miraculous and Gamboa "a wonder" in the flesh.
Though they had no title to show Millonarios led by Gamboa represented Colombia in the Copa Libertadores for four straight years and were thus nicknamed "Los Embajadores".
[2] After the titles, "wonderful play" and the rash of injuries he spent the 1968–1970 seasons at Once Caldas and then transferred to Deportes Tolima for the 1971 and 1972 campaigns.