Although the 1916 South American Championship was personally the most successful one for Isabelino Gradin, the 1919 championship holds greater importance in other aspects.

On July 2, 1916, Isabelino Gradín, descendants of slaves from Lesotho, and Juan Delgado became the first black footballers to play for a national team at an international tournament in the world’s ...

The other two goals came from the foot of a teenager by the name of Isabelino Gradín. Alongside teammate Juan Delgado, Gradín became the first black player to take part in an official international ...

One of Uruguay's outstanding players in 1919 was Isabelino Gradin -- who had also been the top scorer of the first Copa in 1916. Gradin was of humble birth, and he was black.

La Celeste took the pitch at the first-ever Copa America with Isabelino Gradin and Juan Delgado, both of whom were great-grandsons of slaves.

One of them, Isabelino Gradin, was top scorer in the first Copa America in 1916.