The livewire forward is perhaps the surprise inclusion in the squad, having impressed on the wing in the friendly defeat against the Republic of Ireland in May. The 21-year-old is the youngest player in the squad.
He beat off competition from Osvaldo Martinez, who plays his club football in Mexico, to claim his place in South Africa.
He made his first international appearance in the friendly against Chile last November when only domestic-based players were selected. Paraguay coach Gerardo Martino gave Gamarra his senior debut in 2006 when he was coach of Libertad.
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