Raga was a part of the senior national team of Mexico. He won a gold medal at the 1965 CentroBasket, and a silver medal at the 1967 Pan American Games. He also played with Mexico in three different Summer Olympic Games, at the 1964 Summer Olympics, the 1968 Summer Olympics, and the 1976 Summer Olympics. He also played in 3 different FIBA World Cups, at Brazil 1963, at Uruguay 1967, and at Puerto Rico 1974.