He represented his native country at the 1975 Pan American Games in Mexico City, where he lost his first fight to Ricardo Arce of Argentina.
He also competed at the 1976 Summer Olympics in Montreal, Canada, where he was eliminated in the first round by Cuba's eventual bronze medalist Luis Felipe Martínez.
After another win over Suzarra, he embarked on a tour of Mexico and southern California, having six consecutive fights in those areas from October 1977 to April 1978.
He won the regional title, as well as a top ten ranking at the Middleweight division by the WBC, by knocking Marks out in nine rounds.
He lost the title in his first defense, when he was knocked out by future world champion Leslie Stewart in four rounds, at Trinidad and Tobago on November 15 of 1986.
[1] His stint as world champion did not last long, however, and he lost the title during his first defense, 370 days after winning it, being knocked out in eleven rounds by In-Chul Baek, also in South Korea.