Adalberto Siebens (born 20 October 1946) is a Puerto Rican

boxer Boxer most commonly refers to: * Boxer (boxing), a competitor in the sport of boxing *Boxer (dog), a breed of dog Boxer or boxers may also refer to: Animal kingdom * Boxer crab * Boxer shrimp, a small group of decapod crustaceans * Boxer snipe ee ...

. He competed in the men's light welterweight event at the

1968 Summer Olympics The 1968 Summer Olympics ( es, Juegos Olímpicos de Verano de 1968), officially known as the Games of the XIX Olympiad ( es, Juegos de la XIX Olimpiada) and commonly known as Mexico 1968 ( es, México 1968), were an international multi-sport eve ...

. At the 1968 Summer Olympics, he lost to

Habib Galhia Habib Galhia ( ar, حبيب قلحية, May 14, 1941 – December 25, 2011) was a Tunisian boxer, who won the bronze medal in the men's Light Welterweight (67 kg) category at the 1964 Summer Olympics in Tokyo, Japan. He was the firs ...

of Tunisia.

References

1946 births Living people Puerto Rican male boxers Olympic boxers of Puerto Rico Boxers at the 1968 Summer Olympics People from Guayanilla, Puerto Rico Light-welterweight boxers {{PuertoRico-boxing-bio-stub