Manuel Mantilla is an amateur

Amateur

An amateur is generally considered a person attached to a particular pursuit, study, or science, without pay and often without formal training....

  boxer

Boxing

Boxing, also called pugilism, is a combat sport in which two people fight each other using their fists. Boxing is supervised by a referee over a series of between one to three minute intervals called rounds...

 from Cuba

Cuba

The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

, who represented his native country in the Men's Flyweight (– 51 kg) category at the 2000 Summer Olympics

2000 Summer Olympics

The Sydney 2000 Summer Olympic Games or the Millennium Games/Games of the New Millennium, officially known as the Games of the XXVII Olympiad, were an international multi-sport event which was celebrated between 15 September and 1 October 2000 in Sydney, New South Wales, Australia...

 in Sydney, Australia.

There he was stopped in the quarterfinals by Thailand's eventual gold medalist Wijan Ponlid

Wijan Ponlid

Wijan Ponlid is a Thai boxer who competed in the Men's Flyweight division at the 2000 Summer Olympics and won the gold medal...

. Mantilla won several medals in the same weight division on the continental level in the 1990s.