Alfredo Duvergel is a 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...

n 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...

. He won the silver medal in the men's light middleweight (– 71 kg) category at the 1996 Summer Olympics

1996 Summer Olympics

The 1996 Summer Olympics of Atlanta, officially known as the Games of the XXVI Olympiad and unofficially known as the Centennial Olympics, was an international multi-sport event which was celebrated in 1996 in Atlanta, Georgia, United States....

 in Atlanta.

Career

He lost the World championship finals against Romanian Francisc Vastag

Francisc Vastag

Francisc Vaştag was the first Romanian boxer to win the supreme belt in his category. His victory greatly stimulated boxing in Romania. The champion boxer Adrian Diaconu said that he considers Vaştag to be a brother and mentor.-References:**...

 and had to settle for silver medals in 1995

1995 World Amateur Boxing Championships

thumb|German stamp from 1995The Men's 1995 World Amateur Boxing Championships were held in the Deutschlandhalle in Berlin, Germany from May 4 to May 15. The eighth edition of this competition, held a year before the Summer Olympics in Atlanta, Georgia, was organised by the world governing body for...

 and 1993

1993 World Amateur Boxing Championships

The Men's 1993 World Amateur Boxing Championships were held in Tampere, Finland from May 7 to 16. The seventh edition of this competition, held nearly a year after the Summer Olympics in Barcelona, Spain, was organised by the Tampere Boxing Association, member of the Finnish Boxing Association...

.

At the Pan American Games

Boxing at the 1995 Pan American Games

The Men's Boxing Tournament at the 1995 Pan American Games was held in Mar del Plata, Argentina from March 11 to March 27. It served as a qualification tournament for the 1996 Summer Olympics in Atlanta, Georgia...

 in Mar del Plata

Mar del Plata

Mar del Plata is an Argentine city located on the coast of the Atlantic Ocean, south of Buenos Aires. Mar del Plata is the second largest city of Buenos Aires Province. The name "Mar del Plata" had apparently the sense of "sea of the Río de la Plata region" or "adjoining sea to the Río de la Plata"...

, he captured the gold medal in his division.

1996 Summer Olympics

• Defeated Jozef Gilewski (Poland) 10-2
• Defeated Serhiy Horodnichov
  Serhiy Horodnichov
  Serhiy Horodnichov is a retired male boxer from Ukraine. He represented his native country at the 1996 Summer Olympics in Atlanta, Georgia, where he was stopped in the first round of the men's light-middleweight division by Cuba's eventual silver medalist Alfredo Duvergel.-References:*...
  
   (Ukraine) 15-2
• Defeated Antonio Perugino (Italy) 15-8
• Defeated Yermakhan Ibraimov
  Yermakhan Ibraimov
  Yermakhan Ibraimov is a Kazakh boxer who competed in the Light Middleweight at the 2000 Summer Olympics and won the gold medal. Four years earlier, at the 1996 Summer Olympics in Atlanta, he captured the bronze medal...
  
   (Kazakhstan) 28-19
• Lost to David Reid
  David Reid
  David Reid is the name of:*David Reid , British musician and founding member of The Contrast*David Reid , chairman of Tesco*Lance , whose alter-ego is named David Reid- Sport :...
  
   (United States) KO by 3 (0:36)

He finally won the World Amateur Boxing Championships

World Amateur Boxing Championships

The World Amateur Boxing Championships is a biennial amateur boxing competition organised by the International Boxing Association , which is the sport governing body. Alongside the Olympic boxing programme, it is the highest level of competition for the sport...

 in 1997

1997 World Amateur Boxing Championships

The Men's 1997 World Amateur Boxing Championships were held in Budapest, Hungary from October 18 to October 26. The ninth edition of this competition, a year after the Summer Olympics in Atlanta, Georgia, was organised by the world governing body for amateur boxing AIBA...

, after Vastag had ended his career.