Jefferson Luís Gonçalo was a Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

ian 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...

 in the Middleweight

Middleweight

Middleweight is a division, or weight class, in boxing. Early boxing history is less than exact, but the middleweight designation seems to have begun in the 1840s. In the bare-knuckle era, the first middleweight championship fight was between Tom Chandler and Dooney Harris in 1897...

 division.

Pro career

On June 6, 2009 Gonçalo lost by ninth round K.O. in Parque Xcaret, Cancun

Cancún

Cancún is a city of international tourism development certified by the UNWTO . Located on the northeast coast of Quintana Roo in southern Mexico, more than 1,700 km from Mexico City, the Project began operations in 1974 as Integrally Planned Center, a pioneer of FONATUR Cancún is a city of...

, Quintana Roo

Quintana Roo

Quintana Roo officially Estado Libre y Soberano de Quintana Roo is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 10 municipalities and its capital city is Chetumal....

, Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 to top Welterweight Prospect, Mexican Saul Alvarez

Saul Alvarez

Santos Saúl Álvarez Barragán is an undefeated Mexican boxer in the Light Middleweight division. He is the current WBC Light Middleweight champion...

. This was the only loss in Gonçalo's career to end by K.O.

Death

On the evening of October 2, 2010, during his fight against Ismael Bueno, Gonçalo collapsed after a rupture of an artery in the neck and was quickly taken to hospital. Gonçalo was in an induced coma

Induced coma

A barbiturate-induced coma, or barb coma, is a temporary coma brought on by a controlled dose of a barbiturate drug, usually pentobarbital or thiopental...

 and underwent surgery on the morning of the next day, when part of his brain was removed. On the morning of October 5, he was declared brain dead

Brain death

Brain death is the irreversible end of all brain activity due to total necrosis of the cerebral neurons following loss of brain oxygenation. It should not be confused with a persistent vegetative state...

.

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