The Brazilian flyweight was found unresponsive at home on Monday, just six weeks after his last fight in Las Vegas
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Summary
Allan Nascimento, a Brazilian flyweight fighter for the UFC, has died at the age of 34. The UFC confirmed on Monday, August 3, that Nascimento was found unresponsive at his home after suffering an apparent heart attack in his sleep. Despite medical efforts, he was pronounced dead. Authorities have not released further details, pending an autopsy to determine the exact cause of death.
Nascimento, nicknamed 'Puro Osso', had a professional record of 22 wins and 7 losses, competing in promotions such as RIZIN, Legacy FC, and Dana White's Contender Series. His last fight was on June 20 in Las Vegas, where he lost to Mitch Raposo. The UFC expressed condolences, remembering him as a beloved fighter.
Cross-referenced from 6 sources across 5 countries and 2 languages.
Factual coreconfirmed by several independent voices
UFC star Allan Nascimento has died at the age of 34 after suffering an 'apparent heart attack' It comes just six weeks after the Brazilian (left) lost last fight in Las Vegas on June 20 Nascimento finished his career with a 22-7 professional record, winning four of six UFC fights A flyweight, the 'Puro Osso' competed in multiple promotions during his career, including RIZIN, Legacy FC and Dana White's Contender Series.
reliability moderate2/4 sourcesHe dies at 34 years old Allan Nascimento, a fighter at the UFC. August 03, 2026 at 19: 33 GMT-6 The Brazilian UFC fighter, Allan Nascimento, died on Monday, August 3, 2026 at the age of 34.
reliability moderate3/3 sourcesThis morning, Monday, August 3, our beloved flyweight fighter Allan Nascimento was found unconscious after suffering an apparent heart attack while sleeping.
reliability moderate2/2 sourcesSo far, authorities have not provided further details of what happened, pending the legally required autopsy.
reliability moderate2/2 sources
Reported detailssecondary facts, each attributed to its source
In it, he fell to Mitch Raposo at the event held in Las Vegas on June 20.
according to RPPHis professional career spanned 29 fights, with a record of 22 wins and 7 losses.
according to Infobae — Últimas noticiasThrough a statement, the sports entity indicated that the 34-year-old fighter was found unconscious and that, despite medical efforts, his death was confirmed.
according to RPPAccording to the UFC itself, the fighter, just 34 years old, suffered a suspected heart attack while sleeping at his home.
according to SDPnoticiasThe analysis is expected to help determine whether Allan Nascimento had any heart condition, or otherwise what led to his heart attack.
according to SDPnoticiasThe organization confirmed this Monday, August 3, that the flyweight division fighter was found dead at his home after suffering an apparent heart attack while sleeping.
according to Infobae — Últimas noticiasUFC fighter, 34, found dead after 'apparent heart attack' in his sleep.
according to Daily Mail +1A UFC statement read: 'This morning, Monday, August 3rd, our beloved flyweight fighter, Allan Nascimento, was found unresponsive after suffering an apparent heart attack in his sleep.
according to Daily Mail +1
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Allan Nascimento, UFC fighter, dies at 34. August 03, 2026 at 19:33 GMT-6 Brazilian UFC fighter Allan...
omitted byRight sidecovered byCenterThis morning, Monday, August 3, our beloved flyweight fighter Allan Nascimento was found unconscious after suffering an apparent...
omitted byRight sidecovered byCenterSo far, authorities have not provided further details of what happened, pending the legally required autopsy.
omitted byRight sidecovered byCenter
