Allan “Puro Osso” Nascimento Obituary

Updated Aug. 4, 2026 | Sources: UFC public statements

Allan “Puro Osso” Nascimento, the Brazilian UFC flyweight fighter who died on Monday, August 3, 2026, at the age of 34.

Born in Brazil, Allan Nascimento established himself as one of the country’s respected flyweight competitors through years of dedication to mixed martial arts. Known by the nickname “Puro Osso,” he competed in the UFC’s 125-pound flyweight division and built a professional record of 22 victories and 7 defeats during a career that spanned more than a decade.

According to an official statement released by the Ultimate Fighting Championship (UFC), Nascimento was found unresponsive at his home after suffering an apparent heart attack in his sleep. Emergency medical personnel responded to the scene and attempted life-saving measures, but he was pronounced dead at the residence.

The UFC expressed its condolences, describing Nascimento as a beloved member of the organization.

“This morning, Monday, August 3rd, our beloved flyweight fighter, Allan Nascimento, was found unresponsive after suffering an apparent heart attack in his sleep. Despite the efforts of the responding medical team, he was pronounced deceased at the scene. Our thoughts and deepest condolences are with Allan’s family, friends, teammates, and loved ones during this incredibly difficult time.”

Incident Details

Date: Monday, August 3, 2026

Location: Found unresponsive at his residence

Emergency Response: Responding medical personnel attempted emergency treatment before pronouncing him deceased at the scene.

Authorities and the UFC have not announced any additional details regarding the circumstances surrounding his death.

Nascimento earned recognition for his technical skill, resilience inside the cage, and professionalism outside of competition. Coaches, teammates, and fellow fighters frequently praised his work ethic and respectful character.

His final UFC appearance came on June 20, 2026, in Las Vegas, where he lost a closely contested split decision to Mitch Raposo.

Although the result did not go his way, the performance reflected the competitive spirit that had defined his career.

Former UFC lightweight champion Charles Oliveira, a longtime friend, shared an emotional tribute.

“Today I lost a brother — a guy who was truly one of a kind — and the pain is unbearable.”

Brazilian middleweight Caio Borralho remembered Nascimento for his warmth and humility.

“One of the kindest fighters that I’ve ever met. Polite, good energy and always in good spirits. He will be missed.”

UFC correspondent Evelyn Rodrigues also honored his memory, describing him as one of the kindest individuals she had encountered through the sport.

Their tributes reflect the widespread respect Nascimento earned throughout the MMA community—not only for his athletic ability but also for his character and generosity.

He is survived in the memories of family, friends, teammates, and the global MMA community that mourns his untimely passing.