|
Full Name |
Allan Alves do Nascimento |
|
Nickname |
Puro Osso (Just Bones) |
|
Date of Birth |
September 11, 1991 |
|
Date of Death |
August 3, 2026 |
|
Age at Death |
34 years old |
|
Nationality |
Brazilian |
|
Place of Birth |
Sao Paulo, Brazil |
|
Height |
5'8" (173 cm) |
|
Weight |
125 lbs (Flyweight) |
|
Reach |
69.5" (177 cm) |
|
Stance |
Orthodox |
|
Division |
Flyweight (125 lbs) |
|
Team/Gym |
Chute Boxe Diego Lima |
|
Pro MMA Record |
22-7-0 (Win-Loss-Draw) |
|
Wins by KO |
2 |
|
Wins by Submission |
15 |
|
Wins by Decision |
5 |
|
BJJ Rank |
Black Belt |
|
Pro Since |
2011 |
|
UFC Debut |
October 30, 2021 (UFC 267) |
|
Last Fight |
vs. Mitch Raposo (L) - June 20, 2026 |
|
Estimated Net Worth |
$500,000 to $1,000,000 |
|
Wife/Partner |
Not publicly disclosed |
|
Cause of Death |
Apparent heart attack in his sleep |
Who Was Allan Nascimento?
The MMA world woke up to devastating news on August 3, 2026. Allan Nascimento, the Brazilian flyweight who fought under the nickname "Puro Osso," was found unresponsive in his sleep after suffering an apparent heart attack. He was just 34 years old.
Allan was born on September 11, 1991 in Sao Paulo, Brazil. He grew up in a city that breathes combat sports, and that environment pulled him in early. By the time he was 15, he had walked into the Chute Boxe gym run by Diego Lima. He never left. That kind of loyalty is rare in fighting, where guys hop between gyms looking for the next edge. Allan stayed put, trusted his coach, and built something real over nearly two decades at the same camp.
The nickname "Puro Osso" came about because Allan was painfully skinny when he first started training. The name translates to "Just Bones" or "All Bones" in English. It stuck. And honestly, it became part of who he was. Even as he filled out and became a legitimate professional fighter, the name carried the story of where he came from.
Allan Nascimento's UFC Career
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Allan turned pro in 2011 and spent a full decade grinding through regional circuits in Brazil, the United States, and Japan before finally making it to the UFC. That is a long road. A lot of fighters would have given up. He did not.
He made his UFC debut on October 30, 2021 at UFC 267 against Tagir Ulanbekov. It was a split decision loss, and that kind of start could shake a fighter's confidence. But Allan bounced back. He picked up wins over Jake Hadley and Carlos Hernandez, showing that he belonged at the highest level of the sport.
His ground game was special. Allan held a black belt in Brazilian Jiu-Jitsu and had 15 career submission victories using just about every technique you can think of. Rear naked chokes, heel hooks, triangles, armbars, an anaconda choke. He was dangerous everywhere on the mat.
One of the highlights of his UFC run came on November 1, 2025 when he submitted Cody Durden with an anaconda choke in the second round. That finish earned him a $50,000 Performance of the Night bonus and showed everyone what he was capable of when everything clicked.
Allan Nascimento's Record
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Allan finished his professional career with a record of 22 wins, 7 losses, and 0 draws. The breakdown of his 22 victories tells you everything about his fighting identity: 15 submissions, 2 knockouts, and 5 decisions. A massive 77% of his wins came before the final bell, which means he was always hunting for a finish.
Inside the UFC specifically, his record stood at 4 wins and 3 losses. His last fight was a split decision loss to Mitch Raposo at UFC Vegas 119 on June 20, 2026. He had been on a four fight winning streak heading into that bout, and even though the loss stung, his roster spot was secure.
Allan Nascimento's Net Worth
Icon Polls estimates that Allan Nascimento's net worth at the time of his passing was between $500,000 and $1,000,000. This figure accounts for his UFC fight purses, performance bonuses (including the $50,000 bonus he earned for his Durden finish), endorsement deals, and income from coaching and personal training activities tied to his work at Chute Boxe.
His disclosed career earnings from Tapology showed around $100,000 in fight purses alone, but that number does not include undisclosed bonuses, sponsorship income, or money earned outside of the UFC. Like many fighters at the flyweight level, Allan worked hard both inside and outside the octagon to build financial stability.
Allan Nascimento's Nationality
Allan Nascimento was Brazilian through and through. He was born and raised in Sao Paulo and never relocated to another country for his training. While many Brazilian fighters move to the United States to train at American gyms, Allan stayed loyal to his roots and his team at Chute Boxe Diego Lima. He trained alongside fighters like former UFC lightweight champion Charles Oliveira, heavyweight Marco Tulio, and Norma Dumont.
Allan Nascimento's Wife and Personal Life
Allan was a very private person when it came to his life outside of fighting. He did not share details about his romantic relationships in interviews or on social media. There is no confirmed public information about whether he had a wife or partner. What we do know is that he often spoke about his faith, saying that big moments were "in God's hands," and he credited patience as something he learned through the many setbacks and delays in his career.
Allan Nascimento's Death and Cause of Death
On the morning of August 3, 2026, the UFC released a statement confirming the heartbreaking news that Allan Nascimento had passed away. According to the official announcement, he 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.
The news sent shockwaves through the MMA community. Allan had just fought six weeks earlier at UFC Vegas 119, and there was no public indication that he was dealing with any health issues. He was only 34 years old. Icon Polls extends its deepest condolences to his family, friends, teammates, and everyone whose life he touched.
Allan Nascimento's Next Fight
Sadly, there will be no next fight for Allan Nascimento. At the time of his passing on August 3, 2026, no future bout had been officially announced following his split decision loss to Mitch Raposo at UFC Vegas 119 in June 2026. He had previously expressed interest in fighting a top 15 ranked opponent and was looking to build on the momentum of his four fight winning streak that preceded the Raposo loss.
Allan Nascimento's Legacy
Allan Nascimento may not have been a champion or a household name outside of MMA circles, but the people who followed the sport closely knew what he brought to the table. A decade of grinding on the regional scene before making it to the biggest stage. Nearly 20 years at the same gym. Fifteen submission wins that showed a level of technical mastery on the ground that few could match. He was the kind of fighter who made the sport better just by being in it.
At Icon Polls, we believe his story is one worth remembering. Not every fighter gets the spotlight they deserve, but Allan's dedication to his craft, his loyalty to his team, and his quiet consistency speak louder than any highlight reel.
Frequently Asked Questions About Allan Nascimento
1. Who is Allan Nascimento?
Allan Nascimento, also known by his nickname "Puro Osso" (which means "Just Bones" in Portuguese), was a Brazilian professional mixed martial artist who competed in the UFC flyweight division. He was born in Sao Paulo, Brazil on September 11, 1991 and trained out of the famous Chute Boxe Diego Lima gym alongside fighters like Charles Oliveira.
2. What does "Puro Osso" mean?
"Puro Osso" roughly translates to "Just Bones" or "All Bones" in English. Allan picked up this nickname when he first showed up to the gym as a teenager because he was extremely skinny. The name stuck with him throughout his entire professional career.
3. What was Allan Nascimento's MMA record?
Allan Nascimento finished his career with a professional MMA record of 22 wins, 7 losses, and 0 draws (22-7-0). Out of his 22 victories, 15 came by submission, 2 by knockout, and 5 by decision. His submission game was the backbone of his fighting style.
4. What was Allan Nascimento's net worth?
Based on Icon Polls estimates, Allan Nascimento's net worth at the time of his passing was believed to be somewhere between $500,000 and $1,000,000. This figure takes into account his UFC fight purses, performance bonuses, sponsorship deals, and other income streams he had built over his career.
5. How old was Allan Nascimento when he died?
Allan Nascimento was 34 years old at the time of his death on August 3, 2026. He was born on September 11, 1991 in Sao Paulo, Brazil.
6. What was Allan Nascimento's cause of death?
According to the UFC's official statement released on August 3, 2026, 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.
7. Did Allan Nascimento die?
Yes. Allan Nascimento passed away on August 3, 2026. The UFC confirmed the tragic news through their official channels, stating that he suffered an apparent heart attack in his sleep.
8. What was Allan Nascimento's nationality?
Allan Nascimento was Brazilian. He was born and raised in Sao Paulo, Brazil and continued to live and train there throughout his career. He represented Brazil proudly every time he stepped into the octagon.
9. What gym did Allan Nascimento train at?
Allan Nascimento trained at Chute Boxe Diego Lima, one of the most respected MMA gyms in Brazil. He joined the gym when he was around 15 years old and stayed loyal to the same camp for nearly two decades. He trained alongside notable fighters like former UFC lightweight champion Charles Oliveira and Norma Dumont.
10. Was Allan Nascimento married?
Allan Nascimento kept his personal life very private. There is no publicly confirmed information about whether he was married or had a wife. He rarely shared details about his relationships in interviews and chose to keep the focus on his fighting career.
11. When did Allan Nascimento make his UFC debut?
Allan Nascimento made his UFC debut on October 30, 2021 at UFC 267. He fought Tagir Ulanbekov in his first octagon appearance and lost by split decision. Despite the debut loss, he went on to put together an impressive run inside the promotion.
12. What was Allan Nascimento's last fight?
Allan Nascimento's last fight was against Mitch Raposo at UFC Vegas 119 on June 20, 2026. He lost the bout by split decision (28-29, 29-28, 28-29). The fight was originally scheduled for UFC Winnipeg in April 2026 but was postponed after Raposo fell ill.
13. What was Allan Nascimento's fighting style?
Allan Nascimento was primarily a grappler with a black belt in Brazilian Jiu-Jitsu. His ground game was the foundation of everything he did. He had 15 career submission victories using a variety of techniques including rear naked chokes, heel hooks, triangles, armbars, and an anaconda choke. He also had solid striking ability, with his orthodox stance and Muay Thai training.
14. How tall was Allan Nascimento?
Allan Nascimento stood at 5 feet 8 inches (173 cm) tall with a reach of 69.5 inches (177 cm). For a flyweight fighter, he had a relatively long frame which he used to his advantage in grappling exchanges.
15. Did Allan Nascimento train with Charles Oliveira?
Yes. Allan Nascimento trained at Chute Boxe Diego Lima, the same gym as former UFC lightweight champion Charles "do Bronx" Oliveira. In interviews, Nascimento described himself as a training partner of Oliveira and spoke about how the environment at Chute Boxe pushed him to improve.
16. How many submissions did Allan Nascimento have in his career?
Allan Nascimento had 15 submission victories throughout his professional MMA career. His submission wins came through various techniques including 5 rear naked chokes, 2 armbars, 2 heel hooks, 2 triangles, a brabo choke, an arm triangle, a kneebar, and an anaconda choke.
17. What division did Allan Nascimento fight in?
Allan Nascimento competed in the flyweight division, which has a weight limit of 125 pounds (56.7 kg). He spent his entire UFC career in this weight class.
18. When did Allan Nascimento turn professional?
Allan Nascimento turned professional in 2011. He spent about a decade competing on the regional circuit in Brazil and internationally, including fights in Japan and the United States, before finally earning his spot in the UFC in 2021.
19. What was Allan Nascimento's UFC record?
Inside the UFC, Allan Nascimento compiled a record of 4 wins and 3 losses. His UFC wins came against Jake Hadley (decision), Carlos Hernandez (submission), Jafel Filho (decision), and Cody Durden (submission). His losses were to Tagir Ulanbekov (decision), David Dvorak (submission), and Mitch Raposo (decision).
20. Did Allan Nascimento ever win a Performance of the Night bonus?
Yes. Allan Nascimento earned a $50,000 Performance of the Night bonus for his submission victory over Cody Durden at UFC Fight Night on November 1, 2025. He finished Durden with an anaconda choke in the second round after rocking him with a right hand.
21. What was Allan Nascimento's BJJ rank?
Allan Nascimento held a black belt in Brazilian Jiu-Jitsu. His ground game and submission skills were the strongest part of his fighting arsenal, which was reflected in his 15 career submission wins.
22. Where was Allan Nascimento from?
Allan Nascimento was from Sao Paulo, Brazil. He was born and raised there and continued to base his career and training in the city throughout his life. Sao Paulo's rich combat sports culture played a big role in shaping his MMA journey.