UFC flyweight Allan Nascimento died on Monday at the age of 34 after suffering an apparent heart attack in his sleep.
The UFC announced Nascimento's death in a post on X, saying "This morning, Monday, Aug. 3, 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.
The UFC expressed their condolences to Nascimento's family, friends, teammates, and loved ones in a statement. "Our thoughts and deepest condolences are with Allan's family, friends, teammates and loved ones during this incredibly difficult time."
Nascimento turned pro in 2011, winning nine of his 10 initial fights. He went on to compete in the UFC, making his debut in 2021.
Nascimento held a 22-7 professional record, with notable wins over Jake Hadley, Carlos Hernandez, Jafel Filho, and Cody Durden. He earned Performance of the Night honors in his wins over Hernandez and Durden.
The Brazilian fighter had a four-fight winning streak, which came to an end in his most recent fight, a split decision loss to Mitch Raposo on June 20.
Nascimento was also a one-time Dana White's Contender Series participant, where he lost to Raulian Paiva by split decision.
The UFC has lost another talented fighter, leaving fans and the combat sports community in shock and mourning.
Source: CBS