Allan Nascimento, a 34‑year‑old Brazilian flyweight, has died after an apparent heart attack, the UFC announced.

MMA’s leading promotion said the fighter was found unresponsive on Monday morning, and despite the efforts of the responding medical team, he was pronounced deceased at the scene.

Nascimento had been with the UFC since 2021, and his last bout was a split‑decision loss to Mitch Raposo in June, leaving him with a career record of 22 wins and seven losses, including a 4‑2 record inside the octagon.

The organization expressed its condolences, stating, “Our thoughts and deepest condolences are with Allan's family, friends, team‑mates and loved ones during this incredibly difficult time.”

The UFC highlighted his contributions, noting that he stepped into the organization in 2021 and fought six times, showcasing his skill and determination on the global stage.