UFC Flyweight Allan Nascimento Passes Away at 34Tragic news: UFC flyweight Allan Nascimento has died at the age of 34. The MMA community mourns the loss. No further details yet.Sources (2)UFC's Nascimento, 34, dies after apparent heart attackbbc.com@MMAFighting: #UFC flyweight Allan Nascimento has passed away at the age of 34 š š° https://t.co/q8RWDk5ain https:...x.comUpdated Aug 4, 2026