UFC fighter Allan “Puro Osso” Nascimento—an expert in Muay Thai and Brazilian jiu-jitsu—suffered an apparent heart attack in his sleep and died at age 34, the organization announced Aug. 3.
UFC fighter Allan “Puro Osso” Nascimento—an expert in Muay Thai and Brazilian jiu-jitsu—suffered an apparent heart attack in his sleep and died at age 34, the organization announced Aug. 3.