Mixed martial artists are athletes who compete in a sport that combines various fighting styles, including boxing, wrestling, Brazilian jiu-jitsu, and Muay Thai. They train in multiple disciplines to develop skills in striking, grappling, and submissions, allowing them to adapt to different opponents and situations in the ring or cage. Competitions are held in regulated environments, such as the UFC (Ultimate Fighting Championship), where fighters face off in rounds. Mixed martial artists must maintain physical fitness, mental toughness, and strategic thinking to succeed, as matches can be unpredictable and require quick decision-making.