The average income for MMA fighters can vary widely depending on their level of experience, popularity, and success in the sport. Generally, professional MMA fighters earn income from several sources, including fight purses, bonuses, sponsorships, and endorsements. Fighters at the entry level or those competing in smaller promotions may earn modest purses, often supplemented by sponsorships from companies related to sports nutrition, apparel, or equipment. More established fighters who compete in well-known promotions like the UFC (Ultimate Fighting Championship) or Bellator MMA can earn significantly higher incomes through larger fight purses, performance bonuses, and lucrative sponsorship deals. Top-tier fighters who consistently win matches and gain popularity can potentially earn millions annually. However, it's important to note that many MMA fighters also face financial challenges due to the unpredictable nature of the sport and the short career spans of athletes in combat sports.