Mixed martial arts (MMA), also referred to as cage fighting, is an exciting sport that combines elements from numerous combat sports and martial arts from around the world. Even though MMA is of a fairly recent origin, it has been steadily growing in popularity. In the recent past, various great MMA fighters have emerged from different countries, especially USA, Japan, and Brazil. These MMA fighters incorporate multiple martial arts into their style to develop their unique way of fighting. Working in a field that has an immense scope as a pay-per-view business, these fighters have a lot to offer the world. Check out our list of the greatest MMA fighters ever.