Claressa Shields

A behind-the-scenes look at Shields’ quest to become the greatest two-sport athlete of all time, simultaneously maintaining her dominance in boxing while making her debut in mixed martial arts. A two-time boxing Olympic Gold Medalist and the first professional boxer – male or female – to win undisputed world titles in two separate weight divisions in the four-belt era, Shields has now set her sights on an MMA championship as part of her ambitious goal to be recognized as the undisputed, greatest woman in combat sports.