By John Morgan, MMA Underground The MMA legend faces the Australian challenger in Saturday’s main event. View the original article to see embedded media. Bellator women’s featherweight champion Cris Cyborg is unquestionably one of the greatest fighters in the history of mixed martial arts. In addition to her current title, she has also previously held champion status under the UFC, Invicta FC and Strikeforce banners – an incredible four belts across four different major promotions, an accomplishment she likes to say makes her a “grand slam champion.” In the past 17 years, she has lost just onc…