Cris Cyborg: The only Grand Slam Champion in MMA
Cris Cyborg is the first and only Grand Slam Champion in the history of Mixed Martial Arts (MMA) Cyborg has been a featherweight champion in Strikeforce, Invicta Fighting Championship, UFC, Bellator MMA and the PFL At 39, she is still going strong and wishes to win a belt in boxing Cris Cyborg remains to be…