Mackenzie Dern is one of the most celebrated MMA fighters in the history of the sport. During some periods she has even been ranked as the #1 female fighter, according to her fighting streaks, which sometimes amounted to even doing 6 fights without losing or coming to a draw. She is currently 25-years old and was born on 24 March 1993. She is 5'4", making her one of the shortest female fighters to be featured in this list.
Her weight is 115 lbs (which is about 52.16 kg), making her a part of one of the most competitive MMA classes - the strawweight category. She is originally from Phoenix, Arizona, and her team association stands with MMA Lab. Her last fight happened on March 3, 2018, which was just a few weeks ago. Her next fight is scheduled to happen in the upcoming weeks. Apart from that, she is also an ADCC and BJJ (black belt) World Champion.