Holly Holm is an American mixed martial artist who is a part of the Ultimate Fighting Championship, otherwise known as the largest MMA promotion company in the world that features some of the highest-level fighters in the sport on its roster.
She has been regarded as one of the best female welterweights in the world, holding several welterweight boxing titles. Starting in June 2008, she became known as the ultimate welterweight champion and the holder of multiple belts when she defeated former champ Mary Jo Sanders.
More notably, she defeated Ronda Rousey (giving Ronda her first loss ever in the sport) at UFC 193, held on November 15, 2015, and held in of a record-breaking crowd (56,215 people) in Melbourne. This fight in particular is considered to be one of the biggest upsets in sports history.
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