Karen Alexa Grasso Montes (born August 9, 1993) is a Mexican professional mixed martial artist who currently competes in the women's Flyweight division of the Ultimate Fighting Championship (UFC), where she is a former UFC Women's Flyweight Champion. Grasso is the first Mexican female fighter to win a UFC championship. She is also a UFC analyst for UFC Español for Spanish broadcasts. As of September 12, 2026, she is #2 in the Meta UFC women's flyweight rankings and as of September 15, 2026, she is #6 in the UFC women's pound-for-pound rankings.
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