Ailín Pérez, born on October 5, 1994, in Hurlingham, Buenos Aires, Argentina, is a professional MMA fighter competing in the UFC women’s bantamweight division. Known as “Fiona,” she earned the nickname due to her fierce fighting style and playful twerking celebrations after victories. She began training in kung fu and sanda at age 11 and later transitioned to jiu-jitsu. Ailín made her UFC debut in September 2022 and holds a professional record of 10 wins and 2 losses. Her charismatic personality and impressive skills have made her a standout athlete from Argentina.





