Erin “Cold Blooded”Blanchfield

Erin Blanchfield is an American mixed martial artist competing in the UFC women’s flyweight division. Born on May 4, 1999, she is listed at 5 feet 4 inches and represents Silver Fox BJJ. Blanchfield made her UFC debut in September 2021 and has developed into a leading contender through a pressure-oriented style built around wrestling, positional control and Brazilian jiu-jitsu submissions. UFC coverage has highlighted her black belt in Brazilian jiu-jitsu, as well as her continued development in striking after earlier experience in Muay Thai and kickboxing.

Blanchfield’s notable UFC milestones include a submission win over former champion Jéssica Andrade in February 2023, a decision victory over Taila Santos later that year, and a win over former strawweight champion Rose Namajunas in November 2024. She also defeated Tracy Cortez at UFC 322 in November 2025. As of October 2, 2026, UFC lists Blanchfield in the women’s flyweight rankings and identifies Valentina Shevchenko as the division’s champion; Blanchfield has not won a UFC title. Her career remains centered on pursuing a championship opportunity in the flyweight division.