Holly Holm is an American mixed martial artist, former professional boxer, and kickboxer, widely recognized for her groundbreaking achievements in combat sports. Holm’s journey in professional sports has made her a trailblazer, becoming the only fighter to hold major world titles in both boxing and mixed martial arts. Table of Contents Toggle SiblingsCareerAccoladesSiblingsHolly has two older brothers, Brian Holm and Weston Holm, who have been significant figures in her life and career. CareerHolm’s career began in 2001 with kickboxing before she made her professional boxing debut in 2002 in her hometown of Albuquerque. Her overall MMA record stands at 15-7 with one no contest.