Jon Jones became the youngest UFC champion in history at age 23. His dominance in the light heavyweight division is unmatched.
From Louisiana, Poirier's journey from hardship to interim lightweight champ is full of grit and heart.
An Olympic wrestler turned UFC legend, Cormier won both light heavyweight and heavyweight titles as a proud American.
Couture served in the U.S. Army before becoming a five-time UFC champ and one of the sport’s original legends.
Born in Kentucky, DJ redefined technique and speed, dominating the flyweight division with 11 straight title defenses.