His career was marked by big wins, notably in Pride Fighting Championships, a major MMA league in Japan. Here, Jackson was famous for his powerful slam knockouts and intense rivalries, especially with Wanderlei Silva, which significantly increased his reputation.
In 2007, Jackson moved to the Ultimate Fighting Championship (UFC), where he continued to succeed. He won the UFC Light Heavyweight Championship by defeating Chuck Liddell at UFC 71, confirming his status as one of the sport's elite. His fighting technique featured potent striking and strong wrestling skills.
Jackson's career was distinguished by his dynamic fighting style, memorable post-fight interviews, and a personality that won over fans worldwide.