Though Demetrious Johnson has experienced great fame and fortune in his career, the pound-for-pound mixed martial arts king is driven by one thing above all else — family. “Mighty Mouse” is determined to support his loved ones through the sport, and is bent on making sure his children never have to experience the same trials and tribulations he did when he was younger. The American megastar will make his highly-anticipated debut at ONE: A NEW ERA, taking on hometown hero Yuya Wakamatsu in the quarter-finals of the ONE Flyweight World Grand Prix in Tokyo.

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