Matt Hume and Demetrious Johnson are both American participants of what sport
Matt Hume Matt Hume (born July 14, 1966) is an American mixed martial artist. He is the founder and head trainer at AMC Pankration in Kirkland, WA, which is home to UFC flyweight champion Demetrious Johnson, ONE bantamweight champion Bibiano Fernandes and he has trained numerous world class fighters including Josh Barnett, Tim Boetsch Bob Sapp, Chris Leben, Hayato Sakurai, Akira Shoji, Matt Brown, Rich Franklin, Mario Miranda and Caros Fodor.
Brian Johnson (fullback) Brian "Horse" Johnson (born April 6, 1979) is a former American football fullback who played five seasons with the San Jose SaberCats of the Arena Football League (AFL). He played college football at the University of New Mexico.