Genki Sudo holds a notable win over an American mixed martial artist who has been a professional competitor since what year?
Nate Marquardt Nathan Joel "Nate" Marquardt (born April 20, 1979) is an American mixed martial artist competing in the middleweight division of the Ultimate Fighting Championship. A professional competitor since 1999, he is a former Strikeforce Welterweight Champion and a three-time Pancrase Middleweight Champion.
Jacob Volkmann Jacob Joseph Volkmann (born September 5, 1980) is an American mixed martial artist currently competing in the Welterweight division. A professional MMA competitor since 2007, Volkmann has formerly competed for the UFC, Bellator, and the World Series of Fighting.