Genki Sudo holds a notable win over an American mixed martial artist who has been a professional competitor since what year?
Genki Sudo:  Over his career he holds notable wins over Nate Marquardt, Eric "Butterbean" Esch, Mike Brown, Kazuyuki Miyata, Hiroyuki Takaya, Damacio Page and Ramon Dekkers. 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. Nate Marquardt:  A professional competitor since 1999, he is a former Strikeforce Welterweight Champion and a three-time Pancrase Middleweight Champion.
1999