Who is the older mixed martial artiest, Yushin Okami or Nate Marquardt?
Yushin Okami: Yushin Okami (岡見 勇信 , Okami Yūshin , born July 21, 1981) is a Japanese mixed martial artist currently competing in the Light Heavyweight division of the UFC. Yushin Okami:  He holds notable wins over Mark Munoz, Hector Lombard, Alan Belcher (twice),Anderson Silva (Via DQ), Nate Marquardt, former MMA fighter Evan Tanner and Mike Swick. 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