He currently fights for K-1 and recently had one match with WFA King of the Streets. I checked up his record and he sounds like a great fighter indeed. He is managed by Antonio Inoki as well.
Win Vernon White Decision (Unanimous)
Win B.J. Penn Decision (Unanimous)
Win Sam Greco Decision (Split)
Win Michael McDonald Submission (Guillotine Choke)
Win Rich Franklin TKO (Punches)
Win Stephan Bonnar TKO (Cut)
Win Kengo Watanabe Decision (Unanimous)