Original sentence: His detractors claim that this record is greatly exaggerated.It is claimed that he has an undefeated record in more than 400 fights, including Jiu-Jitsu tournaments, free-style wrestling, Sambo, open weight free-style competitions, and no holds barred challenge matches.Rickson's fighting record has been under dispute for some time.While Rickson has no documented losses, there is also no documentation to support most of the claimed wins as well