Jean-Claude Leuyer holds notable wins over a Dutch kickboxer often called what?
Jean-Claude Leuyer:  He holds notable wins over Rob Kaman and Tomasz Kucharzewski in K-1. Rob Kaman: Rob "The Dutchman" Kaman (Born June 5, 1960 in Amsterdam) is a Dutch retired 9 time kickboxing and Muay Thai world champion.
i don't know