Tags: Martial Artist.
Joop Kasteel also known as ‘de zwarte parel’ (the black pearl born 27 August 1964 Amersfoort) is a former Dutch mixed martial artist. Kasteel made his mixed martial arts debut on 15 June 1996. He is a veteran of the RINGS promotion and as he has fought the majority of his fights for them.His trainers were Chris Dolman Hans Nijman and Michel van Halderen he also stated he trained with Dirty Bob Schrijber.