Joop Kasteel
Joop Kasteel, also known as 'de zwarte parel' 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. As a former bodybuilder he went into the MMA world & became one of the most popular Dutch fighters noted for his power and physique, normally weighing in at around 265 lbs.
