Deletion of Joop Kasteel

Comment: I have tagged this article for |rescue
Stance: comment
Cited policy: Wikipedia:Article Rescue Squadron (WP:ARS)

Comment: WP:MANOTE is an essay. It has no relevance here. The sources added (as "external links" not supporting any of the material in the article) appear to be mostly unreliable (official website, interviews, blogs, etc). However, the sources do verify, reliably, that he is the Dutch champion and a professional fighter (see the Liverpool Echo article which is about the only link I would consider reliable). That is enough in my view to get him over . I would support stubbification
Stance: keep
Cited policy: Wikipedia:Notability (WP:ATH)

Comment: Seems to pass thlete as fully professional, 31 fight mostly in notable promotions
Stance: keep
Cited policy: Wikipedia:Attribution (WP:A)

Comment: I have added more sources with coverage. If he was indeed world champion in MMA at one point, like the sources say, then he would immediately qualify for notability, per 
Stance: keep
Cited policy: Wikipedia:Notability (WP:MANOTE)