スーパーフェザー級
Malcolm Klassen (born in Hammanskraal, Gauteng, South Africa) is a South African professional boxer. Known as "Stone", he was a virtual unknown in the boxing world until he challenged and defeated Gairy St. Clair for the International Boxing Federation Super featherweight title on 4 Nov 2006. He lost his belt in his first defense against unheralded Mzonke Fana.