Steven Klein wuxuu ku toogtay mowjad cusub oo moodallo lab ah jilitaanka 'au natural'. Moodooyinka waxaa ka mid ah Arran Sly, Isaac Ekblad, Claude Simonon, Humbert Clotet, Nils Lawton, Silviu Tolu, Jarrod Scott, Tomas Skoloudik, Jules Hamilton, Taejahn Taylor, Ryan Bertroche, Rich Stinger iyo Emil Dostovic.