Cika wannan jumlar: A ranar 19 ga Yuni, 2009, kungiyar kwallon kafa ta Super Rugby da ke Perth, Western Force ta sanar da Pretorius a matsayin mai sa hannu kan yarjejeniyar kasa da kasa don
2010 Super 14 kakar wasa. Koyaya, ya kasa bayyana a kowane wasa na gefen kuma ya koma Afirka ta Kudu don komawa kungiyar.