De Klerk was a standout player in Sale’s 31-16 win against Newcastle on Friday, with his impact evident in their first try when his bullet pass put Marlon Yarde away in the corner.
De Klerk is one of several South Africans plying their trade at Sale, with the others being Akker van der Merwe (hooker), Coenie Oosthuizen (prop), Lood de Jager (lock), JP du Preez (lock), Jono Ross (loose forward), Cobus Wiese (loose forward), Rohan Janse van Rensburg (centre) and the Du Preez brothers, Dan, Jean-Luc (loose forwards) and Robert (flyhalf).