Centre Dan du Plessis will captain the Stormers in their United Rugby Championship opener against Ospreys at Dunraven Brewery Field in Bridgend on Saturday.
Bulls boss Jake White has included Springboks Canan Moodie and Johan Grobbelaar in his matchday 23 to face Edinburgh in their United Rugby Championship opener.
Springbok coach Rassie Erasmus has released three players, Ben-Jason Dixon, Johan Grobbelaar, and Canan Moodie, to their local franchises.
A 29-man Stormers squad left Cape Town on Tuesday for a three-match United Rugby Championship tour which will see them visit Wales, Italy and Scotland.
The United Rugby Championship has dismissed recent media reports claiming that they are in discussions to form a British & Irish league.
A group of Griquas players will join the Stormers squad for their pre-season preparations as part of the development agreement between the two teams.