The Southern Kings suffered a 27-31 defeat by the Cardiff Blues in Port Elizabeth on Saturday to open their PRO14 account on a disappointing note.
Lock JC Astle will lead a Southern Kings side featuring a blend of youth and experience against the Cardiff Blues, to kickoff their PRO14 season on Saturday.
Scrumhalf Stefan Ungerer will start in one of two changes to the Kings team to face Ulster at the Kingspan Stadium on Saturday.
Stefan Ungerer will make his first start for the Kings in one of six changes to their starting lineup to face Leinster in Port Elizabeth on Sunday.
Scrumhalf Stefan Ungerer and prop Nicolaas Oosthuizen have joined the Kings squad ahead of their Pro14 clash with Leinster on Sunday.