Cape Town - Victor Matfield and Zane Kirchner will join the Springbok rugby squad in Cardiff on Thursday as replacements for Andries Bekker and Butch James.
Gallery: Boks train in Cardiff
Bekker has a foot injury and has been withdrawn for medical reasons while James has been withdrawn by Bath Rugby Club amidst objections relating to the International Rugby Board's June release window.
The Springbok management will confirm the revised Test line-up later today.