The Blues team to play Glasgow Rugby at Cardiff Arms Park on Friday evening (7.05pm) shows four changes, one of them positional, from the team that beat Edinburgh last week.
Six Nations' squad member Jamie Robinson returns to outside centre with Matt Allen switching to the number 12 shirt.
Ryan Powell resumes at scrum-half and Heino Senekal starts at lock alongside skipper Andy Moore.
Team: Donavan van Vuuren; Nick Walne, Jamie Robinson, Matt Allen, Jonny Vaughton; Nick Robinson, Ryan Powell; Kenneth Fourie, Rhys Thomas, Ben Evans, Heino Senekal, Andy Moore, capt, Matt Cockbain, Nathan Thomas, Rob Appleyard
Replacements: Darren Crompton, Andrew Lewis, Craig Quinnell, Jim Brownrigg, Robin Sowden-Taylor, Andrew Moore, Pieter Muller
Referee: Alistair McKay (Ireland)