The Blue Bulls have had to tinker with their line-up after prop Frik Kirsten was ruled out of Friday's clash with Griquas.
Kirsten has picked up an ankle strain and won't be risked for the encounter at Loftus Versfeld.
His place in the front row is taken by Springbok Werner Kruger.
Blue Bulls: 15 Jürgen Visser, 14 Sampie Mastriet, 13 Ulrich Beyers, 12 Francois Venter, 11 Travis Ismaiel, 10 Tony Jantjies, 9 Rudy Paige, 8 Jono Ross (c), 7 Jacques du Plessis, 6 Wiaan Liebenberg, 5 Grant Hattingh, 4 Paul Willemse, 3 Werner Kruger, 2 Callie Visagie, 1 Morné Mellett.
Replacements: 16 Bongi Mbonambi, 17 Marcell van der Merwe, 18 Wilhelm Steenkamp, 19 Jean Cook, 20 Ruan Snyman, 21 Waylon Murray, 22 Clayton Blommetjies.
Date: Friday, August 16
Venue: Loftus Versfeld, Pretoria
Kick-off: 19.10 (17.10 GMT)
Referee: Marius van der Westhuizen
Assistant referees: Sindile Mayende, Attie Buitendag
TMO: Johan Greeff