Blue Bulls head coach Pine Pienaar has been forced to make a late change to his side after centre Ulrich Beyers was ruled out with an ankle injury.
Beyers, who has had the problem this week, failed a late fitness test in Pretoria and will be replaced by Waylon Murray in the starting XV.
His original place on the bench will be filled by Baby Boks star William Small-Smith.
Blue Bulls (revised): 15 Jürgen Visser, 14 Sampie Mastriet, 13 Waylon Murray, 12 Francois Venter, 11 Akona Ndungane, 10 Handré Pollard, 9 Rudy Paige, 8 Jono Ross (c), 7 Jacques du Plessis, 6 Wiaan Liebenberg, 5 Grant Hattingh, 4 Paul Willemse, 3 Frik Kirsten, 2 Mbongeni Mbonambi, 1 Marcel van der Merwe.
Replacements: 16 Bandise Maku, 17 Dean Greyling, 18 David Bullbring, 19 Jacques Engelbrecht, 20 Lohan Jacobs, 21 William Small-Smith, 22 Clayton Blommetjies.
Date: Saturday, September 14
Kick-off: 17:05 local (16:05 BST, 15:05 GMT)
Venue: Loftus Versfeld, Pretoria
Referee: Marius Jonker
Assistant referees: Rasta Rasivhenge, Sieg van Staden
Television match official: Johan Greeff