Strauss return to lead Bulls
Strauss missed the last two Super Rugby matches due to a foot injury, but returns to the middle of the scrum and takes over the captaincy from Hanro Liebenberg.
He also replaces Jaco Visagie at hooker.
Bulls coach Nollis Marais also made changes to his backline.
Tian Schoeman will wear the No.10 jersey.
Ulrich Beyers moves onto the bench in place of Gelant.
If he takes to the field, this will be his first appearance of the season.
Springbok lock Lodewyk de Jager will play in his 50th Super rugby match.
Bulls: 15 Warrick Gelant, 14 Duncan Matthews, 13 Jan Serfontein, 12 Burger Odendaal, 11 Jesse Kriel, 10 Tian Schoeman, 9 Rudy Paige, 8 Hanro Liebenberg, 7 Jannes Kirsten, 6 Ruan Steenkamp, 5 Lodewyk de Jager, 4 Jason Jenkins, 3 Jacobie Adriaanse, 2 Adriaan Strauss (captain), 1 Lizo Gqoboka.
Replacements: 16 Jaco Visagie, 17 Pierre Schoeman, 18 Conraad van Vuuren, 19 Abongile Nonkontwana, 20 Nic de Jager, 21 Ivan van Zyl, 22 Tony Jantjies, 23 Ulrich Beyers.
Date: Saturday, May 27
Venue: Loftus Versfeld, Pretoria
Kick-off: 15.05 (13.05 GMT; 01.05 NZ time, Sunday, May 28)
Referee: Egon Seconds (South Africa)
Assistant referees: Quinton Immelman (South Africa), Jaco Pretorius (South Africa)
TMO: Christie du Preez (South Africa)