Du Toit moves to back row again
Injuries to scrumhalf Justin Phillips (rib) and flank Cobus Wiese (hamstring) mean that Jano Vermaak and Chris van Zyl will both start the Super Rugby clash, which at Ellis Park on Saturday.
Vermaak makes his first start of the season, having returned from injury last week and his place on the replacements bench is taken by Paul de Wet.
Van Zyl slots in the second row alongside Jan de Klerk, with Pieter-Steph du Toit moving to the flank and Jaco Coetzee among the replacements.
Stormers Head Coach Robbie Fleck said that his team will give everything at Ellis Park.
"This match is a great opportunity for us as a team and we are looking forward to the challenge,” he said.
Stormers: 15 Sarel Marais, 14 Dillyn Leyds, 13 EW Viljoen, 12 Damian De Allende, 11 Raymond Rhule, 10 Damian Willemse, 9 Jano Vermaak, 8 Nizaam Carr, 7 Pieter-Steph du Toit, 6 Siyamthanda Kolisi (captain), 5 Chris van Zyl, 4 Jan de Klerk, 3 Wilco Louw, 2 Ramone Samuels, 1 Steven Kitshoff.
Replacements: 16 Siyabonga Ntubeni, 17 Jacobus Janse van Rensburg, 18 Carlu Sadie, 19 Kobus van Dyk, 20 Sikhumbuzo Notshe, 21 Jaco Coetzee, 22 Paul de Wet, 23 Craig Barry.
Date: Saturday, April 7
Venue: Ellis Park, Johannesburg
Kick-off: 17.15 (15.15 GMT)
Referee: Jaco Peyper (South Africa)
Assistant referees: Rasta Rasivhenge (South Africa), AJ Jacobs (South Africa)
TMO: Willie Vos (South Africa)