A 14-man Stormers showed great fighting spirit, but were unable to prevent the Waratahs claiming a tense victory at Newlands.
The Stormers will field their first-choice centre pairing for the first time this season against the Waratahs on Saturday.
Waratahs wing Rob Horne says their Super Rugby match-up against the Stormers at Newlands will be a big challenge.
Stormers co-captains Juan de Jongh and Frans Malherbe both return for the Super Rugby match against the Waratahs at Newlands.
Waratahs head coach Daryl Gibson has named his team for their Super Rugby clash against the Stormers at Newlands.
The Waratahs have outclassed the Western Force in their Australian Super Rugby derby in Perth.
The Brumbies have beaten the Waratahs in their Super Rugby match at the Allianz Stadium in Sydney on Saturday.
Waratahs coach Daryl Gibson has moved fullback Israel Folau to outside centre for their home Super Rugby match against the Brumbies.
Waratahs utility back Kurtley Beale is set to return to action when his side face the Brumbies in their Australian derby.
The Rebels picked up their fourth win of 2016, their first ever over the Waratahs in Sydney. .
The Waratahs edged past arch-rivals Queensland Reds in a dour Super Rugby clash in Brisbane.
The defending champion Highlanders sent a timely reminder to their foes that they will not relinquish their title without a fight.
Waratahs coach Daryl Gibson has admitted it will be hard to keep hold of Wallabies back Kurtley Beale after Wasps offered him a big-money deal.
Waratahs hooker Silatolu Latu was banned for one week for striking an opponent during Friday's clash with the Brumbies.
The Waratahs have suffered a big injury toll in the bruising Super Rugby loss to the Brumbies.