The Lions scrapped to a 40-38 win over the Sunwolves after an error-strewn Super Rugby match at Ellis Park on Saturday night.
The Stormers produced their best performance of the season to beat the Blues 37-20 in an entertaining Super Rugby fixture at Newlands on Saturday.
The Highlanders have made it three wins from three, with a spirited performance against the Crusaders in Dunedin
Despite a fast start from the Bulls, the Chiefs fired in the second half to come back from a 14-point deficit, and keep the Bulls tryless in the second, to down the Bulls 41-28 in Waikato.
Israel Folau has been shifted to the wing and halfback Mitch Short will make his run-on debut for the NSW Waratahs while, in Canberra, Brumbies coach Dan McKellar has grown weary of his struggling squad.
Franco Mostert will lead out the Lions in the absence of Warren Whitelet when they host the Sunwolves in their Super Rugby clash at Ellis Park on Saturday.