The Stormers had to dig deep for their 29-23 URC victory over a gutsy Sharks team in Cape Town on Saturday afternoon, with the visitors launching a late comeback.
Sharks scrumhalf Grant Williams' journey to professional rugby has been a longer road than others, but he has made a name for himself at his franchise.
Ulster registered a 31-24 victory over the Sharks at Kings Park Stadium that tightens their grip on third place in the United Rugby Championship.
The Sharks come off an important win over the weekend, but know that even at home, they face a huge challenge when they host Ulster at Kings Park the United Rugby Championship clash on Saturday.
A strong second-half display from the Sharks saw them claim a 29-7 victory over South African rivals the Lions in the United Rugby Championship on Saturday.
The Sharks will once again be missing a number of their Springbok stars when they travel to Johannesburg to face the Lions in the United Rugby Championship on Saturday.