Griquas moved into the top four on the Currie Cup standings with a 42-27 bonus-point win over the Griffons in Kimberley on Sunday.
The Bulls made it three Currie Cup wins on the trot as they downed the Lions 30-19 at Loftus Versveld on Saturday.
The Sharks snuffed out any hope of a comeback by the Cheetahs as the visitors held out for a 24-17 victory in their Currie Cup clash in Bloemfontein on Friday.
Bulls utility back Wandisile Simelane claims the recent difficult period has given them the opportunity to try harder and improve their overall game.
Defending Currie Cup champions the Pumas moved to the top of the table after thrashing the Griffons 64-6 in Welkom on Sunday.
The Free State Cheetahs made a comeback in the second half to defeat Western Province 26-17 on Saturday, claiming top spot in the Currie Cup standings.