Stormers 15-33 Brumbies Chiefs 15-36 Crusaders Highlanders 29-17 Cats Bulls 38-27 Waratahs Sharks 21-20 Hurricanes

Joe Roff, Mark Chisholm, Clyde Rathbone and George Smith all crossed for Brumbies tries at Newlands.

Roff also kicked three penalties and two conversions for the visitors to put them one point clear of the Blue Bulls and leave the Stormers fourth.

Gaffie du Toit, Marius Joubert and Tonderai Chavhanga scored unconverted tries for the Stormers.

The Otago Highlanders kept the Golden Cats on the bottom of the table with a 29-17 victory in Dunedin.

Second-half tries from Nick Evans and Craig Newby sealed the win and gave the Highlanders a bonus point.

The home side led 15-0 early on after tries from Seilala Mapusua and Anton Oliver and two successful Evans kicks.

But they were forced to battle back after Andre Pretorius kicked a penalty and converted scores from Enrico Januarie and Jaque Fourie.

The Canterbury Crusaders produced a storming second-half display to beat the Waikato Chiefs 36-15 in Hamilton.

The Chiefs led 15-11 at half-time courtesy of tries from Loki Chrichton and Lomi Fa'atau and five points from the boot of David Hill.

But Caleb Ralph and Moses Tuialii crossed, and Aaron Mauger added to his first-half try, to complete the comeback.

Daniel Carter kicked four penalties and two conversions for Canterbury.

In Friday's action, the Blue Bulls consigned the New South Wales Waratahs to a 38-27 defeat in Pretoria to knock them off the top of the table.

A rousing second-half display from the home side saw them turn round a 6-10 deficit at half-time.

Odwa Ndungane, Christo Bezuidenhout, Eddie Fredericks and Danie Rossouw grabbed a try apiece while Derick Hougaard added the extras.

Fly-half Butch James kicked a 71st-minute penalty to give Natal Sharks a thrilling 21-20 win over the Wellington Hurricanes.

James slotted three penalties and a conversion from seven attempts for the South Africans to settle a tight match.

The win was their third away from home and it lifted them to joint third place at the start of the fifth round.