The Hurricanes proved far too strong for the Sunwolves in Super Rugby on Saturday, while the Sharks beat the Reds.
Australian Conference rivals the Brumbies and the Reds enjoyed big wins on Saturday, the leaders recovering from an outbreak of mumps.
Jordan Petaia, who saw his 2019 season blighted by a foot injury, has suffered another setback that will end his Super Rugby season.
The Reds squandered a promising lead in Argentina as the Jaguares claimed their second win of the season.
The Stormers held their opposition scoreless again to make it two wins from two in Super Rugby.
Warren Gatland rung the changes with the Chiefs behind and was rewarded with victory, while the Brumbies also triumphed.
Suliasi Vunivalu will leave the Melbourne Storm to join Super Rugby side the Reds in 2021.
Reds prop Taniela Tupou is set to play in the next two Rugby World Cups for Australia after signing a contract extension.
Set for a first Wallabies appearance in six years, James O'Connor has agreed a contract that includes behavioural clauses.
An immediate Wallabies recall could come the way of James O'Connor after he signed a two-year deal with the Reds and Australian Rugby.