Toulouse's lead in the Top 14 table is down to a solitary point after Clermont Auvergne thrashed Grenoble. Lyon, meanwhile, lost at home.
Wales international Leigh Halfpenny featured in the Scarlets' 10-6 win over Munster, while Glasgow Warriors went top of Conference A.
Saracens eased past Northampton Saints but table-topping Exeter Chiefs had to repel a second-half rally from Sale Sharks.
Handre Pollard scored 20 points with his boot as the Bulls tamed the Lions, while the Sharks tasted defeat for the first time this...
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The Sunwolves rocked the Chiefs to claim their first away Super Rugby victory and the Crusaders were too strong for the Reds.
Tributes have been paid to Michael Tamoaieta after the Blues forward passed away suddenly.