For the second consecutive week, Thomas Waldrom and James Short produced outstanding performances as the Exeter Chiefs moved to just two points behind Aviva Premiership leaders Saracens with a 30-15 victory over Worcester Warriors.
Scotland centre Alex Grove has left Aviva Premiership club Worcester on loan for an unspecified amount of time, joining London Scottish in the Greene King IPA Championship.
Late tries from Frank Halai and Sailosi Tagicakibau snatched both a win and a consolation bonus point away from Worcester as Wasps came from behind to win 32-22 at the Ricoh Arena.
Harlequins narrowly survived a furious second-half rally from Worcester to clinch a 24-20 victory at a rain-sodden Sixways and move up to third in the Aviva Premiership table.
Bath posted only a third Aviva Premiership win of the season - and their first for seven weeks - by edging out Recreation Ground visitors Worcester 21-14.
European Challenge Cup holders Gloucester maintained their 100 per cent record in this season's competition by claiming a bonus point 34-22 victory over Worcester at Sixways.
Worcester Warriors were left to rue Donncha O'Callaghan's red card as Leicester Tigers left it late to secure a 29-20 Premiership victory with a four-try bonus point at Sixways.
Manu Tuilagi could become the Aviva Premiership's highest-paid player of all time after Worcester and Wasps joined the fight to prize the England centre away from Leicester.
European Rugby Challenge Cup champions Gloucester began their defence with a 23-10 win over Zebre while elsewhere London Irish beat Agen, Cardiff Blues thrashed Calvisano, Worcester beat La Rochelle and Connacht beat Enisei-STM.
Danny Cipriani was among the try-scorers as Sale bounced back from last week's mauling at Saracens to claim their first Aviva Premiership win of the season, beating Worcester 27-13.
Scotland skipper Greig Laidlaw has issued a rallying call to his international teammates demanding a final push to clinch a Rugby World Cup quarter-final slot.
Wales international forward Jonathan Thomas believes that players need "more educating about the warning signs" after being forced to retire from rugby at the age of 32.