Cheslin Kolbe starred for Toulouse against Ulster, while Exeter Chiefs got the better of Northampton Saints in the European Champions Cup.
Two dominant spells saw Bristol Bears past Northampton Saints with ease in the Premiership on Tuesday.
Exeter Chiefs and Bristol Bears are the top two in the Premiership after victories on Friday.
Ollie Thorley scored four first-half tries in Gloucester's win against Leicester, while two Exeter hat-tricks helped to crush Worcester.
Worcester Warriors won their first game of 2020 on Wednesday, while Bath's strong second-half display led them to a third win a row.
Harlequins were unable to recover from a dominant first-half display by rivals Saracens at Allianz Park.
An impressive showing from Wasps saw them claim a bonus-point win over Northampton Saints at Franklin's Gardens on Sunday.
Playmaker Cobus Reinach has been confirmed as a Montpellier player five months after revealing he will leave Northampton Saints.
The Professional Game Board said more work needs to be done before Premiership rugby teams in England can start training.
Sam James and Denny Solomona were among Sale Sharks' try-scorers as Steve Diamond's side beat London Irish to go top of the Premiership.
Former New Zealand prop Ben Franks says the end of this season will be the right time to end his illustrious career.
Exeter plundered eight tries in a crushing victory over Northampton as they took another step closer to finishing top of the Premiership.
Henry Purdy and Lewis Thiede touched down within two minutes of one another to see Bristol Bears past Northampton Saints.
Northampton Saints looked to be heading top of the Premiership until London Irish sprung a shock following Api Ratuniyarawa's dismissal.
Cobus Reinach could be set to join Montpellier after announcing he will leave Northampton Saints following three seasons at the club.
A thrashing of Lyon ensured Leinster made it five wins from five in the European Champions Cup, while Racing 92 reached the last eight.