Toulouse's contrasting home and away form continued as they defeated visitors and 2018-19 Top 14 final opponents Clermont Auvergne.
Taylor Swift proved the unlikely inspiration for beleaguered Premiership champions Saracens as they roared to victory at Gloucester.
A looming points deduction would see Saracens facing a Premiership relegation battle this season, but they defeated Gloucester on Saturday.
Rob du Preez kicked 17 points while his brother Dan scored Sale Sharks' only try in a hard-fought 28-18 Premiership victory over Wasps.
Andrew Porter and Ronan Kelleher each crossed twice as Leinster maintained their 100 per cent record, while Edinburgh beat Dragons.
After their heavy defeat in the Rugby World Cup final, England have confirmed they will return to Japan for two Tests in 2020.
Scottish Rugby will consider its options, which may include arbitration, after being sanctioned by World Rugby.
A fine of £5.36million fine and the deduction of 35 points will not necessitate a fire sale at Saracens, the club's chairman insists.
Winning the Rugby World Cup with South Africa was Tendai Mtawarira's last act for the Springboks, and he called it a "perfect ending".