A late try from Joel Kpoku helps Saracens to a bonus-point win over Sale as they move back to the top of the Premiership.
Sale Sharks sign South Africa international Jean-Luc du Preez from Super Rugby side Sharks on a three-month deal.
A late try gives Gloucester victory over Northampton in the Premiership Rugby Cup, while Newcastle and Sale win elsewhere.
All Black centre Charles Piutau makes his Bristol Bears bow as Gloucester are well-beaten in the Premiership Rugby Cup.
Audio & Video
Ugo Monye explains why England winger Marland Yarde is set to join Sale Sharks from Harlequins.
How to get into rugby union
How to get into rugby union - through the age groups up to the 15-player game or try rugby sevens, which made its Olympic debut in 2016.
Rugby alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
Commentaries, clips and podcasts
Enjoy the best debate, analysis and interviews with BBC 5 live and World Service plus our rugby union commentary listings.
What's on BBC Sport this week
This week's sport on the BBC.