England Saxons centre Sam Hill has signed a new deal with Aviva Premiership club Exeter.
Newcastle prop Kieran Brookes has been handed a six-week ban for pushing referee Greg Garner.
London Irish prop CJ van der Linde has been forced to undergo pectoral surgery that could end his season.
Leicester maintained their grip on fourth place in the Aviva Premiership with a bonus-point 41-18 win over Newcastle.
Scotland playmaker Greig Laidlaw has completed a deal to join Gloucester next season.
Round-up: Exeter Chiefs beat London Irish 18-0, while Danny Cipriani shone against former club Wasps.
Saracens all but ended Bath's ambitions of a top-two finish in the Aviva Premiership with a ruthless 23-10 victory.
Aviva Premiership title favourites Saracens may be in town on Friday night but Bath will not be changing their approach.
London Irish have announced the signing of England international Luke Narraway from Perpignan.
Leicester moved into the Aviva Premiership play-off places by ending London Irish's winning run with a 20-15 away result.
Two first-half tries from James Wilson set league leaders Northampton on the road to victory in their Premiership clash at Newcastle.
Two tries from James Johnston and Schalk Brits enabled second-placed Saracens to overcome a stiff challenge from Exeter.
Bath grabbed a bonus-point victory to cement third place in the Premiership after Wasps pushed them all the way in a roller coaster of a game.
Gloucester gained their first Aviva Premiership victory since December as they inflicted a sixth league defeat of the season on fourth-placed Harlequins.
Worcester suffered a 15th consecutive Premiership defeat, 24-12 to Sale, and can surely now kiss goodbye to any lingering survival hopes.
Exeter have announced a new one-year contract for their Wales international fly-half Ceri Sweeney.