The two-year disagreement over the future of European club rugby has been resolved.
An agreement for a new tournament to replace the existing European Cup structure has been signed, European Rugby and the Rugby Football Union announced on Thursday night.
Former Wales international Gavin Henson has agreed a one-year extension to his contract with Aviva Premiership club Bath.
Exeter have announced the signing of versatile back-row forward Mitch Lees from Championship side London Welsh on a two-year deal from the start of next season.
The 25-year-old, who has followed the arrival of prop Tomas Francis from London Scottish, has played for the ACT Brumbies A team in his native Australia and moved to England to join the Exiles at the start of this season.
Saracens director of rugby Mark McCall believes his team have never been better placed to attack the business end of the season and convert strong positions in tournaments into silverware.
England prop Joe Marler has signed a new contract with Harlequins that will keep him at Twickenham Stoop until 2016.