Much improved Scarlets have secured an eye-catching recruit for next season, Wales international Ioan Lloyd who has come through the ranks at Bristol in the Gallagher Premiership.
Newcastle Falcons Adam Radwan is one two players recalled into Eddie Jones' England squad for All Blacks week.
Two more England stars have been injured with just weeks to go until Eddie Jones' men contest the Autumn Nations Series.
Joe Batley has become the latest Worcester player to find alternative employment, the forward finding a new club just a day after he became a free agent after his Warriors contract was terminated at an insolvency court.
Jack van Poortvliet and Alex Mitchell join Youngs as the scrum-halves in the 36-man squad.
England head coach Eddie Jones has named a 36-man squad for his England Rugby October training camp ahead of the Autumn Nations Series.
Bristol have admitted that the pre-season injury suffered last month by former All Blacks back-rower Steven Luatua has turned out to be serious enough to sideline him until between mid-November and early December.
England vice-captain Ellis Genge will start for Bristol in this Friday’s Ashton Gate west country derby versus Bath.