Nicky Smith, Scott Baldwin, Rhodri Jones, Rory Thornton, James King, Sam Davies and Olly Cracknell will all be available to Steve Tandy for the Ospreys crucial game against Munster at the Liberty Stadium.
Aled Davies and Steff Evans will be available to the Scarlets for their home game with Zebre on Friday evening, while Scott Andrews, Kristian Dacey and Alex Cuthbert will be back with Cardiff Blues and Cory Hill returns to Newport Gwent Dragons.
Additionally, Ashton Hewitt has been released to the Dragons.
