James Hook is one of 15 players to be released from the Wales squad
Wales have released 15 players back to their regions and clubs ahead of their respective matches this weekend.
Eight players will head back to their Welsh regions with Josh Turnbull and Liam Williams returning to the Scarlets and Alun Wyn Jones and James King released back to the Ospreys.
The quartet of Scott Andrews, Lou Reed, Josh Navidi and Andries Pretorius return to the Blues.
As per IRB regulations, Paul James (Bath), Craig Mitchell (Exeter Chiefs) and Olly Kohn (Harlequins) have been released back to their clubs as have Gethin Jenkins (Toulon), Mike Phillips (Bayonne), Lee Byrne (Clermont Auvergne) and James Hook (Perpignan).
The players will return back to the Wales RBS 6 Nations squad on Monday, 18 February.
The Welsh Rugby Union has announced a major new sponsorship deal with Gullivers Sports Travel which will make the UK's leading, and longest established, multi-sport tour operator, an Official Supplier for the rest of the decade.
WRU Head of Rugby Josh Lewsey delivers his forward-looking review in this week's Principality Welsh Rugby Union Podcast. He looks at the future of the game in Wales along with National Rugby Development Manager Jason Lewis and National Performance Manager Gethin Watts. Warren Gatland and Gethin Jenkins look back at the Six Nations, Paul John talks about his new role at the Blues after leaving Wales Sevens, while we also talk to Wales Sevens coach Gareth Williams and captain Adam Thomas.