Scotland back-row Josh Strauss will join Sale Sharks at the end of the season on what is understood to be a three-year deal.
Ospreys move up to second in the Pro12 with a bonus point win over Glasgow Warriors at the Liberty Stadium
D'arcy Rae extends his Glasgow Warriors stay until 2019 while Jamie Bhatti agrees professional terms with the club for next term.
Hurricanes flanker Callum Gibbins will join Glasgow Warriors this summer on a three-year contract, says the Pro12 club.
Audio & Video
Watch Clwb Rygbi's Welsh-language highlights as Ospreys go second in the Pro12 with a bonus point win over Glasgow Warriors (UK only).
Get Inspired Activity Finder
Run by the BBC and partners
Find ways to get active near you:
For more ideas, information and inspiration, visit bbc.co.uk/getinspired
How to get into rugby union
How to get into rugby union - into the thick of the 15-player game or try rugby sevens, which made its Olympic debut in 2016.
Rugby alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
Commentaries, clips and podcasts
Enjoy the best debate, analysis and interviews with BBC 5 live and World Service plus our rugby union commentary listings.
What's on BBC Sport this week
This week's sport on the BBC includes England's ODI series with West Indies, European Indoor athletics plus FA Cup & Premier League football.