Scotland coach Gregor Townsend has left out Richie Gray and Duncan Weir ahead of the Rugby World Cup, calling up three uncapped players.
London Irish have boosted their squad ahead of their return to the Premiership, signing Australia prop Sekope Kepu.
He played at four Rugby World Cups and George Gregan believes Australia need to be more consistent if they are to succeed in Japan.
After a distinguished career with Ulster and Ireland, Rory Best will call time on his rugby union career after the World Cup.
Israel Folau is set to be sacked by Rugby Australia, yet Will Genia says the Wallabies can still win the Rugby World Cup.
Brian O'Driscoll knows Ireland need Johnny Sexton to be fit and firing if they are to make an impact at the Rugby World Cup in Japan.
Josh Navidi will be out for up to three months after going under the knife but the flanker's World Cup participation is not in doubt.
Rory Best has been told he could be out for six weeks, but the hooker has described that as a "magical figure".
Wales took on all comers in the Six Nations and Warren Gatland says they can go far in Japan.
Eddie Jones has reassured Joe Cokanasiga he has a bright future with England despite being left out of Saturday's clash with Scotland.