Wales boss Warren Gatland is still weighing up what his next move will be when he leaves his role after the Rugby World Cup.
After only recently making a comeback following thumb surgery, Ulster's Iain Henderson is set to miss several weeks due to a finger injury.
Quinn Roux has been called up to the Ireland squad for their first two Six Nations matches after Tadhg Beirne was ruled out.
Hamish Watson has dropped out of Scotland's Six Nations squad with a hand injury, while four players have been called up.
Jack Nowell, Henry Slade and Luke Cowan-Dickie have all signed fresh two-year deals with Exeter Chiefs, it has been announced.
Wasps saw three England squad members suffer injury scares on Sunday but Dai Young does not foresee any issues ahead of the Six Nations.
Eddie Jones claims Jonny Sexton is the only one allowed to "pick up the red phone and talk to referees."
With this year's Six Nations looming, England fly-half Owen Farrell is expected to be out for up to 10 days after surgery on a...
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England's preparations for the Six Nations have been hit by the fact captain Owen Farrell needs surgery.
Billy Vunipola will take more motivation from England's response to the 2015 Rugby World Cup than from the disappointment.
Jack Nowell's versatility could be put to the test after Eddie Jones revealed the 25-year-old may feature for England in the pack.
Owen Farrell can thrive as captain in the absence of Dylan Hartley as England begin their Six Nations campaign against Ireland.
Owen Farrell will be England's sole captain against Ireland, with Dylan Hartley unavailable for the start of the Six Nations due to injury.
Ireland have named Johnny Sexton in their squad for the opening two Six Nations fixtures as the fly-half recovers from a knee injury.
With selection for the Six Nations looming, full-back Mike Brown says his burning desire to play for England is as strong as ever.
Seven uncapped players feature in Scotland's squad for the Six Nations, with three of those selected at hooker.