Josh Adams will miss the games against England and Scotland as he requires surgery on the ankle he injured against France.
The Ospreys have turned to Toby Booth to take over as head coach when he finishes his assignment with Harlequins.
Wales full-back Liam Williams has joined the Scarlets ahead of schedule, while Rhys Webb joined Bath ahead of a move to Ospreys.
Former New Zealand prop Ben Franks says the end of this season will be the right time to end his illustrious career.
Ardie Savea says a move to either Sydney Roosters or Melbourne Storm are options that appeal to the All Blacks flanker.
More Italian sporting fixtures have been delayed by the coronavirus, with Zebre & Benetton Treviso seeing matches postponed.
England were quick out of the blocks against Ireland and Owen Farrell insists the team are happy with how things are "in-house".
Ireland were beaten 24-12 at Twickenham, with head coach Andy Farrell left to concede that England were much the better side.
Exeter plundered eight tries in a crushing victory over Northampton as they took another step closer to finishing top of the Premiership.
Wales look highly unlikely to retain their Six Nations title after a loss to France, but Wayne Pivac felt they were hard done by.
France kept their Grand Slam hopes live with a famous win in Cardiff, but Romain Ntamack says they are not getting ahead of themselves.
Ireland have been forced into a late change to their team to play England, with Devin Toner in for Iain Henderson.
Lewis Moody was impressed by England's grit and determination in the win over Scotland but says Ireland will provide a far sterner test.
Eddie Jones has made four changes to the England starting line-up for the showdown with Ireland at Twickenham.
Former France flanker Serge Betsen is looking forward to seeing Shaun Edwards' impact in evidence when Les Bleus take on Wales.
France should let their rugby do the talking in Cardiff after Wyn Jones fanned the flames this week, Serge Betsen says.