Finn Russell has not satsified the requirements of his graduated return-to-play protocol and will miss Scotland's clash with France.
The Irish Rugby Football Union (IRFU) has confirmed Leinster's Robbie Henshaw has extended his contract until June 2022.
Full-back Thomas Ramos will make his first start for France, who have a new half-back pairing for the Six Nations clash against Scotland.
Mourad Boudjellal told Julian Savea he is not welcome at Toulon, but the ex-All Black promised to keep giving his all for the team.
After agreeing to join Racing 92 until the end of the season, Dan Carter expressed his sadness at the circumstances surrounding his return.
For the second time in the space of 24 hours, a Toulon player has defended himself following comments made by president Mourad Boudjellal.
With Elliot Daly departing for Saracens, Wasps will hope Matteo Minozzi proves to be a 'Super Smash' signing from Zebre.
Gregor Townsend has added six players to Scotland's squad ahead of the France Six Nations trip, but Stuart Hogg is out.
Liam Squire is leaving New Zealand at the end of the campaign to join NTT Docomo Red Hurricanes in Japan.
Scott Robertson had been tipped to take over with New Zealand when Steve Hansen steps down, but he has agreed a new deal with the Crusaders.