Scotland stand-off Finn Russell has been ruled out of Saturday's Guinness Six Nations match against France with a head injury.

The Racing 92 stand-off had given Scotland a glimmer of hope he could recover from a weekend head injury when he arrived symptom-free in Edinburgh on Monday, but those hopes have now been dashed.

A statement from the Scottish Rugby Union read: "The 26-year-old playmaker has not satisfied the requirements of today's component of the graduated return to play protocol - two days on from sustaining the injury in Racing 92's Top 14 clash with Toulouse - meaning there is insufficient time for him to be considered for this weekend's action.

"He will now return to the care of his club's medical team." 

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Meanwhile, France head coach Jacques Brunel dropped scrum-half Morgan Parra and fly-half Camille Lopez but denied it had anything to do with their criticism of the staff following their Twickenham debacle.

Vice-captain Parra and Lopez pointed at the management's share of responsibility in the 44-8 defeat against England on 10 February when Les Bleus looked clueless on the field.

Brunel, however denied the duo has been sanctioned when he reshuffled his cards, making four changes to unveil a new-look, young team on Tuesday.

They have been replaced by the Toulouse pair of Antoine Dupont, 22, and the 19-year-old Romain Ntamack, who rarely plays at fly-half with his club.

"I'm telling you it's not the case (that they are sanctioned)," Brunel told reporters. "Ask them, ask their team-mates."

"Given our performance (against England) we needed to change things, it's a sporting choice."

As a result, Yoann Huget shifts back to the wing after playing fullback in London and Gael Fickou is back at inside centre after playing at the wing.

Thomas Ramos, 23, will start at fullback and will be the main kicker in the absence of Parra and Lopez.

Ntamack, who started the opening game against Wales at centre, his usual club position, will have the playmaking responsibilities.

"We have been working on this with him," Brunel assured after naming his team two days ahead of schedule.

Asked if he was not showing his cards too early, Brunel replied: "After seeing our performance against England, Scotland must be pretty confident anyway."

Brunel however called on France to show their true colours at the Stade de France.

"We have to turn things around and show the real face of the France team," he said.
France have lost eight of their last nine matches.

Scotland, who have not win in Paris since 1999, started their campaign with a victory against Italy before losing to champions Ireland.