Twelve players have been added to the Scotland squad preparing for Saturday’s RBS 6 Nations Championship match against Wales in Cardiff.Supplementing the 22 who were on duty for yesterday’s 9-18 loss to France are Mike Blair, Ben Cairns, Nick De Luca and Jim Hamilton (all Edinburgh), Dougie Hall, Ruaridh Jackson and Dan Parks (Glasgow Warriors), Scott Gray and Euan Murray (Northampton Saints), Simon Danielli (Ulster), Rory Lamont (Toulon) and Nikki Walker (Ospreys).   Those who played in yesterday’s game were involved in recovery protocols today. Scotland team doctor James Robson said he would be monitoring the progress of the following players who sustained knocks in the French match: John Beattie (hip bruising), Kelly Brown (shoulder strain), Thom Evans (calf bruising), Nathan Hines (calf strain), Graeme Morrison (leg bruising) and Chris Paterson (calf bruising).The Scotland team to play Wales is due to be announced at 11.30am tomorrow (Tuesday 9 February).