The Scots are the only team to have failed to record a single point in this year's tournament after two games.
Edinburgh have managed to stage a mini-revival in the Pro12 and will be looking to put behind them the agony of Scotland's current plight in the Test arena after the resignation of national coach Andy Robinson.
Paris-based Racing Metro 92 have slim hopes of reaching this season's quarter-finals but if they do have such ambitions they have to put their Scottish visitors to the sword in emphatic fashion.
• Edinburgh are the only team yet to register a point in this year's tournament.
• Edinburgh have lost 11 lineouts on their own throw so far this season and have a success rate of just 68%, the worst figures in the tournament.
• Racing Metro's 7.5 penalties conceded per game is a tournament low this season.
• Racing Metro are one of four teams to have won all of their scrums at their own put in so far this term.