Les Gones have lost two and drawn one of their past three away games in Ligue 1, while they lost at Le Mans in the Coupe de la Ligue a week and a half ago.
With second-placed Bordeaux coming up on the rails just three points behind, Perrin knows form on the road could be decisive, saying: "We must back up our win against Lorient last week. We have to take points away from home - it is what Bordeaux have just done - although this is a special context this weekend."
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