South African midfielder Keagan Dolly will be sidelined for several months after breaking his leg in Saturday's draw with RC Strasbourg Alsace.
The 25-year-old, who was making only his second start of the Ligue 1 Conforama season, was injured just six minutes into the game in a challenge with Strasbourg's Jérémy Grimm.
He was replaced by Damien Le Tallec, who scored his team's goal in the 1-1 draw.
