John Mensah is injury prone Ghanaian central defender John Mensah will be unavailable for his French club Lyon for several weeks with a torn groin muscle.
He suffered the injury following the French League 2-2 draw against Lille on Saturday night.
Mensah, who went off in the 80th minute, had groin problems during the summer.
He missed Lyon 's first few matches of the season because of that injury.
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