Cologne captain Jonas Hector is "doing well" after a suspected concussion and being substituted early against Schalke on Sunday, the Bundesliga team said.
According to the club on Monday, Hector completed a regeneration programme. The defender was substituted at half-time with suspected concussion having vomited
Forward Davie Selke, meanwhile, will undergo an MRI scan after suffering an apparent ankle injury during the game.
