The Control Committee of the German Football Association (DFB) has initiated a preliminary investigation against Kerem Demirbay from Bundesliga club Bayer Leverkusen because of its statements about referee Felix Brych. The midfielder had said after the 2-0 on Sunday at the VfL Wolfsburg in a TV interview over the impartial: “The referee is so on the sack. That’s madness. I hope that in the future is not that frequent for us whistles. ” Demirbay was initially invited by the control committee to an opinion. As soon as they have been decided on the further procedure, the DFB announced on Monday.