On one hand, some are on the referee's side, claiming Barcelona put on an excellent performance and earned a well-deserved victory, with no involvement from Aytekin.
On the other, some think that, despite Barcelona's great game, Luis Enrique's team could not have achieved the comeback with no help from the German.
You can follow our live debate and vote on our Facebook page. Press 'Like' if you think Barcelona accomplished the comeback with no help from the referee or 'Love' if you think the Catalans were favoured by Aytekin.