Celtic’s Champions League defeat at Borussia Dortmund is still being felt by the fans as the pain of a 7-1 defeat still sinks in. After making such a positive start to the domestic season Dortmund taught Brendan Rodgers’ side a harsh lesson against one of the best teams in Europe on Tuesday night. And whilst the fans try and delete the memory of the game from their minds, Arne Engels has shared how he is really feeling at Celtic after experiencing such a heavy defeat. Arne Engels: Celtic is still ‘everything I hoped for’ even after Borussia Dortmund defeatThe Belgian international has been in …