“If you can play at Celtic park you can play anywhere,” Arne Engels

Celtic’s record signing Arne Engels knows all about playing his football in Dortmund, having made his debut for Augsburg in a 4-3 defeat in the iconic Westfalenstadion The £11m Celtic star reckons that despite the unbelievable atmosphere created by the famous Dortmund yellow wall, no Celtic player should be too concerned about facing that...