I've you were to use regression analysis or a probability model, it would seem that Celtic losing 2-0 away in the first leg of a European tie is actually more likely to result in us going through than a 2-1 defeat (Partizan hock-too) http://www.hailhailmedia.com/2-0-and-you-fluffed-it-up/ I was at the Cologne game - that makes me feel old.