Kasey Keller is still able to remember the expression of horror from his psychology tutor at the University of Portland.
It was 1992 and he was a young American college graduate about to embark on a professional football career in Europe. 'I had this Scottish professor and I had to ask him to take the final exam early because I was going over to England to go on trial,' recalls Keller.
'He asked: 'Where are you going?' I said: 'Oh, I'm going to Millwall.' And the look on his face I remember to this day. 'They kill people there!