What's wrong with a game of cards amongst footballers? If you have read the extracts from Kieron Dyer's new book this week, I'd say your instant answer would be 'plenty'.
I can't comment about what happened at Euro 2004 as I wasn't an England player for that tournament in Portugal, but I know a few things about the card schools that were in operation at the World Cups in 2006 and 2010. I should do — I was always in the middle of them.
Cards are something I have loved ever since I was a kid.