Sir Alex Ferguson sends Manchester United into battle on Monday knowing he is attempting to condemn Manchester City fans to the worst day of their lives.

Ferguson has opted to take United out of Manchester for the build-up, instead heading to South Wales at a bolt hole near Cardiff to escape the attention. He knows how many cameras are going to be lurking, trying to get a thought or a prediction about what he has already stated will be the biggest Manchester derby ever.

"It means everything to a supporter. It is everything," said Ferguson. "For both sets of supporters, going to work on Tuesday will be the most important day of their lives. People have been brought up to be what they are through their fathers and their grandfathers and grandmothers. You can't change a family's traits."

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