LOUIS VAN GAAL admitted after last night's pre-season victory over Liverpool that it will not be easy to sign the players he thinks are needed to improve Manchester United.

United landed back home yesterday, unbeaten in pre-season against a series of top clubs, but Van Gaal warned supporters that new signings will not be flooding in.

"Manchester United shall buy players when we can improve our selection," he said. "And that is a lot more difficult than you think."

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