Hughes scoffed at United's creativity on the day.
"In terms of what we produced and chances created, I felt we could have been 4-1 to the good with our first-half performance," he said.
"They didn't create much apart from the key moments. We deserved something. We had a game plan, it needed people to do the hard yards and affect the game.
"We took the game to United. If they are honest, they'd have to admit they were lucky to take all three points. Set-plays got them on level terms and then their winner was a stand-up cross."
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