Vidic rated the 3-1 win their best performance of the season.
"I was really pleased with Robin (van Persie) and Wayne (Rooney)," he told MUTV. "In the first 30 minutes they played terrific football and we need them to keep doing that. Their movement was terrific; they got a goal each and set up the other for Antonio. It was a good sign for us and for the team.
"I would say so," he added, when asked if it was the United's most impressive display of the season. "We did really well in the first 20 minutes and passed the ball well. We dropped off a bit after 30 minutes and probably thought the game was over. Overall, there were lots of positives for us and also areas in which we can improve."
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