Coloccini was inspirational at the heart of the defence and reckons a flexible playing style has been the key to United's recent success.
"Another clean sheet was very important - massive," the captain told nufc.co.uk.
"We were playing against a big team and so to keep a clean sheet against a team like Manchester United means we are working hard for each other.
"After the mistakes of last year I think we have learned a lot away from home. We now know when we can play and when we have to be a bit more direct.
"If you stop to think, the goal came from a long ball from Tim to Moussa, and sometimes you need to play like that.
"We want to keep the ball all the time but sometimes you have to change it and you also have to fight."
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