The referee looked aghast as Swansea were repelled on the edge of the United box.
As Liam Prenderville of the Mirror reports, it's not the first time Dean has reacted extravagantly to an on-pitch incident. Two years ago, he also seemed to celebrate a Louis Saha goal for Tottenham against Arsenal.
In any case, if even the referees are rooting for the away side at Old Trafford, there's not much hope for David Moyes and his men.
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