United undone by late Mata winner
The drabbest of affairs seemed certain to end in a goalless stalemate until Mata's shot flicked off Phil Jones and crept in at the far post. United thought they should have had a free-kick earlier in the move and their frustrations boiled over as Rafael was sent off in the final minute for chopping down David Luiz.
The result means victory for Chelsea against Tottenham at Stamford Bridge on Wednesday will seal a top-four spot thanks to their superior goal difference.
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