Just before half-time, David Luiz was guilty of an awful challenge on Marouane Fellaini, planting his studs in to the Manchester United’s man knee.

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However, referee Martin Atkinson, who has a reputation for making costly errors in Chelsea’s favour when playing against United, failed to send him off. Atkinson had a clear view of the foul but bottled it. Among all the poor decisions Atkinson has made against United, this is incredibly the second time he’s failed to send off Luiz against United.