The Ghanaian thought he had received a second yellow card in a fractious second period, but it turned out that John Terry was being cautioned for dissent by referee Rob Styles.
Mourinho said: "Michael was honestly very frightened, he thought he had been booked again. The referee then explained that he had only booked one player, John Terry, but Essien stood there for a long time and he said afterwards that he believed he had been cautioned again."
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