Arsenal defender Gabriel Paulista squares off with Chelsea striker Diego Costa.
Arsenal defender Gabriel Paulista squares off with Chelsea striker Diego Costa.
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Costa's former Chelsea teammate Petr Cech tries to separate the two players.
Costa's former Chelsea teammate Petr Cech tries to separate the two players.
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Costa is shown a yellow card by referee Mike Dean, who sent off Paulista for retaliating against the Spain striker.
Costa is shown a yellow card by referee Mike Dean, who sent off Paulista for retaliating against the Spain striker.
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Chelsea manager Jose Mourinho said his team should have been earlier awarded a penalty when Paulista brought down Eden Hazard.
Chelsea manager Jose Mourinho said his team should have been earlier awarded a penalty when Paulista brought down Eden Hazard.
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Defender Kurt Zouma (R) heads Chelsea's opening goal in the 53rd minute.
Defender Kurt Zouma (R) heads Chelsea's opening goal in the 53rd minute.
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Arsenal also had midfielder Santi Cazorla sent off before Hazard's late goal sealed a 2-0 win at Stamford Bridge.
Arsenal also had midfielder Santi Cazorla sent off before Hazard's late goal sealed a 2-0 win at Stamford Bridge.
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