GETTY Diego Costa scored the winner against West Ham last night

The Spaniard is well known for his fiery temperament and is no stranger to seeing his name go into the referee's book. In Chelsea's 2-1 win over West Ham last night, Costa took just 19 minutes to receive a yellow card for dissent. Under new Premier League rules, a referee has the right to produce a player with a booking if they speak aggressively towards them or for complaining about decisions.

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Costa was then lucky to avoid being given his marching orders in the second half after he made a studs-up challenge on West Ham goalkeeper Adrian. And after the match the striker voiced his frustration at feeling unfairly treated. He told ESPN Brazil: “I am aware of it now. The second time I went to talk to him, he showed me [the yellow card]. I even found it a bit weird, but then I understood. I went to apologise at half-time and that’s it.