Arsenal manager Arsene Wenger has talked up the qualities of Chelsea striker Diego Costa ahead of Saturday's Premier League meeting between the two sides. The 27-year-old has a chequered past against the Gunners having played a part in red cards for both Gabriel Paulista and Per Mertesacker last season, while also scoring the winning goal at the Emirates. Costa has been criticised for his off-the-ball behaviour, but Wenger warned that he can still be a massive threat to his side and called on his players to be "cold-blooded" in dealing with the striker. "I like him as a player. I like the qualities of the player but all the rest around is not needed. He is a fighter and you...
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