It’s play time for late-night Diego

CHELSEA’S stars got in the festive spirit when they enjoyed an official Christmas night out on Wednesday which ended with Diego Costa (above) and Co leaving the Libertine nightclub in London at 3.15am. But it was back to work at midday yesterday when Costa (below right) and Oscar joined the other players in a training session at their Cobham headquarters to prepare for tomorrow evening’s vital Barclays Premier League match against Bournemouth.mouth.