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Chelsea transfer news: Blues will consider Diego Costa swap deal, admits agent
CHELSEA could explore the option of swapping Diego Costa for Jackson Martinez, admits the Atletico Madrid striker's agent.
Jackson Martinez could be heading to Stamford Bridge
Costa has been linked with a return to Spain after a difficult second season in the Premier League.
He scored a Boxing Day double against Watford but prior to that had scored just three league goals this term.
And the Spain striker has come in for criticism from the Chelsea fans following Jose Mourinho's sacking.