Juan Mata's imminent transfer to Manchester United will be the biggest story of the window so far, but can Chelsea go one better?
With £37 million about to blow up the Blues' bank a world-class replacement for the Spanish star must be on the cards.
Although with only a week left in the January transfer window, is there enough time for Chelsea to strike another mammoth deal?
Nevertheless, we've created the top five list of potential Mata replacements and want to ask you who you think Chelsea should sign before the window shuts on February 1.
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