Enzo Maresca has said that Chelsea's form has "100%" been affected by transfer speculation, claiming some of his players may not have been fully focussed.

Several Chelsea players have been the subject of speculation in the January transfer window, which is impacting the club's form, manager Enzo Maresca said on Friday ahead of a Premier League meeting with West Ham United.

Enzo Maresca says transfer speculation has "100 percent" contributed to Chelsea's mid-season slump, predicting there will be comings and goings in the final days of the January window.The Chelsea manager said he was anticipating movement in the final days of the transfer window,

Enzo Maresca believes January transfer speculation around his Chelsea players has “100 per cent” played a part in midseason slump. The Blues have slipped from the brink of title contention into a scrap for the European places across the course of a dismal run of form since the middle of last month.

We’re into the fun part of the transfer window now – not a day goes by without some pretty significant Chelsea news.At this stage it’s pretty mundane for the most part – a lot of shuffling

Robert Sanchez has made two high-profile errors in a week for Chelsea, but the Blues will not be signing a new goalkeeper in the January transfer window to replace him