We are already past the first week of the midseason business period for European soccer clubs, but when is transfer deadline day?

The number of clubs yoyoing between the top and second tiers of English football has never been higher, leading some to speculate that the Premier League is all but a closed shop now, but is this the case?

The January transfer window is official open, giving all 20 Premier League clubs the chance to bolster their squads for the second half of the season. The winter transfer window promises exciting, unpredictable signings and departures across the English top-flight.