The January transfer window represents an opportunity for teams in the Premier League to bring in new recruits in order to give them a boost for the second half of the season, but it also gives other teams the chance to poach players too, so it can be a very hectic time of year for managers. Whilst some great deals have been completed in Januarys of the past, some absolute shockers have gone through too. We’ve taken a look back at some of the best and worst signings made in the month-long window in years gone by.