The Blues have suddenly become extremely active in the final few hours of the January transfer window, with numerous players being lined to a move to the Premier League leaders and The Hard Tackle attempts to bring you come of the major transfer news and updates surrounding Stamford Bridge

The 20-year-old winger has emerged as the Bundesliga's most promising young attacking talent and has been rewarded for his excellent 2015-16 season by being given a spot in Germany's Euro 2016 squad. Although Manchester United are reported to be interested in his signature, rivals Manchester City have made the first concrete move to bring him to England.