With only a few days left to go in the January transfer window, it's fair to say a number of Europe's top clubs have left themselves a lot to do.
From the Premier League to the Bundesliga to Serie A and back again, there are title contenders and Champions League juggernauts who will be scrabbling around to find the final missing pieces their season may rely upon.
Here, we highlight a few of these clubs and discuss what it is they still need to do.
Wherever you stand on Kai Havertz as a No.