Will Arsenal sign a striker? Can Liverpool spend big? Who can re-ignite Manchester United's season?
Kevin De Bruyne, Cesar Azpilicueta, Michael Essien, Kenneth Omeruo and Bertrand Traore could all leave this winter.
Tiago Ilori, Iago Aspas, Brad Jones, Joao Teixeira and Sebastian Coates may need a January switch.
Emmanuel Frimpong, Thomas Vermaelen, Park Chu-Young, Ryo Miyaichi and Nacho Monreal may consider their options in January.
Manchester United need to buy a right-back to cover Rafael da Silva effectively when he is out of action.
Tottenham Hostpur manager Andre Villas-Boas could be set to spend again in January, with a new left back top of his list of targets