The 19-year-old has been linked with a return to Germany after spending last season at Borussia Monchengladbach.
With Jonny Evans looking set for a summer transfer to Manchester City, who could West Brom bring in in defence as they prepare for life in the Championship?
HITC Sport understands Huddersfield Town defender Martin Cranie is set to join Middlesbrough.
Scott Malone has done the rounds in terms of gaining experience in the Championship, but now that he has his break in the Premier League can he make the grade at Huddersfield?
Ian Holloway looks to have identified the Aston Villa striker for the London Club.
West Brom were reportedly interested in signing Sakho in the summer, and may renew their efforts.
While Liverpool have made more signings of late to bolster the starting XI, there is still that vision for the future.
Manchester United's Memphis Depay is reportedly surplus to requirements at Old Trafford, and West Ham United should consider making a move.
Norwich City's defence will be a key area of concern for Alex Neil, and they should consider a move for West Ham United youngster Reece Oxford in January.
The jury is still out on Tottenham Hotspur star Erik Lamela, despite his recent improvement.