The defenders the Red Devils are eyeing up in the New Year.
Manchester United manager Louis van Gaal has been forced to call up youngsters Paddy McNair and Tom Thorpe to his first team squad for the Premier League clash with West Ham United.
Many are saying that the Dutchman needs to target new centre-backs in the January transfer window and here are five stars in their wishlist.
Mats Hummels, Borussia Dortmund
The Dortmund captain played a big part in Germany winning the 2014 World Cup and the 25-year-old certainly possesses world-class ability, but whether United could tempt him to Old Trafford is another matter.