Mats Hummels (Borussia Dortmund)
Perhaps the finest all-round central defender on the planet, reports have suggested that van Gaal has lined up a January move for Borussia Dortmund star Mats Hummels, but the Red Devils may have some job persuading a player who is likely to have his pick of Europe’s biggest clubs that Old Trafford is the right destination for the World Cup winner.