West Ham United are being linked with a shock move to sign a Real Madrid star in the January window. The upcoming January transfer window will be a vitally important one for West Ham United manager David Moyes. The Hammers need to make some reinforcements this winter, if we are to maintain our fine start to the season during the second half of the campaign. Moyes needs more competition in the attacking midfield and left wing department, and it seems as though he’s being hugely ambitious with his latest transfer target. Real Madrid midfield star Brahim Diaz is believed to be on the West Ham rad…