Vladimir Coufal is unhappy at West Ham United and as a result, David Moyes could look to bring in a new right-back in January. West Ham right-back Vladimir Coufal was recently handed a one-year contract extension – but the 31-year-old is unhappy because he thinks he’s deserving of a longer term deal. Hammers boss David Moyes already has so much work to do in the January transfer window this month, and if we’re being honest, the addition of a new right-back can probably wait until the summer. That decision may well be taken out of the Scot’s hands it seems though. Coufal’s unhappiness at the Lo…