Norwich City boss David Wagner has explained the key reason why Middlesbrough have tumbled down the table in recent weeks, though he isn’t underestimating Michael Carrick’s men. Middlesbrough have taken just one win from their last seven Championship matches and defeat against Stoke City on Saturday saw Boro slip to just six points above the bottom three. In a congested second-tier table, there is no reason to panic just yet, but Michael Carrick would like to see his team get back on track sooner rather than later. Tomorrow night doesn’t look like the ideal time to get three points on the boar…