Werder Bremen have no intention to sell Niclas Füllkrug in the January transfer window and firmly believe that the Germany striker will stay at the Bundesliga club. Füllkrug, 29, made headlines when he scored twice at the World Cup in Qatar in Germany’s group stage exit, and a recent change of his agent is said to have raised speculation he may want to move elsewhere from the promoted mid-table club. But Bremen’s managing director for Sport Frank Baumann told Wednesday’s edition of the Sport Bild weekly they don’t want to let their season top scorer with 10 goals leave, at least in January. “A…