Transfer interest is building around Julian Ryerson, with Newcastle understood to be weighing-up a move for the Dortmund defender. While there has been no official bid as yet, the club may act swiftly if they decide to pursue the deal before the transfer window slams shut. Man Utd, Liverpool and Barcelona have not withdrawn their interest and could still influence the outcome. Defensively, Newcastle are sitting around the league average this season, at 1.42 goals conceded per game. Someone like Julian Ryerson could keep them steady but also raise the level when it matters most. Alongside this, Dortmund are said to be exploring Ramon Hendriks and Aaron Anselmino with Newcastle likewise connected to Omari Hutchinson, Lorenzo Pellegrini and Michael Olabode Kayode. More on this story as it develops. Need more Newcastle transfer rumours? Follow @PlayerSwitchCom on Twitter for up-to-the-minute news from Newcastle.