Newcastle boss Alan Pardew says he may enter the transfer market and try to land a defender after Ryan Taylor was injured in the win over Atromitos.
The victory was marred by Taylor's serious looking knee injury early in the game.
Pardew admits if Taylor faces a lengthy lay-off he may be forced into a late move to bring in some defensive cover.
"I fear that the news isn't going to be good on that injury, if I am honest, which is a shame because he is an important player for us. We will have to wait and see," said Pardew.
"The Ryan Taylor injury will make me think about whether we perhaps need another defender. I shall go to see the chairman and have a discussion with him."