Dimitar Berbatov could be out for United through injury as they seek to take an away goal back to Old Trafford.
But Benedikt Howedes could be missing for Schalke as well as they hope to build an advantage before the return in Manchester.
Dimitar Berbatov could be out for United through injury as they seek to take an away goal back to Old Trafford.
But Benedikt Howedes could be missing for Schalke as well as they hope to build an advantage before the return in Manchester.
