Herrera (hamstring) has been ruled out for multiple weeks, according to manager Jose Mourinho. "Ander Herrera is out. I don't know how long for - two, three, four, five, six weeks - I don't know, but a few weeks for sure."
Sterling is facing a late fitness test for Sunday's League Cup Final against Arsenal. "Sterling has a muscle problem," manager Pep Guardiola said. "He had it against Basel. I don't know if he will be ready."