"I was talking with him this morning. He is comfortable training in trainers but has had some problems with his boots. They are producing some news boots for him and I'm sure they will help him," said Rafael Benitez.
"It will be impossible for him to be fit for this week, but he may be back for next week if he is comfortable with the new boots.
"We don't want to put a date on it. We just want to see how he progresses.
"But I don't think he'll be out for weeks. He can run and can kick the ball, but with the boots he felt something. He is training and doing more or less everything in terms of physical."
