"(Fernando) Torres is improving a lot. He wants to play," Benitez said. "I was talking with him before and he said 'If you want, I will be available'.
"It could be a small risk, but we need to check with the physio.
"Harry Kewell is training, Xabi Alonso is running, (Dirk) Kuyt is running also, but (Dan) Agger will be more difficult.
"We need to wait and see. Maybe we will need to use one, but not all because we have two more important games after the derby."