Redknapp has already been linked with a lengthening list of potential transfer targets with onlookers anticipating a January spending spree, but in the meantime, he is concentrating only on the players he inherited from predecessor Mark Hughes.
He said: "You can only work with what you have got, can't you? I can't pluck anyone out of the air at the moment.
"You can't bring anybody in, you have just got to get the best out of the players who are here.
"It was a good point. We worked hard in training yesterday on how we were going to play, and I thought we got the best out of what we had, and you can't do anymore than that."