"I do believe it's a difficult time and I won't just bring people in for the sake of it, but if somebody is there who can improve us and make us better, obviously we'll act."
He added: "I was very impressed with him. It was fortunate that Mr Wenger gave me a call about the player and I took him to Birmingham on loan.
"I was impressed with him, so much so that I gave him his debut at Liverpool and I thought he had a big future.
"Obviously, there was a change of manager, who has obviously not seen enough of him. That has opened the door for us a little bit and I'm pleasantly surprised it's happened.
"He will be a decent acquisition if we can pull it off."