Curbishley has already brought in midfielder Scott Parker from Newcastle for £7million and the former Charlton boss is being linked with a host of other names.
"I am not saying I will sign 11 players and move everyone out. We have a strong squad here when they are all fit," he said. "If there are players who can improve us, we will try to get them. If I can add to the squad I will but if nothing else happens until we kick off, I have a lot to work with."
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