"If we think we need to improve we will look at the right type and if we can manage to make it happen then we will do so."
Abbott has also refused to be drawn on speculation linking him with a number of possible transfer targets this month.
"I am not going to discuss any names that aren't hard and fast facts," he said. "We are looking all the time to improve the squad and that remains the situation.
"The people that start the rumours and the speculation can do what they want this month. But what I am going to talk about to our fans and our people is only players that have come into the football club that we have signed."
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