Bruce has already signed Fabrice Muamba, Stuart Parnaby, Garry O´Connor and Olivier Kapo since gaining promotion in May, but the Blues manager is aware he needs to further strengthen with Mathieu Flamini, Paul Konchesky and Daniel De Ridder amongst his targets.
Bruce told the Birmingham Mail: "It´s been a busy summer so far, and it could get busier. We´re all delighted with the signings we´ve made so far and there are plenty of other irons in the fire. I still want possibly four or five more to come in to strengthen us, on top of what we have already got."
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