I believe that it was definitely difficult to sign defenders in this transfer window especially with those greedy managers out there. (justarsenal.com)
But he was very confident about signing a defender when asked if he was expecting a new arrival. (justarsenal.com)
The Dutch manager has identified signing a defender as a priority and would prefer a player he has worked with before in order to reduce the settling in period. (caughtoffside.com)