Unai Emery enjoying challenge of solving Arsenal's attacking puzzle

Building a functioning attack out of Arsenal’s intriguing mismatch of forwards would be enough to give any manager sleepless nights.Luckily for the Gunners, Unai Emery is relishing the challenge of fitting his frontline together.Arsenal’s strike force is blessed with exceptional talent but its makeup belies the cobbling together that passed for squad building in north London prior to Emery’s appointment.