Playing with four centre - backs may not be proving out to be ideal for an expansive football playing team like Arsenal .
Few would disagree that Arsenal is the lack of adequate firepower upfront that is more of an obstacle at the moment .
Playing with four centre - backs may not be proving out to be ideal for an expansive football playing team like Arsenal , but few would disagree that it is the lack of adequate firepower upfront that is more of an obstacle at the moment .