Unai Emery has found himself suffering a headache for selection of late at Aston Villa, with Lucas Digne and Alex Moreno both fighting for the starting spot at left-back however, some frailties in Moreno’s game have been identified. For all of the injuries that Aston Villa have faced this season, Unai Emery is still having to roll the dice over one positional selection. While the Villans have been starved of both central and right-sided defenders throughout the campaign due to key absences, the manager has two evenly-matched left-backs wanting game time. Both Lucas Digne and Alex Moreno have s…