'Villa's summer has only created uncertainty'

[BBC][Getty Images]Can Unai Emery continue to work wonders at Aston Villa?The Spaniard has taken Villa to new heights in his three and a half years in charge, culminating in May's Europa League triumph.But with Villa stripped of some of their stars and increasing doubts over the future of others, it would be another monumental achievement from Emery to maintain Villa's top-four status.Ezri Konsa, Ollie Watkins and Emi Martinez could all potentially follow Morgan Rogers, Youri Tielemans and Lucas