Aston Villa have been one of the biggest spenders in Europe this summer, with only Chelsea and Atletico Madrid spending more than the Villians. The arrivals of Amadou Onana, Ian Maatsen and Samuel Iling-Junior have been huge additions for Unai Emery’s side, with Villa also selling quite the array of stars in Moussa Diaby, Douglas Luiz and Tim Iroegbunam. With Raheem Sterling now a target for Villa, it’s clear that more could be spent in the market for the Villa Park side, who this season will want to challenge again for top-four as well as compete in the UEFA Champions League. Yet Villa could …