Aston Villa lost to Borussia Dortmund on Saturday afternoon in their final pre-season friendly before the Premier League restarts. Unai Emery has a lot to take from Aston Villa’s pre-season schedule as his side suffered four losses from seven friendlies this summer. Pre-season is a time for trial and error, with the boss now better equipped to learn what his squad require before the competitive action restarts. On Saturday, Villa lost their final friendly of the summer against Borussia Dortmund, a fixture that saw one theme continue ahead of the Premier League opener versus West Ham. READ MORE…