By Ewan Murray Aston Villa are aiming to continue their hugely impressive start to the season when they host Italian side Bologna in the Champions League on Tuesday night. Unai Emery’s side have lost just once this term – a 2-0 defeat to Arsenal in the Premier League – and have shown their worth in the Champions League with victories over Young Boys and Bayern Munich. The Midlands club are currently sixth in the league phase table and will want to make it a third successive European win on Tuesday. Bologna upset the odds to qualify for the Champions League but have endured a tough start to the…