Aston Villa endured a pretty difficult pre-season ahead of their Premier League opener against West Ham United on Saturday evening. Unai Emery has a lot of issues to resolve, including whether new boy Kosta Nedeljkovic will start at right-back against the Hammers. Despite the team’s dismal displays, Nedeljkovic was probably Villa’s best player in pre-season and now he is ready to showcase his worth on the Premier League stage. The 18-year-old joined the club in January from Red Star Belgrade, but returned on loan before being part of Aston Villa’s pre-season plans this summer. Nedeljkovic has …