Crystal Palace are signing £ 20m for Lyon, Joachim Andersen, who will return to the Premier League after being relegated to Fulham last season.Despite the Cottagers going to a second relegation in three seasons from top flight, their 25-year-old defender was an outstanding player in the backline. His determined displays caught the attention of the Eagles, who have launched a bid for the Danish midfielder.Andersen is close to completing a move to Fulham / Visionhaus / Getty ImagesAnd the Daily Mail reports that Andersen is…