Aue (dpa / sn) - Dirk Carlson leaves the second division relegated FC Erzgebirge Aue. The 24-year-old defender joins ADO Den Haag in the Netherlands on a free transfer. Carlson signed a two-year contract, as the second division club announced on Wednesday evening. The contract of the Luxembourg national football player in Saxony expired after the end of the season. Before moving to Aue, he played two seasons for Karlsruher SC. Last season, Carlson played 28 games for the Erzgebirge.