Manchester United target Marco Reus may follow Marc-Andre ter Stegen to Barcelona this summer, [football] direct news understands.It is one of football’s worst kept secrets heading into this summer that German keeper Marc-Andre ter Stegen will join Barcelona and following him to the Nou Camp could be former team-mate and Borussia Dortmund star Marco Reus.Reus has recently instructed his agents to inform the Catalan club of his ambitions to play in La Liga for them and [FDN] have understood that club officials are keen to bring the winger in.Barca see Reus’ possible arrival as an important factor in Ter Stegen’s adaptation to life in Catalonia and they will look to make a summer move.Former team-mates at Borussia Monchengladbach, Reus and Ter Stegen have remained good friends and often meet up when on international duty with the German national side.Both have been in superb form this season for their respective clubs and Reus has gained heavy interest from the likes of Chelsea, Manchester United and Arsenal.