Netherlands boss Ronald Koeman has a clause in his contract allowing him to move to Barcelona, though Dutch football chiefs hope to persuade to him to stay until the 2022 World Cup.
Koeman made 264 appearances in six seasons at Camp Nou during his stellar playing career.
He won 10 major honours in that time, including scoring the winning goal against Sampdoria in the 1992 European Cup final at Wembley.
Editors' Picks
Shortly after retiring, the 56-year-old spent two years as Barca assistant to Louis van Gaal between 1998 and 2000, but has made no secret of his desire to return to the club as manager one day.