FC Barcelona is a football club.
FC Barcelona . Barcelona is one of three founding members of the Primera División that have never been relegated from the top division , along with Athletic Bilbao and Real Madrid . Lionel Andrés `` Leo '' Messi ( [ ljoˈnel anˈdɾes ˈmesi ] ; born 24 June 1987 ) is an Argentine professional footballer who plays as a forward for Spanish club FC Barcelona and the Argentina national team . Several association football clubs succeed in playing at the highest level without being relegated from their domestic league .