Ferenc Puskas scored 84 goals in 85 international matches for Hungary. He became an Olympic champion in 1952 and led his nation to the final of the 1954 World Cup where he was named the tournament's best player.
Barcelona were on the receiving end of a shock 1-0 defeat to Celta Vigo on Saturday night.
Luis Suarez - on his competitive Camp Nou debut - Neymar and Lionel Messi all failed to fire as a single goal from Jaoquin Larrivey proved enough to seal an unlikely three points for the underdogs.
Messi and Neymar hit the crossbar twice each on a puzzling night for Barca fans.