Antoine Griezmann (second right) opened the scoring with the goal of the game
Barcelona are favourites to finish top of Group G as they maintained their 100% start to the Champions League with a comfortable win at Ferencvaros.
The Catalan giants will ensure they win the group with a point against Juventus next week.
Coach Ronald Koeman made five changes to the XI that started in Sunday's win over Osasuna, which included resting Lionel Messi.
However, the 33-year-old's influential presence was not missed as Barca all but sealed victory by scoring three goals in the first 28 minutes.
Antoine Griezmann gave the visitors the lead with a deft backheel after fellow Frenchman Ousmane Dembele and Spanish left-back Jordi Alba had pierced the defence with good combination play on the left.
Dembele rampaged down the wing again for the second goal, delivering a low cross for Denmark forward Martin Braithwaite to poke in his fourth goal in the past three matches.
The French winger then added the third goal from the spot after Braithwaite had been fouled in the area by Abraham Frimpong.
"We played very well, we scored some great goals and I'm very happy with how we played, especially in the first half," said Barca boss Koeman.
"You can see that we have a great squad as we were able to rest various players and the ones who played today showed that there's a lot of competition, particularly in attack."
- Reaction to Wednesday's Champions League games
- Line-upsMatch StatsLive Text
Line-upsFerencvárosi TC
- 90Dibusz21Botka25Blazic5Frimpong33Dvali26HeisterSubstituted forLovrencsicsat 64'minutes88da Silva Barbosa18SigérBooked at 28minsSubstituted forLaidouniat 64'minutes7do Rosário CalmonSubstituted forKharatinat 81'minutes77UzuniSubstituted forBaturinaat 71'minutes10Chol NguenSubstituted forMakat 71'minutes
Substitutes
- 8Lovrencsics14Kharatin15Kovacevic20Mak22Baturina29Szecsi53Csontos62Ori70Boli93Laidouni
Barcelona
- 13Murara Neto2Dest28Mingueza15LengletSubstituted forAleñáat 65'minutes18AlbaSubstituted forFirpoat 45'minutes8Pjanic5BusquetsBooked at 30minsSubstituted forde Jongat 45'minutes17Machado TrincãoBooked at 70mins7GriezmannBooked at 53minsSubstituted forPuigat 65'minutes11Dembélé9BraithwaiteSubstituted forDe la Fuenteat 80'minutes
Substitutes
- 6Aleñá12Puig16González19Fernandes Siqueira21de Jong24Firpo26Peña29De la Fuente36Tenas
Referee:Aleksey KulbakovMatch StatsHome TeamFerencvárosi TCAway TeamBarcelonaPossessionHome37%Away63%ShotsHome10Away19Shots on TargetHome2Away5CornersHome5Away0FoulsHome10Away13Live TextPost update
Match ends, Ferencvárosi TC 0, Barcelona 3.
90'+4'Full Time
Second Half ends, Ferencvárosi TC 0, Barcelona 3.
90'+3'Post update
Attempt missed. Ousmane Dembélé (Barcelona) right footed shot from the right side of the box is close, but misses to the right. Assisted by Riqui Puig.
90'+2'Post update
Offside, Ferencvárosi TC. Aïssa Bilal Laidouni tries a through ball, but Robert Mak is caught offside.
90'+2'Post update
Attempt missed. Robert Mak (Ferencvárosi TC) right footed shot from the left side of the box is close, but misses to the left.
90'+1'Post update
Attempt missed. Carles Aleñá (Barcelona) left footed shot from outside the box is too high. Assisted by Riqui Puig.
90'+1'Post update
Foul by Óscar Mingueza (Barcelona).
90'+1'Post update
Roko Baturina (Ferencvárosi TC) wins a free kick on the left wing.
89'Post update
Carles Aleñá (Barcelona) wins a free kick in the defensive half.
89'Post update
Foul by Roko Baturina (Ferencvárosi TC).
88'Post update
Corner, Ferencvárosi TC. Conceded by Carles Aleñá.
88'Post update
Attempt blocked. Ihor Kharatin (Ferencvárosi TC) right footed shot from the centre of the box is blocked. Assisted by Miha Blazic.
88'Post update
Attempt blocked. Ihor Kharatin (Ferencvárosi TC) right footed shot from the centre of the box is blocked.
88'Post update
Attempt blocked. Miha Blazic (Ferencvárosi TC) right footed shot from the centre of the box is blocked.
88'Post update
Foul by Miralem Pjanic (Barcelona).
88'Post update
Aïssa Bilal Laidouni (Ferencvárosi TC) wins a free kick in the attacking half.
86'Post update
Foul by Konrad De la Fuente (Barcelona).
86'Post update
Endre Botka (Ferencvárosi TC) wins a free kick in the defensive half.
85'Post update
Corner, Ferencvárosi TC. Conceded by Sergiño Dest.
84'Post update
Foul by Miralem Pjanic (Barcelona).
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Source: bbc.com