Antoine Griezmann struck for the 3rd game running seeing that Barcelona beat Ferencvaros 3-0 on Wednesday to keep their completely record intact found in this season's Champions League group stage.
Ronald Koeman again rested Lionel Messi with qualification going back 16 already assured, and Barca managed to get five wins from five found in Group G with an extraordinary performance in Budapest.
France striker Griezmann offers struggled to find his best web form since signing up for from Atletico Madrid almost 1 . 5 years ago, however the 29-year-good old looks belatedly to be striking his stride under Koeman.
While Barca lag 10 points off the tempo in Spain, albeit with games in hand, the Catalans may complete an ideal group-stage plan for the first time since 2002-03 with victory at home to Juventus in a few days.
Despite the absence of Messi, goalkeeper Marc-Andre ter Stegen, Philippe Coutinho and injured pair Gerard Pique and Ansu Fati, a heavily rotated Barca ripped the Hungarian champions apart in the opening half-hour.
Griezmann's clever back-heel flick from a good Jordi Alba cross place the visitors on the way 14 minutes right into a freezing night in the Puskas Arena.
Martin Braithwaite in the near future poked in a second from an identical position following an Ousmane Dembele aid, capping a 33-pass move with his fourth objective in three games.
Dembele crashed home a penalty after Braithwaite was upended by Abraham Frimpong, with Koeman withdrawing Alba and Sergio Busquets at half-time and giving some playing period to youngsters Carles Alena, Riqui Puig and Konrad de la Fuente.