It's hardly been vintage Barcelona this season but with the firepower at their disposal, they still look well on course to win the league title.
Coutinho was the provider for that one and delivered a sparkling display to appease those doubting his future at the club.
Yellow cards: Enrich (Min. 42) for Eibar, Suarez (Min. 45) for Barcelona, Pique (Min. 70) for Barcelona. Much has been said of the void that will be left after Messi's exit, whenever that comes. Replacing him won't be easy either.
The third goal was simple, however, as Sergi Roberto took a quick throw and freed the scuttling Suarez. Subs - Vidal 5, Semedo 5, Dembele 7.
It seems odd to suggest that Philippe Coutinho is on the verge of leaving Barcelona considering he was made one of the most expensive players in football history by the Liga giants roughly 12 months ago.
Aside from the above, Neymar dropped away from the Ballon d'Or running and it is now accepted by the Brazil worldwide that he made a mistake in moving clubs.
Soon after, it was 3-0 as Eibar this time fell asleep.More news: Poland arrests employee of Chinese tech giant Huawei for spying for gov't
The visitors managed to keep Barcelona at bay, but it was only a matter of time before the Catalan side ran rampant, scoring two goals in six minutes.
Messi's dominance has not been confined to the league though, and in all competitions he has scored 575 goals. The Argentine did the rest by opening an angle around a defender and driving in a low left-footed shot.
57' Messi should score! .
Their displays have meant that Coutinho has been unable to nail down a position either in midfield or as part of the front three.
Along with Messi, striker Luis Suarez scored a brace to give the Blaugrana a comfortable victory, returning to winning ways after suffering a surprising defeat in the first leg of the Copa del Ray round of 16.