Luis Suarez scored twice, Antoine Griezmann netted his first goal for Barcelona and the Lionel Messi-less Spanish side ripped Napoli 4-0 Saturday in its final La Liga season tuneup.
Neymar left Barca in a world record move to Paris Saint-Germain in 2017 but has been persistently linked to a possible return to the Camp Nou.
Luis Suarez cried as he bid farewell to Barcelona on Thursday but said he wants to prove he can still deliver at the highest level after joining La Liga rivals Atletico Madrid.
Barcelona have kept Lionel Messi, discarded Luis Suarez and hired Ronald Koeman but the new era begins against Villarreal on Sunday when change must bring results.
Barcelona coach Ronald Koeman has said he has no concerns about Lionel Messi ahead of their first La Liga game of the season on Sunday, after the Argentinian took another swipe at the club over the departure of Luis Suarez.