It was the first matchday in the Spanish league since the outpouring of support for Vinícius Júnior following the latest case of racial abuse against the Real Madrid star forward on the weekend.
The 22-year-old Vinícius Jr, who is Black, has been subjected to racist abuse since moving to Spain five years ago.
The Spanish La Liga title was secured by Barcelona with four rounds remaining and two years after Lionel Messi left amid the club’s financial struggles.
Raphinha scored a first-half winner for Barcelona against Valencia, which missed a penalty from Ferran Torres early in the second half and then saw defender Ronald Araujo sent off.
Jordi Alba, Gavi and Raphinha scored a goal each in the second half to give Barcelona their fifth straight victory in the league. The last game Barcelona failed to win was a 1-1 league draw against Espanyol last year.
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Ousmane Dembélé scored in the first half and Barcelona held on for their first league win of the year. Dembélé scored with a low shot from close range after a set up by Gavi Páez.