But the Catalan football giants face competition for the 19-year-old midfielder's signature from a host of other European clubs including Sporting Lisbon, Xinhua news agency reported.
Wendel has made 24 first-team appearances for Fluminense since being promoted from the Brazilian Serie A club's youth academy in January, the Uol news portal said.
Barcelona's reported interest in the Brazilian comes less than a week after they signed defender Marlon Santos from Fluminense on a permanent deal.
Santos arrived on a year-long loan in July last year and made three appearances for the first team after impressing for Barcelona's B side.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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