The announcement came less than a week after Gremio lost 1-0 to Real Madrid in the final of the FIFA Club World Cup, reports Xinhua news agency.
"You can be sure that I will always cherish the good times," the former Guangzhou Evergrande player said in an Instagram post. "Gremio will be with me always. I'm very proud to have been a part of the club's history."
Barrios scored 18 goals in 44 appearances for Gremio after joining the Porto Alegre outfit from their Brazilian rivals Palmeiras in February.
He was an integral part of the team which last month won the Copa Libertadores title -- South America's top club trophy - by defeating Argentina's Lanus in the final.
Media reports in Argentina and Brazil have said that River Plate are negotiating to bring the 33-year-old to Buenos Aires in January.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.
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