The Golden State Warriors are trying to keep their core intact.

The Warriors offered forward Harrison Barnes a four-year, $64 million extension, Yahoo Sports/FS1 Insider Adrian Wojnarowski reported Sunday.

Barnes, who was drafted seventh overall by Golden State in 2012, averaged a career-high 10.1 points and 5.5 rebounds last season.

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The defending world champs already locked up reigning NBA MVP Stephen Curry, Klay Thompson and Draymond Green to long-term deals.