Warriors reportedly offer Barnes 4-year, $64 million extension

Harrison Barnes (middle) averaged a career high in scoring and rebounding last season.

Ezra Shaw/Getty Images

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 reportedly rejected the offer, which will serve as a starting point for the negotiations between the two sides. The Warriors have until Oct. 31 to sign Barnes to an extension, otherwise he will become a restricted free agent next summer.

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

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