The agent for Odell Beckham Jr. left New York without an extension in place after face-to-face meetings.
A team source told Anderson that agent Zeke Sandhu and the Giants worked diligently to consummate a deal but could not agree on Beckham's market value.
The Giants are valuing Beckham at below Sammy Watkins' $16 million annual average with the Kansas City Chiefs.
On Saturday, Beckham said at a news conference that his contract situation is trending in the right direction.
"Optimistic? Yeah. I'm optimistic," Beckham said. "I'm confident it will all work itself out. It always does."