Melvin Gordon's holdout for a new contract from the Los Angeles Chargers is expected to be prolonged and could last into the season, according to sources.

The two sides have exchanged figures in recent days without significant progress.

Gordon is in the final year of a rookie contract that is scheduled to pay him $5.6 million. The running back told the Chargers through his representation that if he does not receive a new deal, he'll sit out and demand a trade.

Melvin Gordon has told the Los Angeles Chargers that he will not report to training camp Wednesday when the rest of the team reports, according to a source.

Gordon wants a new contract. He's scheduled to make $5.6 million this season.

The two sides aren't believed to be close to a new agreement.

Melvin Gordon says his teammates and running backs around the league support him as his contract dispute with the Los Angeles Chargers reaches a week.

"They're all behind me. They all got my back," Gordon said. "They all told me 'You know what -- we don't really speak on contracts -- but you just go and do what's best for your family.' And I'm glad I got that support from them."

The Chargers drafted Gordon, 26, 15th overall in 2015. He is entering the final year of his rookie contract -- a fifth-year option worth $5.6 million.

Agent Fletcher Smith said last week that without a new deal, Gordon will not report to training camp and will demand a trade.

Melvin Gordon will not report to training camp and plans to demand a trade if he doesn't sign a new contract with the Los Angeles Chargers.

Gordon and the Chargers have been unable to make progress in their negotiations this offseason.

Gordon is scheduled to be heading into the last year of his contract, a fifth-year option worth $5.6 million.

Gordon rushed for an average of 5.1 yards per carry and recorded 14 total touchdowns in 2018. He also averaged 114.6 scrimmage yards per game last season.