Safety Reshad Jones did not attend the Dolphins offseason conditioning session Monday and is unsure whether he will attend organized team activity practices that begin Tuesday because he is unhappy with his current contract and wants negotiations on an extension to begin, multiple sources told The Miami Herald.

The Dolphins spent much of Monday trying to locate Jones after he failed to show up to the offseason program. Although players sometimes miss sessions and make them up later, Jones’ absence raised eyebrows because he has had near-perfect attendance previously, a team source said.

It turns out Jones stayed away to show his apparent desire to get a contract extension.

Neither Jones nor his agent could be reached for comment, but a source close to Jones said the player would like talks on an extension to begin, and he plans to stay away from the offseason program and perhaps OTA practices until progress is made toward that end.

The source said Jones would rejoin the Dolphins offseason program and OTA sessions if the team begins talking with him about a new deal.

All offseason conditioning and OTA activities are voluntary, and players are not subject to fines for missing them. Players unhappy with their contract often make their displeasure known by staying away from the sessions.

Last year, Dolphins defensive end Cameron Wake stayed away from the offseason program until the Dolphins gave him a five-year deal worth $34.53 million.

Dolphins defensive tackle Randy Starks has skipped most of the offseason conditioning program this year and is also likely to skip the OTAs because he wants a multiyear deal from the team. The Dolphins tagged Starks with a one-year franchise tender worth $8.45 million earlier in the offseason.