The Miami Dolphins are working on a trade to acquire guard Evan Mathis from the Philadelphia Eagles, The Miami Herald has learned.

The two clubs and agent Drew Rosenhaus are working out the details of a trade today, per The Herald's Adam Beasley.

[UPDATE: The Dolphins are denying The Herald report.]

If true, Mathis would address the team's need for a starter and would likely complete what seems to be the nucleus of Miami's starting offensive line:

LT Branden Albert, LG Billy Turner, C Mike Pouncey, RG Evan Mathis, RT Ja'Wuan James.

If not true, the Dolphins still need a good guard next to James to upgrade the run-blocking, with which James struggled some last season.

The Dolphins must obviously compensate the Eagles for the player. It is believed that can be accomplished with a mid-round selection.

Mathis has two years (2015 and '16) left on his contract but the Dolphins would likely want to extend that and lower his cap numbers.