Thursday’s practice session will be open to the media.

The Federal Mediation and Conciliation Service announced Thursday that the NFL and the referees’ association had accepted an offer for mediators to participate in their negotiation of a new labor agreement.

A year after recording a career-high 93 catches for 1,115 yards and six touchdowns, Moss in 2011 missed four games with a broken hand, lacked his usual effectiveness when he returned midway through the season and never got back on track. He ended the year with only 46 catches for 585 yards and four touchdowns -- his lowest output in nine seasons.

Vincent spent the bulk of his 15-year career with the Philadelphia Eagles, while Thrash spent nine of his 12 seasons with the Redskins. The two spent the 2003 season as teammates in Philadelphia, and now they are teaming up to provide guidance for former NFL players who want to establish themselves as coaches.

But Garcon sidestepped the issue this week when he was asked whether he feels pressure to produce like a No. 1 receiver.

Arbitrator Stephen Burbank ruled that the NFL and its players union had properly amended their collective bargaining agreement and the two teams could not challenge the decision.

The 37-year-old Fletcher, the inside linebacker who is both captain of Washington’s defense and the most respected player in the locker room, became a free agent this spring. After a lengthy negotiation, he signed a new contract on April 16.

One of those proposals would enable a player to return from the injured reserve list under some circumstances to play during the same season.