Richie Incognito filed a grievance Thursday against the Miami Dolphins over his suspension.
The NFL Players Association released a statement late in the afternoon saying the veteran guard filed a non-injury grievance.
''The grievance challenges his suspension for conduct which was alleged to have occurred while he was with the club,'' the union's statement said. ''In the grievance, Incognito requests that the hearing be held on an expedited basis so that he can immediately resume playing for the team.
''The NFL Players Association will continue to protect the rights of all players.''
Incognito was suspended by Miami on Nov. 3 for misconduct related to the treatment of teammate Jonathan Martin, who abruptly left the Dolphins late last month to receive help for emotional issues.
The NFL is investigating whether Incognito harassed or bullied Martin. Incognito has said the conduct was all part of the normal locker room environment.