ALAMEDA, Calif. — Former Oakland Raiders coach Lane Kiffin filed a grievance with the NFL on Wednesday to claim the lost salary he maintains he is still owed by the team.

Kiffin was fired late last month for cause because of what owner Al Davis described as acts of insubordination and lying by his second-year coach.

Kiffin was still owed about $2.6 million from the three-year contract that he signed in January 2007. But Davis has refused to pay, leading to the grievance. Commissioner Roger Goodell will ultimately rule on the grievance, but there was no date for a hearing scheduled.

Davis also refused to pay the remainder of Mike Shanahan's salary when he fired him four games into the 1989 season. Shanahan won a grievance, but Davis has refused to pay him the approximately $300,000 that the Denver coach claims he's owed.

Kiffin's agent Gary Uberstine declined to comment because of the pending litigation. The Raiders had no immediate comment.

Kiffin had a 5-15 record in just over one season with the Raiders, but Davis said his reasons for firing the coach were about his frequent public criticisms of the organization and some of its players even after he had been ordered to stop.

Those critiques reached a peak when Kiffin distanced himself from the defense after a blowout loss in the season opener, saying that was under coordinator Rob Ryan and Davis' control.

Kiffin was replaced by Tom Cable, who has lost two of his three games as interim head coach.