Still working to gain his release from the Dolphins -- and hopefully in time to join another team before the beginning of training camps -- frustrated quarterback Daunte Culpepper will make his case for freedom at a Friday grievance hearing. Culpepper, who serves as his own agent, will be represented by NFL Players Association general counsel Richard Berthelsen, a spokesman for the union confirmed to It is not yet known who will represent the Dolphins at the hearing, which will be presided over by arbitrator John Feerick.