The Miami Dolphins have requested a delay for suspended guard Richie Incognito's non-football injury grievance against the team while the franchise cooperates with an independent investigation of the alleged violations that led to his suspension, according to sources. Incognito's expedited hearing is set for Thursday. Sources say his complaint alleges that the Dolphins have yet to provide specific examples of the detrimental conduct cited when he was suspended indefinitely Nov. 3. Sources did say the team acknowledged in a notification letter that Incognito's suspension could not exceed the maximum of four weeks plus one additional game check under the collective bargaining agreement. A Miami spokesman did not comment on the team's request to delay Incognito's hearing while the Dolphins work with independent investigator Ted Wells, whose probe moved into their facility Monday. Incognito was granted an expedited hearing before a neutral arbitrator when he filed a non-football injury grievance late last week. The suspended Dolphins guard will be represented by outside counsel, Mark Schamel, but the NFL Players Association also will have a presence at the hearing. Incognito is seeking reinstatement to the active roster and recovery of lost wages that could reach a maximum of $1,176,470.59 under terms of the maximum team penalty. The Dolphins have until Dec. 2 to restore Incognito to their active roster or waive him unless there is a decision rendered that accelerates that deadline.