Former Dallas Cowboys receiver Michael Irvin is under investigation by the Allen Police Department for alleged misconduct. Per a TMZ report, a spokesperson for the Allen Police Department would not confirm details of the new probe into Irvin but said “It’s very early in the investigation” and “at this point we aren’t prepared to release any classification regarding Mr. Irvin.” Whatever it is, it is news to Irvin and his attorney, Levi McCarthern, who vehemently denied any wrongdoing by the Hall of Fame receiver. “No idea what the specific allegations might be,” McCarthern said in a statement t…