text: The Jets have reached an settlement for Robert Saleh, the defensive coordinator of the San Francisco 49ers, to develop into their subsequent head coach, the staff introduced Thursday, and — if all goes nicely — to guide the staff out of a stupor that has left it with no postseason look and because the butt of a operating joke for the previous decade.
  Saleh, 41, who’s of Lebanese descent, is believed to be the primary Muslim Arab American head coach of an N.F.L. staff.