Who Should Stay/ Who Should Go

Here is the Steelers coaching staff. Post here, who should stay and who should go and why!
Mike Tomlin, Head Coach
John Mitchell, Assistant Head Coach/Defensive Line
Todd Haley, Offensive Coordinator
Keith Butler, Defensive Coordinator
Danny Smith, Special Teams Coordinator
James Daniel, Tight Ends Coach
Randy Fichtner, Quarterbacks Coach
Carnell Lake, Defensive Backs Coach
Richard Mann, Wide Receivers Coach
Mike Munchak, Offensive Line Coach
Jerry Olsavsky, Inside Linebackers Coach
Joey Porter, Outside Linebackers Coach
James Saxon, Running Backs Coach