Why Postecoglou Celtic contract detail is no big deal - 67 Hail Hail

What do Celtic managers Martin O'Neill, Gordon Strachan, Tony Mowbray, Ronny Deila, Neil Lennon and Brendan Rodgers all have in common...?

Why Postecoglou Celtic contract detail is no big deal - 67 Hail Hail
What do Celtic managers Martin O'Neill, Gordon Strachan, Tony Mowbray, Ronny Deila, Neil Lennon and Brendan Rodgers all have in common...?