Forget high and mighty principles … Rohl and O’Neill have reminded us that winning is the only thing that matters for managers at the Old Firm

LET’S be clear on one thing. It’s more than just ‘surreal’, as the man himself puts it, to see 73-year-old Martin O’Neill, six years or so out of management and all about his radio and his book tours, back in the Celtic dug-out.

It’s insane, really. It’s such an indictment of the mess the Scottish champions allowed themselves to get into during the dying days of former manager Brendan Rodgers’ collapsing reign that they now find themselves entering an Old Firm cup semi with a…