Tommy Martin: Unreasonable disruptor McGuinness pulls off a very modern heist

Jim McGuinness is the living embodiment of George Bernard Shaw’s theory that “all progress depends on the unreasonable man”.

THE MCGUINNESS EFFECT: Donegal manager Jim McGuinness arrives for the Ulster GAA Football Senior Championship quarter-final. Pic: Stephen McCarthy, Sportsfile

In a world hurtling towards machine-learning oblivion, there was something reassuringly throwback about Donegal’s victory over Derry last weekend.

Indeed, if you had asked an AI image-generating tool to show you a Jim McGuinness team from the early 2010s beating a highly fancied opponent in a jaw-dropping championship heist, but with a modern twist, Celtic Park on Saturday night is what you would have been given.